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Catalytic effect of recovery boiler fume compounds on NH₃ oxidation

Creator:: Tangpanyapinit, Vichien
Resource Type:: Masters Thesis
Full Text:: Page 1 INTRODUCTION 1 1.1 Kraft Pulping and Recovery Process 1 1.2 Black Liquor Combustion in

Determination of the optical constants of ash samples from kraft recovery boilers

Creator:: Samretvanich, Artit
Resource Type:: Masters Thesis
Full Text:: fiber during pulping. The recovery of the inorganic cooking chemicals used in the pulping process and

Effect of various compositions of acid upon yield and quality of pulp

Creator:: Forest Products Laboratory (U.S.), Miller, Raymond N., and Swanson, W. H. (Wilbur Harold)
Abstract:: Reprint
Resource Type:: Technical Report
Full Text:: strengthens the opinion as to the importance of a'idering the sulphite pulping process, from on* point of view

Fluidized bed granulator for an autocausticization recovery process of sodium in black liquor : experiment and theory

Creator:: Thulstrup, Niels, 1970-
Abstract:: Production of dry particles made of titanium dioxide powder and black liquor is the first step in a newly proposed black liquor treatment process (Frederick et. al., 1992). This work investigates the granulation processes in a fluidized bed granulator of titanium dioxide and black liquor. Experiments are performed in a...
Resource Type:: Masters Thesis
Full Text:: Pulping Process 2 Conventional Black Liquor Treatment 3 The Tomlinson Boiler 3 Other Black Liquor

Interactions between dissolved wood organic chemicals and nonprocess elements in chemical pulping processes

Creator:: Wilson, Kenneth P.
Abstract:: This work is part of a larger project dealing with nonprocess element (NPE) behaviour in chemical pulping processes. Nonprocess elements are defined as those elements which are not essential to the chemical process, i.e. are neither active pulping chemicals (e.g., NaOH and Na2S in the kraft process), nor compounds present...
Resource Type:: Dissertation

Kinetic and equilibrium analysis of metal ion adsorption onto bleached and unbleached kraft pulps

Creator:: Yantasee, Wassana
Abstract:: 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...
Resource Type:: Dissertation
Full Text:: the pulping and bleaching process [34]. The porosity and pore distribution of wood pulp fibers has

Kraft green liquor pulping of Douglas-fir for corrugating medium

Creator:: Fang, Yi-Pygn
Abstract:: Douglas-fir wood chips from Oregon were pulped with kraft green liquor to produce semi-chemical pulps with properties suitable for the manufacture of corrugating medium. The effects of five cooking variables were studied, chemical charge, chip size, bark content of chips, pulping temperature, and liquor sulfidity. The combinations of levels of...
Resource Type:: Masters Thesis

Kraft pulping of Douglas-fir with soluble anthraquinone

Creator:: Dutta, Tapas
Abstract:: Several additives have been used in research and on an industrial scale to improve the pulp yield and to increase the rate of delignification. One such additive is 1,4- dihydro- 9,10-dihydroxyanthracene (DDA), also called soluble anthraquinone. This chemical is widely used in Japan and some other countries, especially with the...
Resource Type:: Masters Thesis

Parallel simplex algorithms and loop spreading

Creator:: Wu, Youfeng
Abstract:: Parallel solutions for two classes of linear programs are presented. First we parallelized the two-phase revised simplex algorithm and showed that it is possible to get linear improvement in performance. The simplex algorithm is the best known algorithm for solving linear programs, and we claim our result is the best...
Resource Type:: Dissertation
Full Text:: . Parallel Processor Balance Through Loop Spreading 4.1. Introduction 88 4.2. Data Dependence and Process

Sintering of fume deposits in kraft recovery boilers

Creator:: Techakijkajorn, Udom
Abstract:: Fume, sub-micron aerosal particles in the combustion gases, have been identified as a cause of extensive plugging and fouling in the heat transfer section of a kraft recovery boiler in kraft pulp mills. After the deposition on the heat transfer surface, fume deposits will undergo the sintering process which causes...
Resource Type:: Masters Thesis
Full Text:: boiler, an important unit operation in the pulping process. Fume particles in the flue gas tend to form

ScholarsArchive@OSU

Catalytic effect of recovery boiler fume compounds on NH₃ oxidation

Determination of the optical constants of ash samples from kraft recovery boilers

Effect of various compositions of acid upon yield and quality of pulp

Fluidized bed granulator for an autocausticization recovery process of sodium in black liquor : experiment and theory

Interactions between dissolved wood organic chemicals and nonprocess elements in chemical pulping processes

Kinetic and equilibrium analysis of metal ion adsorption onto bleached and unbleached kraft pulps

Kraft green liquor pulping of Douglas-fir for corrugating medium

Kraft pulping of Douglas-fir with soluble anthraquinone

Parallel simplex algorithms and loop spreading

Sintering of fume deposits in kraft recovery boilers

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