Dr.
Jack McKenzie Limerick 
Pulp
and Paper Research and Education Centre
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Dr.
Jack McKenzie Limerick |
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Yonghao Ni Huining Xiao Kecheng Li Dr. Yonghao Ni Awards 2010 Canadian Academy of Engineering, Elected Fellow Articles Published or Accepted for Publication in Refereed Journals: 2011 218).A. Saeed, S. Jahan, H. Li, Z. Liu, Y. Ni and A.R.P. van Heiningen, Mass balances of hemicelluloses and other components in the pre-hydrolysis kraft-based dissolving pulp production process, Biomass Bioenergy, In press 217).M. Wekesa and Y. Ni, Decreasing the peroxide decomposition in the magnesia slurry, Canadian Journal of Chemical Engineering, 89(4), Special Issue, 864-868 (2011) 216).T. Liu, H. Hu, Z. He, et al., “Treatment of poplar alkaline peroxide mechanical pulping (APMP) effluent with Aspergillus niger”, Bioresource Technology, 102(15):7361-7365 (2011) 215).P. Fatehi, R. Singh, Z. Ziaee, H. Xiao and Y. Ni, Preparation and characterization of cationic poly vinyl alcohol, European Polym. J., 47, 997-1004 (2011) 214).J. Shen, Z.Q. Song, Qian, X.R., et al., Carbohydrate-based fillers and pigments for papermaking: A review, Carbohydrate Polymers, 85(1):17-22 (2011) 213).H. Shi, P. Fatehi, H. Xiao and Y. Ni, A combined acidification/PEO flocculation process to improve the lignin removal from the pre-hydrolysis liquor of kraft-based dissolving pulp production process, Bioresource Technology, 102(8):5177-5182 (2011) 212).Z. Liu, Y. Ni, P. Fatehi and A. Saeed, Isolation and cationization of hemicelluloses from pre-hydrolysis liquor of the kraft-based dissolving pulp production process, Biomass & Bioenergy, 35(5):1789-1796 (2011) 211).Z. Liu, P. Fatehi, M.S. Jahan and Y. Ni, Separation of lignocellulosic materials by combined processes of pre-hydrolysis and ethanol extraction, Bioresource Technology, 102(2):1264-1269 (2011) 210).J. Shen, Z. Song, X. Qian and Y. Ni, A review on use of fillers in cellulosic paper for functional applications, Industrial and Engineering Chemistry Research, 50(2):661-666 (2011) 209).H. Zhang, Z. He and Y. Ni, Improvement of high-yield pulp properties by using a small amount of bleached wheat straw pulp, Bioresource Technology, 102(3):2829-2833 (2011) 208).H. Zhang, Z. Yuan and Y. Ni, Energy saving potential of high-yield pulp (HYP) application by addition of small amounts of bleached wheat straw pulp, Holzforschung, 65(1):29-34 (2011) 207).Q. Xu, M. Qin, Y. Ni, M. Defo, B. Dalpke and G. Sherson, Predictions of wood density and module of elasticity of balsam fir (Abies balsamea) and black spruce (Picea mariana) from near infrared spectral analyses, Can. J. For. Res., 41(2):352-358 (2011) 206).J. Shen, Z. Song, X. Qian and Y. Ni, A review on use of fillers in cellulosic paper for functional applications, Industrial & Engineering Chemistry Research, 50(2):661-666 (2011) 205).C. Si, P. Qin, Y. Lu, L. Wu, H. Wang, L. Hui, Z. Liu and Y. Ni, GC-MS Analysis of chemical composition and free radical scavenging activity of Elaeagnus angustifolia bark, Advanced Materials Research, 183-185:854-858 (2011) 204).Z. Dai, Y. Ni, G. Court and Z. Li, Mitigating pitch-related deposits at a thermomechanical pulp-based specialty paper mill, Tappi J., 10(3):51-56 (2011) 203).C. Si, Y. Lu, Y. Zhang, J. Xu, P. Qin, R. Sun and Y. Ni, Antioxidative low molecular weight extractives from triploid populous tomentosa xylem, Bioresources, 6(1):232-242 (2011) 202).T.Z. Liu, Z.B. He, H.R., Hu, et al. Treatment of APMP pulping effluent based on aerobic fermentation with Aspergillus niger and post-coagulation/flocculation, Bioresource Technology, 102(7):4712-4717 (2011) 201).M.S. Jahan, A. Saeed, Z.B. He, et al. Jute as raw material for the preparation of microcrystalline cellulose, Cellulose, 18(2):451-459 (2011) 200).H. Wang, Y. Ni, M.S. Jahan, Z. Liu and T. Schafer, Stability of cross-linked acetic acid lignin-containing polyurethane, J. Thermal Analysis and Calorimetry, 103(1):293-302 (2011) 199).M. Wekesa and Y. Ni, Use of zeolites in stabilizing alkaline peroxide solutions and their application in the bleaching of a TMP pulp, Canadian J. Chemical Engineering, 89(1):126-131 (2011) 2010 198).Z. He, Y. Ni and Y. Zhou, Presence of hardwood chips and its impact on pulp strength properties in the production of bleached softwood kraft pulp, Bioresources, 5(4):2625-2639 (2010) 197).Y. Gao, Y. Ni, F. Zhang and M. Qin, Sustainable development of pulp and paper industry - Combining with forest products biomass biorefinery, Chemistry and Industry of Forest Products, 30(2):113-120 (2010) 196).H. Zhang, H. Hu, Q. Hou and Y. Ni, Effect of fines from high-yield pulp on filler retention and paper formation in fine paper production, J. of Biobased Materials and Bioenergy, 4(4): 372-377 (2010) 195).H. Zhang, L. Hui and Y. Ni, Adsorption behaviors of optical brightening agents and precipitated calcium carbonate onto pulp fibers, Industrial Engineering Chemistry Research, 49(19):9407-9412 (2010) 194).Z. Dai and Y. Ni, Thermal stability of metal-pitch deposits from a spruce thermomechanical pulp by use of a differential scanning calorimeter, Bioresources, 5(3):1923-1935 (2010) 193).Z. He, H. Zhang, Q. Chen, Z. Li and Y. Ni, Comparison of peroxide bleaching and the combined peroxide/OBA brightening of an Aspen CTMP: Pulp properties and effluent characteristics, J. Pulp and Paper Science, 36(1):49-54 (2010) 192).Q. Chen, H. Zhang, Z. Li, Z. He and Y. Ni, Effect of an optical brightening agent on the optical properties of Aspen, Birch and Maple high-yield pulps, J. Pulp and Paper Science, 36(1):35-41 (2010) 191).H. Zhang, H. Hu, Z. He and Y. Ni, New advances on the brightening efficiency of optical brightening agent (OBA) in HYP-containing papers, China Pulp and Paper, 29(6):62-67 (2010) 190).P. Fatehi, T. McArthur, H. Xiao and Y. Ni, Improving the strength of old corrugated carton pulp (OCC) using a dry strength additive, Appita J., 63(5):364-369 (2010) 189).P. Fatehi, K. Outhouse, H. Xiao and Y. Ni, Debonding performance of various cationic surfactants on networks made of bleached kraft fibers, Industrial Engineering Chemistry Research J., 49(22):11402-11407 (2010) 188).H. Liu, S. Yang and Y. Ni, Effect of pulp fines on the dye-fiber interactions during the color-shading process, Industrial Engineering Chemistry Research J., 49(18):8544-8549 (2010) 187).X. Liu, P. Fatehi and Y. Ni, Using cationic polyvinyl alcohol (C-PVA) to improve the strength of wood-free papers containing high-yield pulp (HYP), Holzforschung, 64(5):563-569 (2010) 186).H. Zhang, H. Hu, Z. He, Y. Ni and Y. Zhou, Application of optical brightening agent to improve the optical properties of high-yield pulp, China Pulp and Paper, 29(9):1-6 (2010) 185).P. Fatehi, X. Liu, Y. Ni and H. Xiao, Interaction of cationic modified poly vinyl alcohol with high-yield pulp, Cellulose, 17:1021-1031 (2010) 184).S. Ghasemi, R.B. Eshkiki, P. Fatehi and Y. Ni, Impact of acid washing and chelation on Mg(OH)2-based hydrogen peroxide bleaching of mixed hardwoods CMP at a high consistency, Bioresources, 5(4):2258-2267 (2010) 183).Y. Ni and Z. He, Review: Using magnesium hydroxide as the alkali source for peroxide bleaching of mechanical pulps - Process chemistry and industrial implementation, Nordic Pulp and Paper Research J., 25(2):170-177 (2010) 182).Z. He, L. Hui, Z. Liu, Y. Ni and Y. Zhou, Impact of high-yield pulp substitution on the brightness stability of uncoated wood-free paper, Tappi J., 9(3):15-20 (2010) 181).H. Liu, S. Yang and Y. Ni, Comparison of dye behavior from aspen HYP: Dyes added in the HYP manufacturing process versus dyes added at the papermaking wet end, J. Wood Chemistry and Technology, 30(2):118-128 (2010) 180).P. Fatehi, S. Arabshahi, Z. Ziaee, R. Malinen and Y. Ni, Simulating the impact of kraft pulping and bleaching parameters on Eucalyptus camaldulensis pulp properties using MATLAB, Can. J. of Chem. Eng., 88:455-461 (2010) 179).M.S. Jahan, Y. Ni and Z. He, Using precipitated calcium carbonate (PCC) as an alkali source in D1 and D2 brightening of a hardwood kraft pulp, Appita J., 63(2):126-130 (2010) 178).H. Li, A. Saeed, M.S. Jahan, Y. Ni and A.R.P. van Heiningen, Hemicellulose removal from hardwood chips in the pre-hydrolysis step of the kraft-based dissolving pulp production process, J. Wood Chemistry and Technology, 30(1):48-60 (2010) 177).R. Housseinpour, P. Fatehi, A.J. Latibari, Y. Ni and S.J. Sepiddehdam, Canola straw chemimechanical pulping for pulp and paper production, Bioresource Technology, 101:4193-4197 (2010) 176).M.S. Jahan, D.A.N. Chowdhury and Y. Ni, Effect of different locations on the morphological, chemical, pulping and papermaking properties of Trema orientalis (Nalita), Bioresource Technology, 101:1892-1898 (2010) 175).M.S. Jahan, Y. Ni and Z. He, Chlorine dioxide bleaching of soda-anthraquinone jute pulp to a very high brightness, Bioresources, 5(2):870-880 (2010) 174).P. Fatehi, R. Kititerakun, Y. Ni and H. Xiao, Synergy of CMC and modified chitosan on strength properties of cellulosic fiber network, Carbohydrate Polymer, 80:208-214 (2010) 2009 173).Z. He and Y. Ni, Improving chlorine dioxide bleaching of a softwood kraft pulp by using magnesium hydroxide for pH control, J. Pulp and Paper Science, 35(3-4):94-99 (2009) 172).M.S. Jahan, A. Saeed, Y. Ni and Z. He, Pre-extraction and its impact on the alkaline pulping of bagasse, J. Biobased Materials and Bioenergy, 3(4):380-385 (2009) 171).P. Fatehi, A. Tutus, H. Xiao and Y. Ni, Influence of soda-air-AQ pulping of straw on silica precipitation, paper strength and performance of CPVA as a dry strength additive, Industrial and Engineering Chemistry Research, 48:10190-10195 (2009) 170).F. Kong and Y. Ni, Determination of Cr(VI) concentration in diluted samples based on the Paper Test Strip Method, Water Science and Technology, 60(12):3083-3089 (2009) 169).F. Kong and Y. Ni, Development of cellulosic paper-based test strips for Cr(VI) determination, Bioresources, 4(3):1088-1097 (2009) 168).L. Hui, Z. Liu and Y. Ni, Characterization of high-yield pulp (HYP) by the solute exclusion technique, Bioresource Technology, 100:6630-6634 (2009) 167).P. Fatehi, R.O. Malinen and Y. Ni, Bleachability of pulps produced from different kraft pulping methods: A laboratory study, Pulp and Paper Canada, 110(8):33-38 (2009) 166).H. Zhang, Z. He, Y. Ni, H. Hu and Y. Zhou, Using optical brightening agents (OBA) for improving the optical properties of HYP-containing paper sheets, Pulp and Paper Canada, 110(8):20-24 (2009) 165).R. Zhang, Y. Ni, D. Wong, et al. Interactions of optical brightening agents with high yield pulps, J. Wood Chemistry and Technology, 29(4):358-370 (2009) 164).H. Zhang, H. Hu, Z. He and Y. Ni, Highly substituted cationic starch as an anionic trash catcher for high-yield pulp, Tappi J., 8(7):31-36 (2009) 163). S. Ates, Y. Ni and C. Atik, Effects of the endoxylanase treatment on fiber characteristics brightness stability and strength properties of bleached wheat straw pulp, Cellulose Chemistry and Technology, 43(1-3):17-23 (2009) 162). H. Liu, S. Yang and Y. Ni, Dyes Stability in the Presence of Hydrogen Peroxide and Its Implication for Usng Dyes in the HYP Manufacturing Process, J. Wood Chemistry & Technology, 29(1), 1-10 (2009) 161). P. Fatehi, R. O. Malinen and Y. Ni, Comparison in bleachability of pulps produced from different kraft pulping methods: A laboratory study, Pulp Paper Canada, In press 160). H. Zhang, Z. He, Y. Ni, H. Hu and Y. Zhou, Using optical brightening agents for improving the optical properties of HYP-containing paper sheets, Pulp and Paper Canada, In press. 159). Z. He, H. Zhang, Y. Ni and Y. Zhou, Adding OBA to HYP and the pulp mill, Pulp Paper Canada, In press 158). P. Fatehi, S. Ates, J.E. Ward, Y. Ni and H. Xiao, Impact of cationic poly(vinyl alcohol) on properties of papers made of bleached or unbleached pulp, Appita J., In press 157). F. Kong, Y. Ni and Z. He, A partial magnesium hydroxide substitution for sodium hydroxide in peroxide bleaching of an aspen CTMP, J. Wood Chemistry Technol., In press 156). P. Fatehi, S. Ates, Y. Ni, Fungal pretreatment of wheat straw and its effect on soda-AQ pulps, Nordic Pulp and Paper Research J., In press 155). R. Zhang, Y. Ni, D. Wong, et al. Interactions of optical brightening agents with high yield pulps, J. Wood Chemistry Technol., In press 154). S. Ates, Y. Ni and C. Atik, Effect
of the endoxylanase treatment on fiber characteristics brightness stability
and strength properties of bleached wheat straw pulp, Cellulose Chemistry
and Technology, 43(3/4), 2009 2008 153). Q. Xu and Y. Ni, Silviscan: State-of-the-art instrument for measuring wood/fiber properties, China Pulp and Paper, In press 152). H. Zhang, H. Hu, Z. He and Y. Ni, Highly substituted cationic starch as an anionic trash catcher for high-yield pulp containing furnish, Tappi J., In press 151). S. Ates, Y. Ni, C. Atik, et al., Pretreatment by Ceriporiopsis subvesmispora and Phlebia subserialis of wheat straw and its impact on subsequent soda-AQ and kraft-AQ pulping, Romanian Biotechnological Letters, 13(5), 3914-3921 (2008) 150). S. Ates, Y. Ni, M. Akgul, et al., Characterization and evaluation of Paulownia elongota as a raw material for paper production, African Journal of Biotechnology, 7(22), 4153-4158 (2008) 149). Z. He and Y. Ni, Peroxide bleaching of eucalyptus CTMP using magnesium hydroxide as the alkali source, Appita J., 61(6), 450-455 (2008) 148). S. Ates, C. Atik, Y. Ni and E. Gumuskaya, Comparison of different chemical pulps from wheat straw and bleaching with xylanase pre-treated ECF method, Turkish J. Agriculture and Forestry, 32(9), 561-570 (2008) 147). C. Mao and Y. Ni, Effect of metal ion contamination in the process water on the brightness of peroxide- and hydrosulfite-bleached mechanical pulps, J. Pulp Paper Science, 34(2), 129-133 (2008) 146). Z. He, Y. Yang and Y. Ni, Comparison of oxalate formation in peroxide bleaching of softwood and hardwood mechanical pulps, JPPS, In press 145). C. Mao and Y. Ni, Biorefinery - a new revolution in green energy, China Pulp and Paper, 27(27), 99-107 (2008) 144). H. Liu, S. Yang and Y. Ni, Dyes in the Pulp and Paper Industry, Dyestuffs and Coloration, 50(2), 9-16 (2008) 143). H. Zhang, Z. He, Y. Ni, H. Hu and Y. Zhou, Modelling of the pulp brightness on the performance of optical brightening agent for high yield pulps, JPPS, In press 142). V. Jain and Y. Ni, Characterization of poly(methyl acrylate) grafted sulfite pulp fibres, J. Wood Chemistry and Technology, 28(1), 26-36 (2008) 141). Y. Bian, Y. Ni, Z. Yuan, C. Heitner and S. Beaulieu, Improving TMP rejects refining through alkaline peroxide pretreatment: An opportunity for SCA paper, Pulp and Paper Canada, 109(1)23-20 (2008) 140). H. Wang, Z. He and Y. Ni, A kinetic model of the magnesium hydroxide-based peroxide bleaching process of a TMP, J. Wood Chemistry and Technology, 28(1), 55-65 (2008) 139). V. Jain and Y. Ni, Alkaline hydrolysis of methyl acrylate grafted cellulose fibers, J. of Applied Polymer Science, 107, 3885-3890 (2008) 138). H. Liu, S. Yang, Y. Ni, Applying dyes to HYP-containing paper grades, Appita J., 61(2):128-140 (2008) 2007 137). H. Zhang, H. Hu, Z. He, Y. Ni and Y. Zhou, Retention of optical brightening agents (OBA) and their brightening efficiency on HYP-containing paper sheets, J. Wood Chemistry and Technology, 27(4):153-168 (2007) 136). H. Liu, S. Yang and Y. Ni, Using dyes for improving optical properties of high yield pulps, Pulp and Paper Canada, 108(10):25-29 (2007) 135). H. Zhang, H. Hu and Y. Ni, DCS related issues from HYP and their effect on PCC retention, China Pulp and Paper, 26(10):1-5 (2007) 134). V. Jain, H. Xiao and Y. Ni, Grafting of Poly (Methyl Acrylate) onto Sulfite Pulp Fibers and Its Effect on Water Absorbance, J. of Applied Polymer Science, 105(6):3195-3203, (2007) 133). H. Zhang, Z. He, Y. Ni, H. Hu and Y. Zhou, Characteristics of dissolved and colloidal substances in high yield pulp and its impact on filler retention, Appita J., 60(5):390-395 (2007) 132). Z. He, Y. Ni and Y. Zhou, Characteristics of high yield pulp and their effects on the wet-end chemistry of the papermaking process, International Papermaking, 26(3):10-24 (2007) 131). Y. Ni, Z. He and Y. Zhou, Alkaline peroxide bleaching and the properties of high yield pulp, International Papermaking, 26(3):25-33 (2007) 130). K. Hu, Y. Ni and X. Zou, Substitution of hardwood bleached kraft pulp with Aspen high-yield pulp in lightweight coated wood-free papers. Part II. Impact on coated paper quality, Tappi J., 6(1):26-32 (2007) 129). G.J. Kang and Y. Ni, The formation of peracetic acid and its impact on peroxide bleaching of mechanical pulps, Appita J., 60(1):70-73 (2007) 128). L. Yu and Y. Ni, Partition of soluble and precipitated oxalate and its implication on decreasing oxalate-related scaling during peroxide bleaching of mechanical pulps, Pulp and Paper Canada, 108(1):39-43 (2007) 127). Y. Bian, Y. Ni, Z. Yuan, S. Beaulieu and C. Heitner, Improving rejects refining through alkaline peroxide pre-treatment for value-added mechanical papers. Part I. The effect of alkaline peroxide pre-treatment on TMP rejects properties, Tappi J., 6(3):24-32 (2007) 2006 126). L. Zheng, H. Xiao and Y. Ni, Preparation of cationic sulfite pulp and its effect on strength properties and filler retention, JPPS, 32 (3), 145-149 (2006) 125). Y. Ni and Z. He, Application of hydrogen peroxide in the pulp and paper industry, China Pulp and Paper, 24 (supplement), 56-64 (2006) 124). X. Li, Y. Ni, E. Xu, X. Zou and Z. Yuan, Comparison of aspen P-RC APMP, maple and aspen BCTMP for the middle-ply of 3-ply paperboard, China Pulp and Paper 24 (supplement), 39-45 (2006) 123). Z. He, Y. Ni and X. Qian, The tensile strength of the bleached mechanical pulps from the Mg(OH)2-based and NaOH-based peroxide bleaching process, J. Pulp Paper Science, 32(1):47-52 (2006) 122). K. Hu, Y. Ni and X. Zou, Substitution of hardwood bleached kraft pulp with Aspen high-yield pulp in lightweight coated wood-free papers. Part II. Impact on coated paper quality, Accepted for publication in JPPS. 121). G.J. Kang and Y. Ni, The formation of peracetic acid and its impact on peroxide bleaching of mechanical pulps, accepted for publication in Appita 120). Z. He, Y. Ni and X. Qian, The tensile strength of the bleached mechanical pulps from the Mg(OH)2-based and NaOH-based peroxide bleaching process, J. Pulp Paper Science, 32(1):47-52 (2006) 119). K. Hu, Y. Ni, X. Zou and Y. Zhou, Substitution of hardwood kraft with aspen high-yield pulp in lightweight coated wood-free paper. I: Synergy on basestock properties, Tappi J., 5(3):21-26 (2006) 118). L. Huang, H. Xiao and Y. Ni, Cationic -modified microporous zeolites/anionic polymer system for enhancing the removal of DCS, Separation and Purification Technology, 49(4): 264-270 (2006) 117). B. Huang, G.J. Kang and Y. Ni, Preparation of conductive paper by in-situ polymerization of pyrrole in a pulp fibre system, Pulp and Paper Canada, 107(2):38-42 (2006) 116). Z. He, M. Wekesa and Y. Ni, Comparison of anionic trash formation and its impact on filler retention from the Mg(OH)2-based and NaOH-based peroxide bleaching processes, Pulp and Paper Canada, 107(3):29-32 (2006) 115). L. Yu and Y. Ni, A laboratory study on decreasing calcium oxalate related scaling by partial substitution of Mg(OH)2 for NaOH during peroxide bleaching of mechanical pulps, Tappi J., 5(2):9-12 (2006) 114). J. Zhang, L. Yu, Y. Ni, Y. Zhou and D. Joliette, Calcium oxalate related scaling in a BCTMP line, Pulp and Paper Canada, 107(1):52-55 (2006) 113). S. Yang, L. Lu and Y. Ni, Cloned poplar as a new fiber resource for the Chinese Pulp and Paper Industry, Pulp and Paper Canada, 107(2):34-37 (2006) 2005 112). B. Huang, G.J. Kang and Y. Ni, Electrically conductive fiber composites prepared from polypyrrole-engineered pulp fibers, Canadian J. of Chemical Engineering, 83(5):896 (2005) 111). Y. Ni, A review of recent technological advances in the brightening of high-yield pulps, Canadian Journal of Chemical Engineering, 83(4):609 (2005) 110). Z. Li, G. Court, R. Belliveau, M. Crowell and R. Murphy, A Gibson, M. Wajer, B. Branch and Y. Ni, Using magnesium hydroxide (Mg(OH)2) as the alkali source in peroxide bleaching at Irving Paper, Pulp Paper Canada, 106(6):24 (2005) 109). Z Liu, Y. Ni, Z. Li and G. Court, Peroxide bleaching of low-freeness pulp, Pulp and Paper Canada, 106(3):34 (2005) 108). L. Yu and Y. Ni, Oxalate formation during peroxide bleaching of mechanical pulps, Appita, 58(2):138 (2005) 107). Z. He, Y. Ni and E. Zhang, Further understanding on the PR process for bleaching of mechanical pulps, Appita, 58(1):72 (2005) 106). A. Mehta, M. Sain, Y. Ni and D. Morneau, Effect of bioenzyme on deinking mill effluent treatment by dissolved air flotation, Solutions, 87(10):52 (2004) 105). L. Huang, H. Xiao and Y. Ni, Cationic MCM-41: Synthesis, characterization and sorption behaviour towards aromatic compounds, Colloids and Surface A., Physicochem. Eng. Aspects 247:129 (2004) 104). L. Yu, M. Rae and Y. Ni, Formation of oxalate from the Mg(OH)2-based peroxide bleaching of mechanical pulps, J. Wood Chemistry and Technology, 24(4):341 (2004) 103). Z. He, M. Wekesa and Y. Ni, Pulp properties and effluent characteristics for the Mg(OH)2-based peroxide bleaching process, Tappi J., 3(12):27 (2004) 102). K. Hu, Y. Ni and X. Zou, Substitution of BCTMP for hardwood kraft pulp in fine paper and its effect on AKS sizing, Tappi J., 3(8):13 (2004) 101). Z. He, Y. Ni and E. Zhang, Further understanding of anionic trash formation during peroxide bleaching of mechanical pulp, J. Wood Chemistry and Technology, 24(2):153 (2004) 100). S. Wang, Z. Li, Y. Ni and E. Zhang, Sodium borohydride assisted peroxide process, Appita J., 57(5):377 (2004) 99). W. Liu, Y. Ni and H. Xiao, Intercalation of polyaminoamide-epichlorohydrin into montmorillonite: Methods, characterization and adsorption of dispersed rosin acid, J. Colloid and Interface Sci., 275(2):584 (2004) 98). K. Hu, Y. Ni, X. Zou and Y. Zhou, Impact of applying BCTMP to wood-free LWC on its performance, Journal of Tianjin University of Science and Technology, 19:23 (2004) 96). S. Yang, Y. Zhao, B. Wen and Y. Ni, The effect of transition metal ions - manganese on peroxide bleaching, 19:173 (2004) 95). A. Mehta, M. Sain, Y. Ni and D. Morneau, Chemical additive optimization program: Short-cycle clarification of de-inking mill alkaline-water loop, Pulp Paper Canada, 105(3):43 (2004) 94). Z. He, Y. Ni and E. Zhang, Alkaline darkening and its relationship to peroxide bleaching of spruce TMP, J. Wood Chem. and Technology, 24(1):1 (2004) 93). C. Drost, Y. Ni and D. Shewchuk, Effect of increased jack pine content on kraft pulp properties, Tappi J., 3(1):23 (2004) 92). G.J. Kang, A. Malekian and Y. Ni, Formation of peracetic acid from hydrogen peroxide and pentaacetyl glucose to activate oxygen delignification, Tappi J., 3(1):19 (2004) 91). Z. He, Y. Ni and E. Zhang, Comparison of oxalate formation from conventional peroxide bleaching versus the PM process, J. Pulp and Paper Science, 29(12):391 (2003) 90). M. Wekesa and Y. Ni, Stabilization of peroxide systems by silicate and calcium carbonate and its application to bleaching of recycled fibers, Pulp Paper Canada, 104(12):85 (2003) 89). C. Drost, Y. Ni and D. Shewchuk, Effect of mature and juvenile wood from five wood species on kraft pulp strength, Pulp Paper Canada, 104(11):33 (2003) 88). Y. Ni, ClO2 manufacturing processes, Transaction of Shaanxi University of Science and Technology, 21(3):6 (2003) 87). M. Wekesa and Y. Ni, The manganese-induced peroxide decomposition, Canadian J. of Chemical Engineering, 81(5):968 (2003) 86). K. Babineau, Y. Ni and M. Sain, Effect of acid treatment on removal of anionic trash from bleached mechanical pulps, Pulp Paper Canada, 104(7):31 (2003) 85). Y. Ni, Z. Li, G. Court, R. Belliveau and M. Crowell, Improving peroxide bleaching of mechanical pulps by the PM process, Pulp Paper Canada, 104(12):78 (2003) 84). M. Wekesa and Y. Ni, Chemistry of MnO2 induced peroxide decomposition, Tappi J., 2(9):23 (2003) 83). Z. Qiu and Y. Ni, Methods to decrease the manganese-induced peroxide decomposition, Appita J., 56(5):355 (2003) 82). Y. Ni, G. Yin and R.C. Duncan, Addition of H2O2 to a methanol-based ClO2 generator to decrease Cl2 emissions from its stack gas, Pulp Paper Canada, 104(5):62 (2003) 81). W. Liu, Y. Ni and H. Xiao, Preparation of cationic montmorillonite and its synergistic effect of clay flocculation with anionic polymers, J. Pulp Paper Sci., 29(5):145 (2003) 80). H. Li, Y. Ni and M.M. Sain, Further understanding on polyethyleneimine-induced rosin ester sizing, Nordic Pulp and Paper Research Journal, 18(1):5 (2003) 79). Z. Qiu, Y. Ni and S. Yang, Using DTPA to decrease the manganese-induced peroxide decomposition, J. Wood Chemistry and Technology, 23(1):1 (2003)2002 78). K. Doiron, Y.Ni and A.R.P. van Heiningen, Fluorescence removal of recycled fibers by thermal treatment, Progress in Paper Recycling, 12(11):19 (2002) 77). H. Li, Y. Ni and M.M. Sain, Characterization of BCTMP fines and their effect on sizing, Tappi J. 1(7):3 (2002) 76). G.J. Kang, Y. Ni and A.R.P. van Heiningen, Further understanding on the cause of cellulose degradation during ozone bleaching, Indian Pulp and Paper Technical Assn., 14(3):22 (2002) 75). H. Li, Y. Ni and M.M. Sain, The presence of dissolved and colloidal substances in BCTMP and their effect on sizing, JPPS, 28(2):45 (2002)2001 74). S. Krishnan, Y. Ni and A.R.P. van Heiningen, Modelling the manganese removal from mechanical pulps during the displacement chelation process, JPPS, 27(12):113 (2001) 73). Z. Li, Y. Ni and A.R.P. van Heiningen, Removal of manganese from pulp fibers with MgSO4 in a displacement system, Tappi J., 85(12):1 (2001) 72). X. Zhang, Y. Ni and A.R.P. van Heiningen, Effect of temperature on the kinetics of pulp ozonation, JPPS, 27(8):279 (2001) 71). Z. Qiu and Y. Ni, Peroxide treatment under acidic conditions to improve peroxide bleaching of mechanical pulps, Pulp and Paper Canada, 102(7):44 (2001) 70). H. Li and Y. Ni, Sizing behaviour of BCTMP at neutral to alkaline pH, Pulp and Paper Canada, 102(6):45 (2001) 69). Y. Ni, J. Somerville and A.R.P. van Heiningen, Bleaching of recycled fibers by adding sodium borohydride to an oxygen stage, Tappi J., 84(6):67 (2001) 68). C. Peart and Y. Ni, UV-Vis spectra of lignin model compounds in the presence of transition metal ions and chelants, J. Wood Chem. and Technology, 21(2):113 (2001) 2000 67). Y. Ni, Z. Li and J. Broczkowski, Characterization of Mn removal from mechanical pulps by chelating with DTPA in a displacement system, Appita J., 53(5):483 (2000) 66). Z. Li, Y. Ni and A.R.P. van Heiningen, Acid washing and its chelation in a displacement system: A comparative study, JPPS, 26(10):341 (2000) 65). G. Yin and Y. Ni, Mechanism of the ClO2 generation from the H2O2-HClO3 reaction, Can. J. of Chem. Eng., 78(4):827 (2000) 64). W. Yang and Y. Ni, Oxygen formation during peroxide bleaching of a TMP pulp and its relation to bleaching performance, Indian Pulp and Paper Technical Assn., 12(3):1 (2000) 63). Y. Ni, Q. Jiang and Z. Li, The PN2 process to bleach CTMP Maple pulp, Appita J, 53(5):404 (2000) 62). X. Zhang, Y. Ni and A.R.P. van Heiningen, Kinetics of cellulose degradation during ozone bleaching, JPPS, 26(9):335 (2000) 61). G.J. Kang, Y. Ni and A.R.P. van Heiningen, Addition of sodium silicate and chelant to the FAS stage to bleach recycled fibers, Tappi J., 83(7):59 (2000) 60). Y. Ju, H. Ohi and Y. Ni, Improvement of hydrogen peroxide bleaching of kraft pulp by acid treatment, Japan Tappi, 54(4):556 (2000) 59). Y. Ni, Y. Ju and H. Ohi, Further understanding on the manganese induced decomposition of hydrogen peroxide, J. Pulp Paper Sci., 26(3):90 (2000)1999 58). Y. Ni, Z. Li and A.R.P. van Heiningen, Pulse chelation with DTPA, Pulp Paper Canada, 100(12):T382 (1999) 57). Y. Ju, Y. Ni and H. Ohi, Improving peroxide bleaching of chemical pulps by stabilizing manganese, J. Wood Chem. and Technol., 19(4):323 (1999) 56). Y. Ni, G. Court, Z. Li, M. Mosher, M. Tudor & M. Burtt, Improving peroxide bleaching of mechanical pulps by an enhanced chelation process, Pulp Paper Canada, 100(10):51 (1999) 55). G. Yin and Y. Ni, Addition of hydrogen peroxide to a ClO2 stage to reduce the organochlorine formation, Pulp Paper Canada, 100(9):52 (1999) 54). Y. Ni, A. Ng and M. Mosher, The formation of coloured metallic extractive complexes and its effect on the brightness of TMP pulp. Part I. Model compound study, J. Wood Chem. and Techn., 19(3):213 (1999) 53). G. Yin and Y. Ni, Using hydrogen peroxide in a methanol-based chlorine dioxide generation process, Ind. Eng. Chem. Research J., 38(9):3319 (1999) 52). Z. Li, Y. Ni and A.R.P. van Heiningen, Characterization of fiber bed of mechanical fibers, J. Pulp Paper Sci., 25(8):294-298 (1999) 51). Y. Ni and A.R.P. van Heiningen, Improved ozone bleaching by impregnation of chemical pulps with an acidified mixture of 1,4-dioxane and water, Indian Pulp and Paper Technical Association Journal, 11(1):43-49 (1999)1998 50). X. Zhang, Y. Ni and A.R.P. van Heiningen, Prediction of the effect of operating variables on the rates of delignification and cellulose degradation during ozone bleaching, 1998 AIChE Forest Products Symposium Book, 120 49). G. Yin and Y. Ni, Kinetics of the HClO2-HOCl reaction at pH 5, Can. J. of Chem. Eng., 76(5):921 (1998) 48). Y. Ni, Z. Yuan and A.R.P. van Heiningen, An improved peracetic acid bleaching process, Appita J., 51(5):377 (1998) 47). Y. Ni, G.J. Kang, A. Humphrey, R. Thring, A.R.P. van Heiningen and A. Skothos, An improved oxygen delignification for magnesium based sulfite process, Tappi J., 81(10):165 (1998) 46). G. Yin and Y. Ni, The effect of chloride on the HClO2 - HClO (Cl2) reaction in a 4.5 mol/L sulfuric acid solution, Can. J. Chem. Eng., 76(2):248 (1998) 45). Y. Ni and G. Yin, The disproportionation of chlorous acid at a strong acidity, Ind. Eng. Chem. Research, 37(6):2367 (1998) 44). Y. Ni, A. Ghosh, Z. Li, C. Heitner and P. McGarry, Photostabilization of bleached mechanical pulps with DTPA treatment, J. Pulp Paper Sci., 24(8):259 (1998) 43). Y. Ni, Q. Jiang, Z. Li, G. Court and M. Burtt, Improved transition metal removal in a reducing agent-assisted chelation stage: a laboratory study, Pulp Paper Canada, 99(8):77 (1998) 42). T. Ooi and Y. Ni, Development of ozone based TCF sequence for the ALCELL 7 process, Tappi J., 81(5):255 (1998) 41). Z. Yuan, M. d=Entremont, Y. Ni and A.R.P. van Heiningen, The formation of gaseous products and its relation to pulp bleaching during the peracetic acid treatment, J. Wood Chem. and Technol., 18(3):267 (1998) 40). Z. Yuan, Y. Ni and A.R.P. van Heiningen, Peracetic acid and hydrogen peroxide brightening of a softwood kraft pulp delignified by methanol-assisted ozonation, Paperi Ja Puu, 80(4):310 (1998) 39). R. Griffin, Y. Ni and A.R.P. van Heiningen, The development of delignification and lignin-cellulose selectivity during ozone bleaching, J. Pulp and Paper Science, 24(4):111 (1998) 38). Z. Yuan, Y. Ni and A.R.P. van Heiningen, A kinetic model for peracetic acid brightening of an ozone delignified softwood kraft pulp, J. Wood Chem. and Technol., 18(1):83 (1998) 37). Y. Ni and A.R.P. van Heiningen, An ECF sequence for the ALCELL 7 process including the ethanol-assisted ozone bleaching, Tappi J., 81(4):141 (1998) 36). X. Zhang, G.J. Kang, Y. Ni, A.R.P. van Heiningen, A. Mislankar, A. Darabie and D. Reeve, Initial delignification and cellulose degradation of conventional and ethanol assisted ozonation, J. Wood Chemistry and Technol., 18(2):129 (1998) 35). X. Zhang, Y. Ni and A.R.P. van Heiningen, Basic engineering design data for ozone/solvent bleaching of ALCELL 7 derived pulp, Pulp and Paper Canada, 99(1):44 (1998) 34). A. Ghosh and Y. Ni, Lignin complexes and their relationship to the brightness of bleached mechanical pulps, J. Pulp and Paper Science, 24(1):26 (1998)1997 33). Y. Ni and A.R.P. van Heiningen, TCF bleaching for the ALCELL 7 process including oxygen delignification, Pulp Paper Can., 98(11):T419 (1997) 32). Y. Ni, Z. Li and A.R.P. van Heiningen, Minimization of the brightness loss due to metal ions in process water for bleached mechanical pulp, Pulp Paper Can., 98(10):T396 (1997) 31). Z. Yuan, M. d=Entremont, Y. Ni and A.R.P. van Heiningen, The role of transition metal ions during peracetic acid bleaching, Pulp Paper Can., 98(11):T408 (1997) 30). G.J. Kang, Y. Ni and A.R.P. van Heiningen, Polyoxometalates delignification, a study with lignin model compounds, Appita, 50(4):313 (1997) 29). Y. Ni and X. Wang, Mechanism of methanol based chlorine dioxide generation process, J. Pulp and Paper Science, 23(7):J346 (1997) 28). Z. Yuan, Y. Ni and A.R.P. van Heiningen, Kinetics of the peracetic acid hydrolysis, Canadian J. of Chem. Eng., 75(1):42 (1997) 27). Y. Ni, C. Dixon and T. Ooi, Kinetics of hydrogen peroxide bleaching of the ALCELL 7 derived pulp in a TCF sequence including the novel ozone technology, Can. J. of Chem. Eng., 75(1):48 (1997) 26). Z. Yuan, Y. Ni and A.R.P. van Heiningen, Kinetics of the peracetic acid decomposition, Part I. Spontaneous decomposition at typical bleaching conditions, Can. J. of Chem. Eng., 75(1):37 (1997) 25). Z. Li, Y. Ni and A.R.P. van Heiningen, Incorporation of peracetic acid in brightening of mechanical pulps, Pulp Paper Can., 98(5):34 (1997) 24). Y. Ni and X. Wang, Kinetics and mechanism of the reduction of chlorine dioxide with hydrogen peroxide, Can. J. of Chem. Eng., 75(1):31 (1997) 23). Y. Zhang, G. Kang, Y. Ni and A.R.P. van Heiningen, Degradation of carbohydrate model compounds during ozone treatment, J. Pulp and Paper Science, 23(1):J23-J27 (1997) 22). Y. Ni and A.R.P. van Heiningen, The swelling of pulp fibers derived from the ALCELL 7 process, Tappi Journal, 80(1):211-214 (1997)1996 21). Y. Ni, A.R.P. van Heiningen, J. Lora, L. Magdzinski and E.K. Pye, A novel ozone bleaching technology for the ALCELL 7 process, J. Wood Chem. and Technol., 16(4):367-380 (1996) 20). Y. Ni and T. Ooi, Laboratory study on bleaching of softwood kraft pulp by a totally chlorine free process including the novel ozone bleaching, Tappi J, 79(10):167-172 (1996) 19). W. Ren, H. Du, M. Zhang and Y. Ni, Characterization of Chinese kenaf fibers in production of bleached chemical pulp, Indian Pulp and Paper Tech. Assn. Quarterly J., 8(2):1-7 (1996) 18). Z. Li, Y. Ni and A.R.P. van Heiningen, Bleaching of mechanical pulps in a displacement system, Pulp and Paper Canada, 97(9):T292-296 (1996) 17). Y. Ni, G.J. Kang and A.R.P. van Heiningen, Are hydroxyl radicals responsible for carbohydrate degradation during ozone bleaching of chemical pulp?, J. Pulp and Paper Science, 22(2):J53-J57 (1996) 16). Y. Ni and A.R.P. van Heiningen, Lignin removal of ALCELL 7 pulp by washing with an ethanol-water mixture, Tappi J., 79(3):239-243 (1996) 1995 15). G.J. Kang, Y. Zhang, Y. Ni and A.R.P. van Heiningen, Influence of lignins on the degradation of cellulose during ozone bleaching, J. Wood Chemistry and Technology, 15(4):413-430 (1995) 14). Y. Ni and Q. Hu, ALCELL 7 lignin solubility in ethanol-water mixtures, J. of Applied Physical Chemistry, 57:1441 (1995) 13). Y. Ni and A.R.P. van Heiningen, The formation of "floor-level" lignin during chlorination, J. Pulp and Paper Science, 21(8):J288 (1995) 12). Y. Ni and A.R.P. van Heiningen, Why the alkali demand of ClO2 bleached pulp is less than that of Cl2 bleached pulp during caustic extraction, Nordic Pulp and Paper Research Journal, 10(1):57-62 (1995) 11). Y. Ni and A.R.P. van Heiningen, Development of phenolic lignin during ClO2 bleaching of kraft pulp, J. Wood Chemistry and Technology, 15(1):153-162 (1995) 10). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, The kinetics of demethylation during kraft pulp chlorination, J. Pulp and Paper Science, 21(1):J30-J36 (1995) 9). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, The characteristics of pulp demethylation during chlorine dioxide bleaching, J. Wood Science and Technology, 29(1):87-94 (1995) 1994 8). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Reduction of AOX formation by intrastage washing, Tappi Journal, 77(9):139-144 (1994) 7). Y. Ni, X. Shen and A.R.P. van Heiningen, Studies on the reaction of phenolic and non-phenolic lignin model compounds with chlorine dioxide, Journal of Wood Chemistry and Technology, 14(2):243-262 (1994) 6). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Mechanism of formation of chloro-organics during chlorine dioxide prebleaching of kraft pulp, Nordic Pulp and Paper Research Journal, 8(4):350-351, 378 (1993) 5). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Reduction of AOX formation during of ClO2 bleaching, J. Pulp and Paper Science, 20(4):J103-J106 (1994)1993 4). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Mechanism of chlorate formation during ClO2 bleaching, J.Pulp Paper Sci., 19(1):J1-J6 (1993)1992 3). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Rate processes of chlorine species distribution during chlorine dioxide prebleaching of kraft pulp, Nordic Pulp & Paper Research Journal, 7(4):200-204 (1992)1990 2). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, Methanol Number: A fast method to determine lignin content of pulp, J. Pulp Paper Sci., 16(3):J83-J88 (1990) 1). Y. Ni, G.J. Kubes and A.R.P. van Heiningen, A New Mechanism for Pulp Delignification during Chlorination, J. Pulp Paper. Sci., 16(1):J13-J19 (1990)
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