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Relevant bibliographies by topics / Kraft pulping process

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Academic literature on the topic 'Kraft pulping process'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Kraft pulping process"

1

Bonfatti Júnior, Eraldo Antonio, Elaine Cristina Lengowski, Alan Sulato de Andrade, et al. "Bamboo kraft pulping." Advances in Forestry Science 6, no. 4 (2019): 791. http://dx.doi.org/10.34062/afs.v6i4.8361.

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Despite of the wide use worldwide, the industrial potential of bamboo species in Brazil is not much investigated. However, some encouragement to revert this situation was created in last few years. The aim of this research was to evaluate the technological characteristics of the Bambusa vulgaris biomass for the production of pulp by the kraft process. The technological characteristics of the raw material were determined by the basic density, the chemical composition and the morphology of the fibers. The cooking process was carried out with the application of eight charges of active alkali, in

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2

Yang, Ling, and Shijie Liu. "Kinetic Model for Kraft Pulping Process." Industrial & Engineering Chemistry Research 44, no. 18 (2005): 7078–85. http://dx.doi.org/10.1021/ie050301n.

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3

Cui, Yu, Jia Chuan Chen, and Gui Hua Yang. "Process of Kraft Pulping of Fast-Growing Poplar and Defibration Point." Advanced Materials Research 560-561 (August 2012): 682–87. http://dx.doi.org/10.4028/www.scientific.net/amr.560-561.682.

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The process of kraft pulping of Fast-growing Poplar was studied,by determining the lignin contents including Klason lignin and acid soluble lignin, the yield of pulping, the rate of carbohydtare degradation and delignification rate. Results indicated that the delignificaton of Fast-growing Poplar in kraft pulping can be divided into three distinguishable stages. (a)The initial delignification stage before 140°C,the rate of delignification reaches to 35.76%; (b)The bulk delignification stage, the rate of delignification reaches to 90.50%，in the period from 140°C to 170°C and for 30 min; (c)The

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4

JARDIM, JULIANA M., PETER W. HART, LUCIAN LUCIA, and HASAN JAMEEL. "Probing the molecular weights of sweetgum and pine kraft lignin fractions." June 2021 20, no. 6 (2021): 381–91. http://dx.doi.org/10.32964/tj20.6.381.

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The present investigation undertook a systematic investigation of the molecular weight (MW) of kraft lignins throughout the pulping process to establish a correlation between MW and lignin recovery at different extents of the kraft pulping process. The evaluation of MW is crucial for lignin characterization and utilization, since it is known to influence the kinetics of lignin reactivity and its resultant physicochemical properties. Sweetgum and pine lignins precipitated from black liquor at different pHs (9.5 and 2.5) and different extents of kraft pulping (30–150 min) were the subject of thi

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RUDIE, ALAN W., and PETER W. HART. "Catalysis-a potential alternative to kraft pulping." October 2014 13, no. 10 (2014): 13–20. http://dx.doi.org/10.32964/tj13.10.13.

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A thorough analysis of the kraft pulping process makes it obvious why it has dominated for over a century as an industrial process with no replacement in sight. It uses low-cost raw materials; collects and regenerates over 90% of the chemicals needed in the process; and is indifferent to wood raw material and good at preserving the cellulose portion of the wood, the part that provides strong fibers. Although the process is odiferous, extremely capital intensive, and very poor at preserving hemicellulose yield, no alternatives have been able to replace it for process cost and product quality. T

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Kong, Fangong, Shoujuan Wang, Weijue Gao, and Pedram Fatehi. "Novel pathway to produce high molecular weight kraft lignin–acrylic acid polymers in acidic suspension systems." RSC Advances 8, no. 22 (2018): 12322–36. http://dx.doi.org/10.1039/c7ra12971h.

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7

Jincy P.J., Anita Das Ravindranath2, and U.S. Sarma. "Ecofriendly Organosolv Process for Pulping of Tender Coconut Fibre." CORD 31, no. 1 (2015): 11. http://dx.doi.org/10.37833/cord.v31i1.64.

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The huge biomass generated by vendors of tender coconut is the broken husks refuse dumped along roads and highways in Kerala. These dumps become breeding grounds for diseased causing germs and carrier mosquitoes causing threat to human life. In order to avoid pollution and find use of the rejected biomass of tender husks, a study was carried out on pulping of tender coconut husk fibre which could be used for papermaking. The optimum pulping condition, the quality of the pulp and its yield was evaluated using different variables like time and temperature. It was observed that the organosolv pro

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8

TAO, LI, JOSEPH M. GENCO, BARBARA J. W. COLE, and RAYMOND C. FORT. "Selectivity of oxygen delignification for southern softwood kraft pulps with high lignin content." August 2011 10, no. 8 (2011): 29–39. http://dx.doi.org/10.32964/tj10.8.29.

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The selectivity of kraft pulping versus the oxygen delignification processes over the range of kappa nos. 25–90 was compared. Kraft pulping was found to be more selective than oxygen delignification for removing lignin from southern softwood kraft pulps. The greater selectivity is thought to be related to hydroxyl radicals that form in the oxygen delignification process that are not present in the kraft process. The hydroxyl radicals attack the carbohydrates and randomly cleave the polymeric chains, causing a significant decrease in the degree of carbohydrate polymerization and thus a loss of

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9

Lukanin, Р. V. "Estimation of energy efficiency of kraft pulp production with the exergy increment method." Power engineering: research, equipment, technology 22, no. 2 (2020): 3–11. http://dx.doi.org/10.30724/1998-9903-2020-22-2-3-11.

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This article contains results of exergic analysis of kraft pulping flow chart. The results of exergic balances of main kraft pulping processes such as alkali recovery at recovery boilers, black liquor evaporation, chips cooking, lime decarbonation are considered in details in the article. The analysis of the process flow chart makes it possible to determine the bottlenecks in the use of heat energy and to substantiate principal lines for increasing energy efficiency of the processes under study. A main share of the exergy expended in the existing pulping process is due to alkali recovery in th

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10

Shimabayashi, Katsuomi. "The Development of Defoamer for Kraft Pulping Process." JAPAN TAPPI JOURNAL 58, no. 9 (2004): 1227–31. http://dx.doi.org/10.2524/jtappij.58.1227.

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Dissertations / Theses on the topic "Kraft pulping process"

1

Zou, Haixuan. "Effect of Kraft Pulping on Oxygen Delignification." Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/ZouH2002.pdf.

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2

Qiao, Ming. "Fundamental study of kraft pulp kappa uniformity /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/5603.

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3

Burazin, Mark Alan. "A dynamic model of kraft-anthraquinone pulping." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/5743.

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4

Boyer, Brian S. "Measurement of delignification diversity within kraft pulping processes." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/5980.

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5

Yang, Xiaotian. "Interfacing spectrophotometry to process liquors applications to kraft pulping." Doctoral thesis, KTH, Chemistry, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3428.

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<p>This thesis summarizes the outcome of work performed withthe objective to contribute to the knowledge and development ofthe kraft cooking process using spectrophotometricinterfaces.</p><p>In kraft cooking, it is desirable to maximize the removal oflignin in the cook without loss of pulp strength. Theselectivity can be improved by exchanging some of the hydrogensulfide ion in the white liquor for polysulfides. Paper Ipresents a spectrophotometric method for in-line monitoring ofthe electrochemical production of polysulfide using anATR-probe for the UV-Vis range. A linear relation existsbetwe

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6

Nakhala, Ahdab. "Wet air oxidation of spent liquor from kraft pulping process." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40732.

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The limitation of kraft recovery unit capacity in pulp and paper making can be overcome by using wet air oxidation (WAO) as pre-treatment stage to treat spent black liquor. WAO is a process in which organic and/or oxidizable inorganic components are oxidized using air or pure oxygen in a liquid phase at elevated temperature (150-370 °C). In order to keep the reaction in the liquid phase, high pressures are required (2-20 MPa). All experiments were performed in a highly pressurized steel reactor using oxygen to oxidize kraft black liquor. In the first part of the experimental work, the pe

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7

Bakke, Bruce W. "Reduction of sulfur release through indigester oxidation in kraft pulping." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/11691.

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8

Jones, Andrew K. "A Model of the kraft recovery furnace." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/5754.

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9

Schmidt, Flavia. "Polpação kraft de cavacos de espessura reduzida." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-03102014-151142/.

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Este trabalho teve como objetivo analisar os cavacos de dimensões reduzidas inseridos em cozimentos que se utilizam de menores tempos e maiores temperaturas, de maneira a se obter as bases para o estabelecimento de um novo processo e/ou a otimização dos sistemas atualmente utilizados em escala industrial. Amostras de cavacos de referência (3,6 mm, obtidas pelo processo convencional de picagem) e de cavacos com espessura de 0,5 mm, 1 mm e 2 mm (obtidas por um gerador de partículas), do híbrido de Eucalyptus urophylla x Eucalyptus grandis com 7 anos foram analisadas quanto à densidade básica, co

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Chen, Dezhi 1982. "The role of surfactants in kraft pulping of different wood species /." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112562.

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A unique penetration instrument has been developed to evaluate the role of surfactants in kraft pulping process. This instrument can screen surfactants which can improve the wood impregnation more effectively and much faster than pilot-plant experiment. The role of surfactants in wood penetration has been explored. Surfactants can improve wood impregnation by dispersing the extractives in the wood structure and optimizing the interfacial properties between wood surface and kraft liquor. The addition of two blends of anionic and nonionic surfactants into kraft pulping process results in a signi

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Books on the topic "Kraft pulping process"

1

Company, Sandwell and. Dead load reduction in the Kraft pulping process. Environment Canada, 1986.

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2

Bezúch, Bohuslav. Structure of hardwood lignin and its behaviour in kraft pulping. Paper and Pulp Research Institute, 1987.

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3

Karhu, Jouni. Equilibria and balances of metal ions in kraft pulping. Åbo Akademi University, Faculty of Technology, 2008.

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4

Hill, Marquita K. Ultrafiltation [sic] of kraft black liquor: Final report - phase I. Technical Information Center, Office of Scientific and Technical Information, U.S. Dept. of Energy, 1985.

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5

Hill, Marquita K. Ultrafiltation [sic] of kraft black liquor: Final report - phase I. Technical Information Center, Office of Scientific and Technical Information, U.S. Dept. of Energy, 1985.

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6

Kraft Pulping Short Course (2001 Louisville, Kentucky). 2001 Kraft Pulping Short Course: Seelbach Hilton Hotel, Louisville, KY, May 7-10, 2001. TAPPI Press, 2001.

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7

Kraft Pulping Short Course (1996 Portland, OR). 1996 Kraft pulping short course: Red Lion Hotel - Columbia River, Portland, OR, May 5-8. TAPPI Press, 1996.

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8

Fricke, Arthur L. Physical properties of kraft black liquor: Interim report, phase II. [U.S. Dept. of Energy, Office of Scientific and Technical Information], 1985.

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9

Kraft Pulping Short Course (1999 Vancouver, B.C.). 1999 Kraft Pulping Short Course: Sheraton Wall Centre Hotel, Vancouver, British Columbia, Canada, May 2-5, 1999. TAPPI Press, 1999.

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10

Adams, Terry N. Kraft recovery boiler physical and chemical processes. American Paper Institute, 1988.

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Book chapters on the topic "Kraft pulping process"

1

Ahvenlampi, Timo, Rami Rantanen, and Manne Tervaskanto. "Fault Tolerant Control Application for Continuous Kraft Pulping Process." In Fault Detection, Supervision and Safety of Technical Processes 2006. Elsevier, 2007. http://dx.doi.org/10.1016/b978-008044485-7/50143-3.

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Conference papers on the topic "Kraft pulping process"

1

Ardina, Vebria, Bambang Irawan, Danawati Hari Prajitno, and Achmad Roesyadi. "Active alkali charge effect on kraft pulping process of acacia mangium and eucalyptus pellita." In Proceedings of the 17th International Conference on Ion Sources. Author(s), 2018. http://dx.doi.org/10.1063/1.5054440.

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2

Consonni, Stefano, Eric D. Larson, and Ryan Katofsky. "An Assessment of Black Liquor Gasification Combined Cycles: Part A — Technological Issues and Performance Comparisons." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53179.

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Black liquor gasification (BLG) technologies are under active commercial development in the United States and Europe. BLG has been proposed as a future replacement for Tomlinson boilers to provide more efficient, safer, environmentally-friendlier, and more cost-competitive chemical and energy recovery at kraft pulp and paper mills. Also, some pulping process improvements are more readily implemented with BLG than with black liquor combustion. This is Part A of a two-part paper summarizing results of a large study supported by the US Department of Energy, the American Forest and Paper Associati

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