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Добірка наукової літератури з теми "Wood-pulp industry Environmental aspects Tasmania"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Wood-pulp industry Environmental aspects Tasmania"

1

Hamilton, Clive. "The Economics of Logging High Conservation Value Native Forests." Economic and Labour Relations Review 6, no. 2 (December 1995): 159–79. http://dx.doi.org/10.1177/103530469500600201.

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This paper analyses various aspects of the economics of logging high conservation value native forests. After outlining the multiple uses of these forests, evidence is reviewed that suggests that subsidisation of logging is extensive. Next the paper reviews work that indicates that when account is taken of the environmental values lost due to logging (including the value of water with alternative uses) there are net social costs from logging high conservation native forests. Finally, changes to the structure of the wood products industry are analysed and it is argued that the growth of plantation timber, although rapid, has been constrained by subsidisation of native forests logging. Despite this, the data show that plantation-sourced wood will capture most of the market for sawn timber and pulp within a decade. There is thus the opportunity for Australia to have its timber needs met without the environmental costs associated with logging of native forests.
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2

Mutz, Mathias. "Managing Resources. Water and Wood in the German Pulp and Paper Industry, 1870s-1930s." Jahrbuch für Wirtschaftsgeschichte / Economic History Yearbook 50, no. 2 (January 1, 2009). http://dx.doi.org/10.1524/jbwg.2009.50.2.45.

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AbstractUtilising natural resources demands for an effective management of knowledge, transport facilities, and resource supply. The essay looks at the pulp and paper industry’s use of water and wood to analyse this inter-connectedness of business and environmental history. In reference to Chandler’s view of business development as a process of growth and organisational differentiation, this is described as an internalisation of environmental aspects into the firm.
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Дисертації з теми "Wood-pulp industry Environmental aspects Tasmania"

1

Baker, Scott Alan. "Activated sludge biotreatability of pulp and paper bleach wastes : investigation of bleaching options." Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/21647.

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2

Fortin, Nathalie. "Molecular characterization of dechlorination potential in kraft pulp mill effluent treatment systems." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27317.

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Many low molecular weight chlorinated organic compounds produced by the pulp and paper industry during kraft bleaching of the wood pulp are toxic. Mass balance studies suggest that mineralization of chlorinated organics is occurring in pulp and paper mill wastewater treatment systems. To understand the nature of dechlorination activity, molecular tools such as oligonucleotide primers and corresponding DNA probes were developed to monitor the presence of microorganisms possessing key genes (dehalogenases) responsible for the degradation of chloroaliphatic organics in kraft pulp mill effluent treatment systems. Oligonucleotide primers designed from the coding sequence of known dehalogenases and a methane monooxygenase gene, which is known to catalyze dehalogenation reactions, were used for polymerase chain reaction (PCR) analysis, using genomic DNA extracted from dehalogenating bacterial isolates and total community DNA extracted from water and sediments of lagoon treatment systems. PCR amplification with dhlB oligonucleotide primers, designed from the haloacid dehalogenase of Xanthobacter autotrophicus, revealed the presence of dehalogenase genes in both aerated lagoons and stabilization basins. Similar results were obtained with mmoX primers designed from the methane monooxygenase gene of Methylococcus capsulatus. DNA sequence analysis of several PCR fragments showed significant similarity to known dehalogenase genes. The molecular tools developed in this study revealed the presence of different types of microorganisms with dechlorination potential in the microbial community of pulp mill effluents.
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3

Brogdon, Brian N. "Effects of ethanol media on chlorine dioxide and extraction stages for kraft pulp bleaching." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/7014.

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4

Rigby, Tracey. "Development of a capillary electrophoretic method for the separation and detection of resin acids." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0035/MQ64439.pdf.

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5

Wartena, Ryan Craig. "Generation of sodium oxide and discharge of carbon by the electrolysis of multi-component molten salt systems : a recycle process for kraft pulping chemicals." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/10281.

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6

Sullivan, Elizabeth Carol. "The use of advanced treatment methods for removal of color and dissolved solids from pulp and paper wastewater." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/94476.

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This study investigated the use of activated carbon and ion exchange for the removal of color and dissolved solids from pulp and paper wastewater generated by the Union Camp Corporation mill in Franklin, Virginia. The objective of the treatment was to provide a high quality effluent suitable for direct recycling. This advanced treatment followed pretreatment by lime, alum, or ferric chloride. Required effluent quality was defined as being 5 Pt-Co units color and 75 mg/L chloride. Granular and powdered carbons, manufactured by the Westvaco Corporation, were utilized in the study. The ion exchange resin investigated was Amberlite IRA-68, manufactured by Rohm and Haas. Carbon treatment consisted of batch and column operation; ion exchange column treatment was used. The results of the study indicated that the required effluent quality was achieved by activated carbon and ion exchange treatment of wastewater that had been chemically pretreated. The most successful treatment schemes for the biotreated effluent were pretreatment with 500 mg/L alum or 2500 mg/L lime, followed by carbon column treatment for color polishing and ion exchange for chloride removal. The lime pretreated sample produced an effluent containing less than 5 Pt-Co units color as necessary for reuse, while the alum pretreated sample would require dilution with make-up water or additional treatment (i.e. ion exchange) to obtain recycle quality. The use of ion exchange for chloride removal is not practical due to the preferential exchange for sulfates. Until such time as sulfate can be eliminated from the wastewater source, other methods of dissolved solids removal should be investigated.
M. Eng.
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7

Bauer, Elizabeth Nanette. "MODIFICATION OF AN EXISTING BENTHAL MODEL FOR PAPER MILL WASTES." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275443.

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8

Hailu, Atakelty Gebremedihen. "Environmentally sensitive analysis of economic performance, productivity and efficiency in the Canadian pulp and paper industry, 1959-1994." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ34772.pdf.

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9

Gauthier, Francis. "Study of coliform bacteria in Canadian pulp and paper mill water systems : their ecology and utility as health hazard indicators." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33401.

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Coliform bacteria have long been used to indicate fecal contamination of food, water, and solid surfaces, and thus the presence of a health hazard. In this study, the in-mill water and external effluent treatment systems of seven typical Canadian pulp and paper mills were shown to support the growth of numerous coliforms, especially Klebsiella spp, Escherichia coli, Enterobacter spp., and Citrobacter spp . Mill coliforms were shown to be not just simple transients from feedwater or furnish (wood), but to be continuously growing, especially in the primary clarifiers. Therefore, coliforms and fecal coliforms cannot be used as fecal contamination indicators in pulp and paper mill water and effluent treatment systems.
N2-fixing coliform populations were detected in mill water systems and were analyzed using N2-fixation assays and nitrogenase gene (nifH) probing. Both active in situ populations and cultured microbial isolates were tested. Active N2-fixation was demonstrated in six primary clarifiers. Measurement of the numbers and composition of the total culturable bacterial community in a primary clarifier revealed that approximately 50% of all aerobic cells contained nifH , of which >90% were Klebsiella. Coliforms growing on MacConkey agar plates from the primary clarifier were all identified as Klebsiella and 100% of these Klebsiella contained the nifH gene. Preliminary estimates indicate that the amount of N2 fixed per day is substantial in some clarifiers.
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10

Bhathena, Jasmine. "The physical and physiological effects of nitrogen and phosphorus limitation on a pulp and paper mill effluent biotreatment microbial community /." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80228.

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The influence of nitrogen (N) and phosphorus (P) limitation on pulp and paper mill activated sludge (AS) floc properties was studied using a bioreactor fed with synthetic Kraft mill effluent. The bioreactor and synthetic effluent were designed and shown to perform like the real mill system providing the AS, establishing the in vivo relevance of the results. Limitation of either N or P produced inadequate effluent biotreatment, shown by poor BOD5 and suspended solids removal, and by decreased biomass health, performance, and floc settling. Greatly enhanced poly-beta-hydroxybutyrate (PHB) (but not carbohydrate or extracellular polymeric substances [EPS]) synthesis was the common response of the floc microbial community to N limitation over many days. In contrast, P-limitation increased total carbohydrate and EPS, but not PHB.
N limitation, but not P limitation, caused the net floc surface charge to be much more negative, while P-limitation, but not N-limitation, increased the floc bound water content and surface hydrophobicity. Thus, in real pulp and paper mill AS systems, careful manipulation of N or P additions may be useful to optimize the key process of charged polymer-assisted AS dewatering.
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Книги з теми "Wood-pulp industry Environmental aspects Tasmania"

1

Modetz, Henry. Kraft pulp industry particulate emissions: Source category report. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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2

Hull, Brian. Effluents from pulp mills using chlorine. Ottawa: Conference Board of Canada, 1992.

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3

Canada. Library of Parliament. Research Branch. Pulp and paper: The reduction of toxic effluents. [Ottawa]: Library of Parliament, Research Branch, 1992.

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4

Bajpai, P. Biotechnology for environmental protection in the pulp and paper industry. Berlin: Springer, 1999.

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5

Canada. Library of Parliament. Research Branch., ed. Pulp and paper: The reduction of toxic effluents. Ottawa, Ont: Library of Parliament, Research Branch, 1992.

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6

Environmental Conference (1987 Portland, Or.). 1987 Environmental Conference: Portland Marriott, Portland, OR, April 27-29. Atlanta, GA, USA: TAPPI Press, 1987.

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7

Varma, Vipin K. Evaluation of three organic vapor analyzers for determining leaks from kraft pulp mill non-condensible gas collection systems. Research Triangle Park, North Carolina: NCASI, Naitonal Council for Air and Stream Improvement, 2001.

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8

Kirkpatrick, Neil. Environmental issues in the pulp and paper industries: A literature review. [Leatherhead, Surrey]: Pira, 1991.

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9

Finland/UNEP, International Seminar on Sound Environmental Management in the Pulp and Paper Industry (1986 Helsinki Finland). Finland/UNEP International Seminar on Sound Environmental Management in the Pulp and Paper Industry, Helsinki 14-17 May 1986. [Paris]: United Nations Environment Programme, 1987.

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10

Tanjung, Osmar. Gerakan advokasi lingkungan: Kasus pulp dan rayon di Sumut. [Medan]: Pokja Daerah Sumatera, 1992.

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