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Thursday, August 6, 2020 | History

1 edition of evaluation of effluents generated from a thermomechanical pulp mill. found in the catalog.

evaluation of effluents generated from a thermomechanical pulp mill.

evaluation of effluents generated from a thermomechanical pulp mill.

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Published by Ministry of the Environment in [Toronto] .
Written in English

    Subjects:
  • Wood-pulp industry -- Ontario -- Environmental aspects.,
  • Effluent quality -- Ontario.

  • Edition Notes

    ContributionsOntario. Ministry of the Environment.
    Classifications
    LC ClassificationsTD899.P3 E92
    The Physical Object
    Pagination127 p. :
    Number of Pages127
    ID Numbers
    Open LibraryOL19498808M

    This paper considers the potential use of thermomechanical pulping, an existing technology in the pulp and paper industry, as a pre-treatment for agricultural biomass for cellulosic ethanol production. The main objective of this paper is to identify process conditions in thermomechanical pulping affecting carbohydrate conversion during. Thermomechanical pulp (TMP) is mainly used for mechanical printing papers such as newsprints as well as uncoated and coated magazine papers. The invention and development of thermomechanical pulping process in the ’s rapidly changed the structure of the world’s pulp and paper industry. Previously.

    Method of converting logs or wood chips into paper pulp for use in papermaking accomplished by mechanical grinding, as opposed to chemical purpose of pulping is to reduce wood (or other fibrous raw material) to individual cellulose fibers. A non-fibrous constituent of wood, lignin, binds cellulose fibers together, and is primarily responsible for reducing paper quality and its. "Massive Color Removal System Being Constructed by Inter- national Paper Company", Southern Pulp and Paper Manu- facturers, 32, No. 4, pp (Ap ), McGlasson, W. G., "Treatment of Pulp Mill Effluents with Activated Carbon", Technical Bulletin, No. , National Council for Air and Stream Improvement.

    Pulp Furnish We used a mixture of aspen groundwood (GW) pulp, spruce TMP, and bleached mixed softwood kraft (SWBK) pulp in a typical furnish for producing light-weight coated paper in a ratio of %, %, 50%, respectively. The spruce TMP is the variable component of this furnish. TMP was produced from both the control chips and the bio-. Pulp and Paper Mill Effluent Environmental Fate and Effects edited by Dennis L. Borton. Pulp and Paper Mill Effluent Environmental Fate and Effects with the enclosed CD-ROM explores the most active and critical current research and experimentation from around the world.. The book presents the latest developments in research and practical applications relating to pulp and paper wastewater.


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Evaluation of effluents generated from a thermomechanical pulp mill Download PDF EPUB FB2

ABSTRACT This review of pulp and paper mill effluents considers the need for additional toxicity data to insure effective effluent regulation. Effluent characteristics and problems of toxicity testing particular to pulp and paper mill effluents are discussed; however, the.

Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibers from wood, fiber crops, waste paper, or with water and other chemical or plant-based additives, pulp is the major raw material used in papermaking and Pulp category: Production [M ton].

Pulp & Paper Mill Effluent Environmental Fate & Effects. Edited by: Dennis L. Borton, Timothy Hall, Robert Fisher and Jill Thomas, National Council for Air and Stream Improvement.

ISBN:©, Book with CD-ROM, pages, 7×10, Hardcover. the book and CD-ROM examines the identity and origin of chemicals in pulp mill effluents, environmental fate of chemicals from pulp and paper mills, bioaccumulation of substances from pulp mills to fish and wildlife, field and laboratory studies of biochemical and whole organism responses associated with pulp and paper effluents, integrated Author: dennis L.

Borton. The production of chemical pulp in recent times is million tons per year; while the production of eucalyptus pulp has increased intensively, especially in the southern hemisphere.

The pulp and paper industry has long been considered a large consumer of natural resources (wood and water) and one of the largest sources of pollution to the environment (air, water courses and soil).Cited by: 2.

The treatment of pulp and paper mill effluent: a review. Studies with both bleached and unbleached Kraft pulp mill effluents have reported the use of a two-stage anaerobic–aerobic approach to remove COD and sulphate from the wastewaters generated at an integrated newsprint mill.

COD and sulphur removals were 66% and 73%, respectively Cited by: The results for WAO of pulp and paper mill effluent are presented as the per cent COD reduction of the effluent as a function of various parameters such as, pH, catalyst concentration, temperature, and pressure.

While varying the pH of the solution the other parameters were kept constant viz., initial COD kg/m 3; catalyst conc.,File Size: KB. Improved regulations for pulp and paper mill effluents and an industry shift away from elemental chlorine bleaching in the s greatly reduced the release of polychlorinated dibenzo-p-dioxins.

and paper mill [2, 3]. The untreated effluents from pulp and paper mills discharged into water bodies, damages the water quality. The undiluted effluents are toxic to aquatic organisms and exhibit a strong mutagenic effect.

Several physical, chemical and biological methods are used for the removal of colour from the pulp and paper mill effluents. The effect on fish reproduction of final treated effluent from a thermomechanical pulp mill in Saint John, New Brunswick, Canada, was studied using mummichog (Fundulus heteroclitus), an endemic.

Topic 3 – Mechanical Pulping James A. Olson Pulp and Paper Centre, Department of Mechanical (e.g. book) (e.g. newsprint) - Reinforcement pkg. - Molded products The quality of the pulp produced during grinding is dependent on the temperature in the grinding Size: 2MB.

In recent years, there have been emerging concerns regarding the fate and effects of pulp and paper mill effluents on the environment. Countries throughout the world are focusing attention on the implementation of regulatory and monitoring programs.

In response, industry has begun to implement a variety of process and treatment technologies designed to minimize or eliminate the potential. Semi-chemical process, which creates the pulp essentially found in corrugated paper, as the presence of lignin in fibers makes it rigid. Mechanical process, used for manufacturing newspaper pulp.

The main manufacturing processes are milling, fibers removal using pressure, thermomechanical pulp and chemical-thermomechanical pulp. The effect of pulp and paper mill effluents on the environment should be understood accurately, because the quantity of water discharged from a mill is very large.

Current effluent regulations are based on biological oxygen demand (BOD) or chemical oxygen demand (COD), but these measures do not reflect the actual environmental effect of by: 1.

Keywords: Pulp & Paper mill, Treated effluent, Raw effluent, Monitoring, Performance evaluation Pulp and paper industry is one of the major industries in India 1. The pulp and paper mills because of their diverse nature release a wide range of compounds into the aquatic environment.

The effluents have highCited by: 1. Port Hawkesbury Paper (PHP) is the largest industrial employer in Cape Breton and is the leader in supercalendered paper manufacturing in North America. The mill manages overhectares of Crown land and is a key economic engine and cornerstone of Inverness, Richmond and.

TMP - Thermomechanical Pulp. Looking for abbreviations of TMP. It is Thermomechanical Pulp. Thermomechanical Pulp listed as TMP. Thermomechanical Pulp - How is Thermomechanical Pulp abbreviated.

TMP effluent, primary-treated thermomechanical pulp mill effluent (Wang et al. Application of municipal and industrial residuals in New Zealand.

Acute toxicity and mutagenic activity of undiluted pulp mill effluents, especially those from a bleach plant, were found to be toxic to aquatic organisms (Leach, ). They exhibited a strong mutagenic effect that has been demonstrated by several bioassay procedures (Priha and Talka, ), including Ames’ tests (Bjørseth et al., ).Cited by: Pulp and paper mills generate various quantities of energy-rich biomass as wastes, depending on the technological level, pulp and paper grades and wood quality.

These wastes are produced in all stages of the process: wood preparation, pulp and paper manufacturing, chemical recovery, recycled paper processing, waste water treatment.

Energy recovery from wastes of different origin has become a. FPInnovations conducted an evaluation of t he bench top (L) peCOD analyzer for a number of effluents from Canadian kraft and mechanical pulp mill operations.

The peCOD methodwas applied in conjunction with the conventional dichromate COD method for comparisonSince the. the pulp from the process steam. The pulp is often refined in two stages. The process steam is taken to the heat recovery unit to produce clean steam. The results The Pre-steamer is heated with the process steam via valve PCV-1 to typically 1 to 2 bar or to File Size: KB.Environmental Fate and Effects of Pulp and Paper: Mill Effluents - CRC Press Book.

In recent years, there have been emerging concerns regarding the fate and effects of pulp and paper mill effluents on the environment. Countries throughout the world are focusing attention on the implementation of regulatory and monitoring programs.In recent years, there have been emerging concerns regarding the fate and effects of pulp and paper mill effluents on the environment.

Countries throughout the world are focusing attention on the implementation of regulatory and monitoring by: