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Saturday, August 8, 2020 | History

1 edition of Bleach Plant Effluents from the Pulp and Paper Industry found in the catalog.

Bleach Plant Effluents from the Pulp and Paper Industry

by P. Bajpai

  • 24 Want to read
  • 10 Currently reading

Published by Springer International Publishing, Imprint: Springer in Heidelberg .
Written in English

    Subjects:
  • Textile Engineering,
  • Hazardous wastes,
  • Industrial Chemistry/Chemical Engineering,
  • Environmental chemistry,
  • Waste Management/Waste Technology,
  • Chemical engineering,
  • Sewage disposal,
  • Refuse and refuse disposal,
  • Chemistry,
  • Textile industry

  • About the Edition

    This book covers bleach plant effluents- the most polluting effluent from the pulp and paper industry. Some of the consequences of the disposal of bleach effluents into surface waters include- disappearance of benthic invertebrates, a high incidence of fish diseases, and mutagenic effects on the aquatic fauna. This book describes the environmental impact of bleach plant effluents, environmental regulations, and measures to reduce the pollution load by internal process modification and external treatments.

    Edition Notes

    Statementby Pratima Bajpai
    SeriesSpringerBriefs in Applied Sciences and Technology
    ContributionsSpringerLink (Online service)
    Classifications
    LC ClassificationsTS1300-1865
    The Physical Object
    Format[electronic resource] /
    PaginationVIII, 88 p. 2 illus.
    Number of Pages88
    ID Numbers
    Open LibraryOL27021752M
    ISBN 109783319005454

    Bleach 3 in 1 Edition Vol 21 Find out why Tite Kubo’s Bleach has become an international manga smash-hit! The feud between the Soul Reapers and Quincies is as long as it is complicated, and for Ichigo Kurosaki, it just got personal. Historically, the pulp and paper industry has been a large consumer of water. This sector consumes on average 25 to m3 of water per ton of pulp produced. The bleach plant is the largest source of liquid effluent within the kraft process. Reducing effluent generation, through partial or .

    In the Pulp and Paper industry a lot of effort is used to water saving and closing water circuits, and to reduce substantially the environmental impact, by process modeling and Kidney technologies as internal process water treatment. Effluents from pulp and paper mills contain solids and dissolved matter.   Free Online Library: Energy consequences in minimum effluent market kraft pulp mills.(Energy) by "Solutions - for People, Processes and Paper"; Business Forest products industry Printer Frien, articles and books.

    Bleach Plant Chemical and Stock Preparation Effluents EFFECTIVE USE AND RECOVERY OF CHEMICALS IN COLD SODA PAPER MACHINE EFFLUENT Experimental Discussions Mode of Treatment for Paper Machine Effluent Results Conclusion Pulp and Paper Industry (Pulp Mill, Paper Mill, Printing and Writing Papers, Corrugating Medium Paper, Newspapers. Chang H M, Joyce T W, Matsumoto D Y, Yin C F, Vasudevan B, Boechat C A, Kirk T K. Proceedings of the 3rd International Conference on Biotechnology in the Pulp and Paper Industry. Decolorization and dechlorination of bleach plant effluents by a white rot fungus; pp. –


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Bleach Plant Effluents from the Pulp and Paper Industry by P. Bajpai Download PDF EPUB FB2

This book covers bleach plant effluents- the most polluting effluent from the pulp and paper industry. Some of the consequences of the disposal of bleach effluents into surface waters include- disappearance of benthic invertebrates, a high incidence of fish diseases, and mutagenic effects on.

This book covers bleach plant effluents, that most polluting effluent from the pulp and paper industry. Disappearance of benthic invertebrates, a high incidence of fish diseases, and mutagenic effects on the aquatic fauna are some of the consequences of the disposal of bleach effluents Brand: Springer International Publishing.

The bleach plant is the most important source of effluent within a pulp mill and the chlorinated effluents are more complicated to reutilize within the mill. For this reason, an important trend in bleaching development is to reduce volumes and decrease the effluent loads, especially of chlorinated compounds [ 40 – 42 ].Cited by: 3.

In Membranes for Industrial Wastewater Recovery and Re-use, Conclusions. The pulp and paper industry is a complex one with many different kinds of mills, products and processes. Effluents therefore vary significantly in quality depending on the process from which they originate.

Due to this complexity the requirements of water and effluent treatment at the different points of the. Pulp and Paper Industry This book covers bleach plant effluents, that most polluting effluent from the pulp and paper indus-try.

Disappearance of benthic invertebrates, a high incidence of fish diseases, and mutagenic effects on the aquatic fauna are some of the consequences of the disposal of bleach effluents into surface wa-ters. Sampling of Combined Bleach Plant Effluent.

A combined bleach plant sample is produced for each bleach plant. It includes all seal tank overflows that leave the bleach plant, excluding any recycle flows that are reused within the bleach plant. It also excludes any lime mud or other additions from outside the bleach plant.

These species can be recovered efficiently by ultrafiltration. Large ultrafiltration plants with membrane areas of m 2 have been installed in Japan to clean up such bleach effluents.

These are used as replacement for lime precipitation. In one such plant at Shikoku Island the bleach effluent is at °C and pH 10– Papermaking - Papermaking - Bleaching and washing: The use of calcium and sodium hypochlorites to bleach paper stock dates from the beginning of the 19th century.

In the early days of sulfite pulp manufacture, a single-stage treatment of pulp at low consistency, using calcium hypochlorite (chlorinated lime), satisfied most requirements.

This simple bleaching treatment, however, is not. Worldwide, more than ${50\times 10^{6}{\hskipem}{\hskipem}{\rm{t}}}$ of pulp is bleached annually, making the pulp and paper industry one of the largest consumers of bleaching chemicals.

The principal objective in bleaching any type of pulp is usually to increase the whiteness of the pulp, as measured by its brightness, which is defined as reflectance measured at a wavelength of nm.

White rot fungi Fomes lividus and Trametes versicolor, isolated from the Western Ghats region of Tamil Nadu, India, were used to treat pulp and paper industry effluents on a laboratory scale and in a pilot scale.

On the laboratory scale a maximum decolourization of % was achieved by T. versicolor on the fourth day. Inorganic chloride at a concentration of mg/l, which corresponded to. UF can be used for many purposes in the pulp and paper industry; treatment of bleach plant effluent, white water, deinking effluent and separation of compounds in the spent pulping liquor.

The UF plant at Nymölla was built in and due to changes in the production, the feed and concentration to the UF is higher today than originally.

A pulp mill is a manufacturing facility that converts wood chips or other plant fiber source into a thick fiber board which can be shipped to a paper mill for further processing. Pulp can be manufactured using mechanical, semi-chemical, or fully chemical methods (kraft and sulfite processes).

The finished product may be either bleached or non-bleached, depending on the customer requirements. Combined effluents of a Kraft pulp mill using yearly plants were treated in a labscale activated sludge system. Average TOC and AOX removal efficiencies were 83% and 21% respectively.

Bleaching of wood pulp is the chemical processing of wood pulp to lighten its color and whiten the pulp. The primary product of wood pulp is paper, for which whiteness (similar to, but distinct from brightness) is an important characteristic. These processes and chemistry are also applicable to the bleaching of non-wood pulps, such as those made from bamboo or kenaf.

EPA promulgated initial Effluent Guidelines and Standards for the Pulp, Paper and Paperboard category (40 CFR Part ) in andamended the regulations in andand promulgated a major amendment covering toxic pollutants in The Effluent Guidelines are incorporated into NPDES permits for direct dischargers direct dischargerA point source that discharges pollutants to.

The pulp industry uses more than 40 m3 of water per ton of pulp produced, generating high effluent flows. In general, it presents high concentrations of organic matter, color and ecotoxicity. The conventional Fenton process has been tested in the pulp and paper industry at laboratory scale to polish different mill effluents (from kraft pulp to recovered paper mills) reporting good oxidation removal efficiencies (COD removal > 60%; Hermosilla et al.

), although the partially-oxidized composition of the treated wastewater did not. Pulp and paper waste water is one of the major sources of industrial water pollution. This study tested the suitability of ceramic tubular membrane technology as an alternative to conventional waste water treatment in the pulp and paper industry.

In this context, in series batch and semi-batch membrane processes comprising microfiltration, ultrafiltration and nanofiltration, ceramic membranes. Better washing reduces the pulp mill carry-over to the paper machine and will prevent deposits by washing the deposit forming compounds out of the pulp.

This way, the deposit-causing compounds leave with the washed out liquor. Water-based and glycol-based defoamers may be used to control foam in both the screen room and bleach plant.

Bleach plant effluent is a large portion of the water discharged from a typical bleached kraft pulp mill. The recycling of bleach plant effluents to the kraft recovery cycle is widely regarded as an approach to low effluent bleached kraft pulp production.

The focus of this work has been on developing an electrodialysis process for recycling the. Bleach effluent from pulp and paper Industry Bleach Effluent sample was collected from the Kraft process of pulp and paper industry, where the industry used sugarcane bagasse and hardwood as the raw material.

Volume3 Issue 1 January to March Ek M, Kolar MC () Reduction of AOX in bleach plant effluents by a combination of ultrafiltration and biological methods. Proc. of 4th Int. Biotech. Conf. in Pulp and Paper industry, Raleigh, North Carolina, 16–19 May, pp – Google Scholar.Bleach Plant Effluents from the Pulp and Paper Industry it was amazing avg rating — 2 ratings — published — 3 editions Want to Read saving /5(18).