Dissertations / Theses on the topic 'Pulping. Papermaking'
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Pande, Harshad. "Kenaf fibres for pulping and papermaking." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ41265.pdf.
Full textMuurinen, Esa. "Organosolv pulping a review and distillation study related to peroxyacid pulping /." OuLu : Oulun yliopisto, 2000. http://catalog.hathitrust.org/api/volumes/oclc/47152371.html.
Full textSaarimaa, Ville. "Pectic acids in mechanical pulping and papermaking : Akademic dissertation /." Åbo : Åbo Akademi University, 2007. http://catalogue.bnf.fr/ark:/12148/cb41176965r.
Full textChung, Young Ho. "An evaluation of factors impacting optimum repulping and minimum chloroform generation during sodium hypochlorite repulping." Oxford, Ohio : Miami University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1059075420.
Full textTitle from first page of PDF document. Document formatted into pages; contains xii, 90 p. Includes bibliographical references (p. 88-90).
Rodriguez, Reynaldo A. "Improving fiber yield by reducing pulping knots." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/10289.
Full textIngalsbe, Dana I. "Relating mechanical properties of paper to papermaking variables." Available online, Georgia Institute of Technology, 2005, 2001. http://etd.gatech.edu/theses/available/ipstetd-1031/.
Full textKarakus, Saffet. "Physical, chemical, soda pulping and papermaking properties of Kenaf as a function of growth." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0001/MQ41002.pdf.
Full textHannuksela, Tea I. "Mannans in mechanical pulping and papermaking : naturallly existing aids and promising wet-end additives /." Åbo : Åbo akademi university, 2004. http://catalogue.bnf.fr/ark:/12148/cb40124675k.
Full textHannuksela, Tea. "Mannans in mechanical pulping and papermaking : naturally existing aids and promising wet-end additives." Université Joseph Fourier (Grenoble), 2004. http://www.theses.fr/2004GRE10039.
Full textThe interactions and effects of galactoglucomannans (GGM) in mechanical pulp and papermaking were evaluated. The GGMs are readily released during refining of pulp, simultaneously with wood extractives that form a colloidal emulsion. The GGMs can sterically stabilise the emulsion against aggregation induced by electrolytes or certain additives. The GGMs are, however, resorbed enta the fibre surfaces after an alkaline peroxide bleaching of the pulp due to the loss of acetyl groups. Ln its acetylated form, the GGM is nevertheless also sorbed enta the fibres of chemical pulp which is often added as reinforcement fibres to the furnish. The sorption of GGMs in itself also enhances the paper strength properties. The objective of this study was thus to understand the effects of GGMs in mechanical pulping and papermaking and to evaluate the use of other mannanes in order to obtain desired effects
Hanneman, Andrew J. S. "Modification of wood extractives and hemicelluloses during thermomechanical pulping : implications for newsprint sizing /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/5540.
Full textHarper, Frank D. "Sulfur release during the pyrolysis of kraft black liquor." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/5581.
Full textAjersch, Michael. "Mechanisms of pulp loss in flotation deinking /." *McMaster only, 1997.
Find full textFinell, Michael. "The use of reed canary-grass (Phalaris arundinacea) as a short fibre raw material for the pulp and paper industry /." Umeå : Unit of Biomass Technology and Chemistry, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a424.pdf.
Full textChakar, Fadi S. "Fundamental delignification chemistry of laccase-mediator systems on high-lignin-content kraft pulps." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/7017.
Full textCampbell, Brian K. "Improving green liquor clarifier performance through the addition of a packed bed of dendrite fibers." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/7015.
Full textTomasec, Marian. "Explosion pulping for papermaking : effect of cooking parameters on mechanical and optical properties = Mise en pâte d'explosion pour la production papetière : effet des paramètres de la cuisson sur les propriétés mécaniques et optiques." Thèse, Université du Québec à Trois-Rivières, 1996. http://depot-e.uqtr.ca/6817/1/000628918.pdf.
Full textChandra, Richard P. "Chemo-enzymatic modification of high-kappa kraft pulps with laccase." Diss., Available online, Georgia Institute of Technology, 2005, 2003. http://etd.gatech.edu/theses/available/ipstetd-1011/.
Full textChao, Kuo Ping, and 趙國評. "Feasibility Study on Evaluation of Seagrass as Pulping and Papermaking Material." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/28342263851072991115.
Full textBlack, Cory Charles. "Study of oxalic acid as a pretreatment for mechanical pulping in papermaking." 2001. http://catalog.hathitrust.org/api/volumes/oclc/48160139.html.
Full textTypescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 102-104).
LUO, PING-DING, and 羅平定. "Occurence of pitch problems in pulping and papermaking with three shorea wood species." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/05465087271386021734.
Full textSpender, Jonathan. "Photostabilization of high-yield pulps : reactions of thiols and quinones with pulp /." 2001. http://www.library.umaine.edu/theses/theses.asp?Cmd=abstract&ID=CHY2001-003.
Full text趙國評. "Development of the resources in Rhizoclonium sp. --Feasibility of utilizing Rhizoclonium sp.（Cladophorales, Chlorophyta）as pulping and papermaking material and research on its aquacultural characteristics." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/71576454364223034728.
Full text國立海洋大學
水產養殖學系
89
The main purpose of this study is to explore the feasibility of substituting terrestrial fiber materials with filamentous algae that frequently appear in disused aquacultural ponds in Taiwan. Among these abundant algae, Rhizoclonium sp. was the main subject of our investigation. The first part of the study investigated the fiber morphology of Rhizoclonium sp. and the chemical composition of its cell walls. The results indicate that the alga possesses similar strand-shape, carbohydrate composition and cellulose crystallinity as traditional wood fibers. The tubular cells of the alga connect end-to-end forming filamentous aggregates that resemble wood fibers. Thus the alga has a potential to substitute for wood fibers in pulping and papermaking. In the second part of the study, we noted that Rhizoclonium sp. not only could be adjusted for its ''fiber length’, enabling paper forming alone or blended with long and short wood fibers, but also had exceptionally high yield. Using low chemical dosage, low temperature, short cooking time and a sulfur-free cooking liquor, good quality pulps could be obtained. The alga, after trimming for proper length, could be used directly in papermaking, i.e., it could have a pulp yield close to 100%. As a whole, handsheets made from the alga still lag behind wood pulp in strength properties, but for certain grades needing only medium tensile strengths, it has good potential applications for partial substitution of wood fibers. In the third part of the study, we found that in the central and southern part of Taiwan, Rhizoclonium generated substantial quantity of biomass regardless of seasons. Maximum biomass of 945 to 1540 kg dry weight per hectare pond surface per month could be attained. Factors influencing algal growth include salinity, temperature, strand length and hydrological conditions of the growth environment. The best salinity and temperature were 20 parts per 1000 and 25oC. Strand length and agitation in pond water had negative impacts on the growth of the alga. The photosynthetic rate of the alga showed significant correlation with inorganic carbon sources. When NaHCO3 concentration was 2-4 mM, the alga had higher net photosynthetic rates. The study also showed that the osmotic pressure exerted by the salinity of the culturing water had less marked influence than the concentration of inorganic carbon in the water. We also found that Rhizoclonium sp. not only could utilize carbon dioxide but was also capable of using bicarbonate ions in the water. In the future, it possesses good potential to produce biomass and become a replacement resource for wood fibers. Thus not only alleviating the pressure to harvest forests, but also contributing toward the reduction of atmospheric greenhouse gas indirectly as well.