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31	Kinetics of alkaline delignification of black spruce wood Rivers, J. A. (John Abbot) January 1982 (has links) No description available. Sulfate pulping process. Black spruce.
32	Kinetic and equilibrium analysis of metal ion adsorption onto bleached and unbleached kraft pulps Yantasee, Wassana 01 May 2001 (has links) Most metal ions have negative impacts on pulp mill operations. The concentrations of metal ions on pulp fibers and in washwaters rise significantly with increased wastewater recycling. The development of technology to remove these metal ions requires an understanding of how metal ions are bound to pulp components. It is also desirable to predict distribution of metal ions between the pulp fibers and the washwaters. The adsorption isotherms for eight metal ions (Ca, Ba, Mn, Zn, Pb, Cd, Ni, Na) were measured on bleached and unbleached (brownstock) kraft pulps at neutral pH and temperatures ranging from 25 to 75��C. On bleached pulps, the metal ion adsorption increased rapidly with increasing metal ion concentration in solution and then leveled off. At neutral pH, the adsorption on bleached pulp was stoichiometric to the carboxylate sites, whereas the adsorption on unbleached pulp was not, especially at high metal ion concentration in solution and low temperature. The pH isotherms specify the adsorption isotherms of sodium and calcium on wood pulps as pH ranging from 2.5 to 11.0. The pH isotherms on bleached pulp with only COOH functional groups (pK[subscript a] of 3.77) were saturated at pH 4 and above, whereas those on brownstock pulp with both COOH and PhOH (pK[subscript a] of 10) functional groups increased in two steps, at pH 4 and 8. The brownstock pulp is heterogeneous material. Therefore, only the empirical Freundlich model was applied to the data. To predict the metal ion adsorption on bleached pulps, two fundamental equilibrium models were developed: the multi-component ion exchange and the Donnan equilibrium models. The ion-exchange model better predicts the metal adsorption at neutral pH, whereas the Donnan equilibrium model more accurately predicts the pH isotherms. The adsorption kinetics of Ba�� and Ni�� were measured on wood pulps as a function of mixing speed, initial metal ion concentration, and temperature. The adsorption of metal ions reached equilibrium rapidly. The intraparticle diffusion model, based on first principle with a linear relationship assumption between adsorbed and free metal ion concentration, satisfactorily predicted the adsorption kinetics at low metal ion concentration in solution. / Graduation date: 2001 Sulphate pulping process Metal ions -- Absorption and adsorption
33	Nucleation in bulk solutions and crystal growth on heat-transfer surfaces during evaporative crystallization of salts composed of NaCO and NaSO Euhus, Daniel D. 01 December 2003 (has links) No description available. Double salts Evaporators Sulphate pulping process
34	The effect of elevated temperatures on the neutral sulfite pulping process Walters, Wally Z. 01 January 1959 (has links) No description available. Sulfite pulping process Neutral sulfite pulping
35	A dynamic model of kraft-anthraquinone pulping Burazin, Mark Alan 01 January 1986 (has links) No description available. Sulphate pulping process Kraft pulping Mathematical models
36	Pulp pretreatments for improved selectivity and extended oxygen delignification / Dang, Zheng, January 2002 (has links) Thesis (M.S.) in Chemical Engineering--University of Maine, 2002. / Includes vita. Includes bibliographical references (leaves 80-83).
37	Nucleation in bulk solutions and crystal growth on heat-transfer surfaces during evaporative crystallization of salts composed of Na₂CO₃ and Na₂SO₄ Euhus, Daniel D., January 2003 (has links) (PDF) Thesis (Ph. D.)--School of Chemical Engineering, Georgia Institute of Technology, 2004. Directed by W. James Frederick, Jr. / Vita. Includes bibliographical references (leaves 191-196).
38	Effect of kraft pulping on oxygen delignification / Zou, Haixuan, January 2002 (has links) Thesis (Ph. D.) in Chemical Engineering--University of Maine, 2002. / Includes vita. Includes bibliographical references (leaves 166-171).
39	Experiments and modeling of pulp mat formation / Wang, Jinsong. Hrymak, A. N. January 1900 (has links) Thesis (Ph.D.)--McMaster University, 2002. / Advisor: A. Hrymak. Also available via World Wide Web.
40	Experiments and modeling of pulp mat formation / Wang, Jinsong. Hrymak, A. N. January 1900 (has links) Thesis (Ph.D.)--McMaster University, 2002. / Advisor: A. Hrymak. Also available via World Wide Web.

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