Environmentally Benign Approaches for Pulp Bleaching Book
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Environmentally Benign Approaches for Pulp Bleaching


  • Author : Pratima Bajpai
  • Publisher : Gulf Professional Publishing
  • Release Date : 2005
  • Genre: Technology & Engineering
  • Pages : 296
  • ISBN 10 : 0444517243

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Environmentally Benign Approaches for Pulp Bleaching Excerpt :

1. Introduction. -- 2. General background. -- 3. Options for environmentally benign bleaching. -- 4. ECF and TCF bleaching. -- 5. Chlorine free bleaching of secondary fibers. -- 6. Closed cycle bleach plant.

Environmentally Benign Pulping Book

Environmentally Benign Pulping


  • Author : Pratima Bajpai
  • Publisher : Springer Nature
  • Release Date : 2023-03-09
  • Genre: Science
  • Pages : 98
  • ISBN 10 : 9783031236938

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Environmentally Benign Pulping Excerpt :

This book provides the most up-to-date and comprehensive information on the state-of-the-art techniques and aspects involved in environment-friendly pulping technologies. Traditional chemical and semi-chemical pulping processes are not environmentally friendly. Therefore, it has become important to look for alternative approaches to mitigate wastewater emissions in the paper industry, by making more stringent regulations to improve environmental conservation. In response to this problem, new raw materials need to be explored to replace traditional choices and also new pulping processes need to be developed based on less polluting, more easily recovered reagents. This book presents new and emerging deep eutectic solvents for lignocellulosic biomass pretreatment, and discusses the effects of deep eutectic solvents on biomass pretreatment and the production of value-added products. It also introduces biotechnological methods of pulping. Biotechnological processes help to make manufacturing processes cleaner and more efficient by reducing toxic chemical pollution and greenhouse gas emissions. Given its scope, this book is of interest to applied chemists, foresters, chemical engineers, wood scientists, along with engineers and researchers involved in the pulp and paper industry as a valuable reference.

Environmentally Friendly Production of Pulp and Paper Book

Environmentally Friendly Production of Pulp and Paper


  • Author : Pratima Bajpai
  • Publisher : John Wiley & Sons
  • Release Date : 2011-03-21
  • Genre: Technology & Engineering
  • Pages : 365
  • ISBN 10 : 1118074327

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Environmentally Friendly Production of Pulp and Paper Excerpt :

Implementing Cleaner Production in the pulp and paper industry The large—and still growing—pulp and paper industry is a capital- and resource-intensive industry that contributes to many environmental problems, including global warming, human toxicity, ecotoxicity, photochemical oxidation, acidification, nutrification, and solid wastes. This important reference for professionals in the pulp and paper industry details how to improve manufacturing processes that not only cut down on the emission of pollutants but also increase productivity and decrease costs. Environmentally Friendly Production of Pulp and Paper guides professionals in the pulp and paper industry to implement the internationally recognized process of Cleaner Production (CP). It provides updated information on CP measures in: Raw material storage and preparation Pulping processes (Kraft, Sulphite, and Mechanical) Bleaching, recovery, and papermaking Emission treatment and recycled fiber processing In addition, the book includes a discussion on recent cleaner technologies and their implementation status and benefits in the pulp and paper industry. Covering every aspect of pulping and papermaking essential to the subject of reducing pollution, this is a must-have for paper and bioprocess engineers, environmental engineers, and corporations in the forest products industry.

Bleach Plant Effluents from the Pulp and Paper Industry Book

Bleach Plant Effluents from the Pulp and Paper Industry


  • Author : Pratima Bajpai
  • Publisher : Springer Science & Business Media
  • Release Date : 2013-06-22
  • Genre: Technology & Engineering
  • Pages : 88
  • ISBN 10 : 9783319005454

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Bleach Plant Effluents from the Pulp and Paper Industry Excerpt :

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 into surface waters. This book describes environmental impact of bleach plant effluents, environmental regulations, and measures to reduce the pollution load by internal process modification and external treatment of bleach plant effluents.

Environmentally Friendly Technologies for the Pulp and Paper Industry Book

Environmentally Friendly Technologies for the Pulp and Paper Industry


  • Author : Raymond A. Young
  • Publisher : John Wiley & Sons
  • Release Date : 1997-11-19
  • Genre: Technology & Engineering
  • Pages : 594
  • ISBN 10 : 0471157708

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Environmentally Friendly Technologies for the Pulp and Paper Industry Excerpt :

Solving the pulp and paper industries' environmental problems is essential to maintaining the forest industry and accommodating the changing economic needs of forest communities. This book explores the construction of new mills--operating on new technology that does not produce pollutants--which are vital to the pulp and paper industry.

Green Chemistry and Sustainability in Pulp and Paper Industry Book

Green Chemistry and Sustainability in Pulp and Paper Industry


  • Author : Pratima Bajpai
  • Publisher : Springer
  • Release Date : 2015-06-23
  • Genre: Science
  • Pages : 258
  • ISBN 10 : 9783319187440

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Green Chemistry and Sustainability in Pulp and Paper Industry Excerpt :

This book features in-depth and thorough coverage of Minimum Impact Mill Technologies which can meet the environmental challenges of the pulp and paper industry and also discusses Mills and Fiberlines that encompass “State-of-the-Art” technology and management practices. The minimum impact mill does not mean "zero effluent", nor is it exclusive to one bleaching concept. It is a much bigger concept which means that significant progress must be made in the following areas: Water Management, Internal Chemical Management, Energy Management, Control and Discharge of Non-Process Elements and Removal of Hazardous Pollutants. At the moment, there is no bleached kraft pulp mill operating with zero effluent. With the rise in environmental awareness due to the lobbying by environmental organizations and with increased government regulation there is now a trend towards sustainability in the pulp and paper industry. Sustainable pulp and paper manufacturing requires a holistic view of the manufacturing process. During the last decade, there have been revolutionary technical developments in pulping, bleaching and chemical recovery technology. These developments have made it possible to further reduce loads in effluents and airborne emissions. Thus, there has been a strong progress towards minimum impact mills in the pulp and paper industry. The minimum-impact mill is a holistic manufacturing concept that encompasses environmental management systems, compliance with environmental laws and regulations and manufacturing technologies.

Enzyme Applications in Fiber Processing Book

Enzyme Applications in Fiber Processing


  • Author : Karl-Erik Eriksson
  • Publisher : Amer Chemical Society
  • Release Date : 1998
  • Genre: Technology & Engineering
  • Pages : 360
  • ISBN 10 : UOM:39015043147324

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Enzyme Applications in Fiber Processing Excerpt :

Focusing on fiber processing for pulp, paper, and textiles, this book takes a comprehensive look at enzymatic methods which avoid the use of harsh chemicals. It is divided into separate sections devoted to pulp and paper and to textiles.

Biotechnology for Pulp and Paper Processing Book

Biotechnology for Pulp and Paper Processing


  • Author : Pratima Bajpai
  • Publisher : Springer
  • Release Date : 2018-02-14
  • Genre: Science
  • Pages : 588
  • ISBN 10 : 9789811078538

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Biotechnology for Pulp and Paper Processing Excerpt :

The book provides the most up-to-date information available on various biotechnological processes useful in the pulp and paper industry. The first edition was published in 2011, covering a specific biotechnological process or technique, discussing the advantages, limitations, and prospects of the most important and popular processes used in the industry. Many new developments have taken place in the last five years, warranting a second edition on this topic. The new edition contains about 35% new material covering topics in Laccase application in fibreboard; biotechnology in forestry; pectinases in papermaking; stickies control with pectinase; products from hemicelluloses; value added products from biorefinery lignin; use of enzymes in mechanical pulping.

Appita Journal Book

Appita Journal


  • Author : Anonim
  • Publisher : Unknown
  • Release Date : 2007
  • Genre: Electronic journals
  • Pages : null
  • ISBN 10 : MINN:31951P008509651

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Appita Journal Excerpt :

First Indo US Workshop on Green Chemistry Book

First Indo US Workshop on Green Chemistry


  • Author : Anonim
  • Publisher : Unknown
  • Release Date : 2005
  • Genre: Environmental chemistry
  • Pages : 222
  • ISBN 10 : UOM:39015073603329

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First Indo US Workshop on Green Chemistry Excerpt :

Organized by Dept. of Chemistry, Univ. of Delhi in Nov. 2003.

Environmental Requirements for Industrial Permitting  Approaches and instruments Book

Environmental Requirements for Industrial Permitting Approaches and instruments


  • Author : Organisation for Economic Co-operation and Development
  • Publisher : OECD
  • Release Date : 1999
  • Genre: Environmental permits
  • Pages : 104
  • ISBN 10 : UOM:39015042769607

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Environmental Requirements for Industrial Permitting Approaches and instruments Excerpt :

Environmental permits have played a major role in improving industry's environmental performance across the last few decades. Because they adopt a precautionary approach during the setting of environmental requirements, permitting strategies have also favoured pollution prevention. However, current permitting systems will have to adapt to address growing pressures on the environment. How are OECD countries currently meeting this challenge? What are the main features of the laws, regulations, policies and practices governing the negotiation and delivery of industrial permits in OECD countries? This publication's three volumes give new insights into these questions. Volume 1 contains a policy study entitled Environmental Requirements for Industrial Permitting: Approaches and Instruments. This report is the first comprehensive review of permitting practices for industry in OECD Member countries. It explores the principles behind environmental permits and identifies major trends in their use. In particular, the report examines how technology-based requirements and environmental quality objectives are used together to develop permit conditions. Results are also presented from four sectoral case studies of the iron and steel, metal finishing, pulp and paper, and oil refining industry . Volume 2 contains the proceedings of an unprecedented OECD workshop on "Environmental Permitting of Industrial Facilities". This international workshop brought together nearly 100 government experts, regulators, permit writers, industry permit holders and other private sector representatives from OECD Member and Observer countries in Europe, North America and the Asia-Pacific region. Considering the wide range of policies, practices and viewpoints discussed, the workshop represented a significant step toward a mutual international understanding of the strengths and weaknesses of current environmental permitting systems. Volume 3 provides a valuable reference guide on regulatory approaches t