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Recycling and Deinking of Recovered Paper

  • ID: 2690489
  • Book
  • 240 Pages
  • Elsevier Science and Technology
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Paper recycling in an increasingly environmentally conscious world is gaining importance. Increased recycling activities are being driven by robust overseas markets as well as domestic demand. Recycled fibers play a very important role today in the global paper industry as a substitute for virgin pulps. Paper recovery rates continue to increase year after year

Recycling technologies have been improved in recent years by advances in pulping, flotation deinking and cleaning/screening, resulting in the quality of paper made from secondary fibres approaching that of virgin paper. The process is a lot more eco-friendly than the virgin-papermaking process, using less energy and natural resources, produce less solid waste and fewer atmospheric emissions, and helps to preserve natural resources and landfill space.

Currently more than half of the paper is produced from recovered papers. Most of them are used to produce brown grades paper and board but for the last two decades, there is a substantial increase in the use of recovered papers to produce, through deinking, white grades such as newsprint, tissue, market pulp.

By using recycled paper, companies can take a significant step toward reducing their overall environmental impacts. This study deals with the scientific and technical advances in recycling and deinking including new developments.

  • Covers in great depth all the aspects of recycling technologies
  • Covers the latest science and technology in recycling
  • Provides up-to-date, authoritative information and cites many mills experiences and pertinent research
  • Includes the use of biotech methods for deinking, refining. and improving drainage
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1. Introduction
2. Legislation for use of recycled paper
3. Collection systems and sorting
4. Process steps in recycled fibre processing
5. System and process design for different paper and board grades
6. Effects of recycling on pulp quality
7. Chemicals used in deinking systems
8. Enzymatic deinking
9. Bleaching of recycled fibers
10. Refining of recycled fibres
11. Improvement of drainability of recycled fibers
12. Effects of recycled fibre on paper machines
13. Control of stickies
14. Waste water treatment and reuse
15. Environmental aspects
16. End uses of Recovered Paper other than Papermaking
17. Future of deinking
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Bajpai, Pratima
Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has a vast 36 years of experience in this field. She has worked at National Sugar Institute Kanpur (India), University of Saskatchewan (Canada), University of Western Ontario (Canada), and Thapar Center for Industrial Research and Development (India). Dr. Bajpai's main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the USA and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals. She has also handled several Sponsored Research Projects from industry and government agencies. She is an active member of the New York Academy of Science, American Society for Microbiology, and many more.
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