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| Author | : Pratima Bajpai |
| Publisher | : Elsevier |
| Total Pages | : 315 |
| Release | : 2013-11-21 |
| Genre | : Science |
| ISBN | : 0124171699 |
Download Recycling and Deinking of Recovered Paper Book in PDF, ePub and Kindle
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
| Author | : Pratima Bajpai |
| Publisher | : Elsevier |
| Total Pages | : 396 |
| Release | : 2024-06-28 |
| Genre | : Technology & Engineering |
| ISBN | : 0443238057 |
Download Recycling and Deinking of Recovered Paper Book in PDF, ePub and Kindle
Recycling and Deinking of Recovered Paper, Second Edition covers recent advances in recycling technologies. This second edition examines this new process, which is more eco-friendly than the virgin-papermaking process, and which uses less energy and natural resources, produces less solid waste and fewer atmospheric emissions, and helps to preserve natural resources and landfill space. In addition, the most recent information about the recycling of fibers into various grades of paper and board, the control of stickies, and the effects of recycled fiber on paper machines are also covered. Recycling technologies have been improved in recent years due to advances in pulping, flotation deinking, and cleaning/screening, resulting in the quality of paper made from secondary fibers remarkably approaching that of virgin paper. Covers all aspects of recycling technologies in great depth Offers up-to-date authoritative information and cites many mills experiences and pertinent research Examines the use of biotech methods for deinking, refining, improving drainage, and stickies control Includes new case studies on paper recycling
| Author | : Lothar Göttsching |
| Publisher | : Tappi |
| Total Pages | : 654 |
| Release | : 2000 |
| Genre | : Science |
| ISBN | : |
Download Recycled Fiber and Deinking Book in PDF, ePub and Kindle
| Author | : R. McKinney |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 420 |
| Release | : 1994-11-30 |
| Genre | : Science |
| ISBN | : 9780751400175 |
Download Technology of Paper Recycling Book in PDF, ePub and Kindle
This book covers the technology of the recovery of secondary fibre for its use in paper and board manufacture. The editor, who has had substantial practical experience of designing and commissioning paper recycling plants all over the world, leads a team of experts who discuss subjects including sourcing, characterisation, mechanical handling and preparation and de-inking.
| Author | : Matthew Coleman |
| Publisher | : |
| Total Pages | : 474 |
| Release | : 1990 |
| Genre | : Nature |
| ISBN | : |
Download Recycling Paper Book in PDF, ePub and Kindle
Papers on recycling have been a part of Conference Proceedings and Tappi Journal for decades. In just the past nine years, several hundred papers ona spects of recycling ahve been presented at conferences and published in the journal. To use htis collected body of knowledge, this book was created by reviewing and selecting the best of the appers on recycling presented at TAPPI Conference or published in Tappi Journal during the past nine years. The issues of collected wasste paper quality, deinking of newsprint, and the challenges of recycled paper production are addressed in these pages. Solid waste, mandatory collection, quality control, "stickies" contamination, and more are all a part of this collection.
| Author | : |
| Publisher | : |
| Total Pages | : 420 |
| Release | : 2003 |
| Genre | : Recycling (Waste, etc.) |
| ISBN | : |
Download Progress in Paper Recycling Book in PDF, ePub and Kindle
| Author | : Ken L. Patrick |
| Publisher | : Backbeat Books |
| Total Pages | : 216 |
| Release | : 1991 |
| Genre | : Nature |
| ISBN | : |
Download Paper Recycling Book in PDF, ePub and Kindle
| Author | : Ravindra K. Dhir |
| Publisher | : Thomas Telford |
| Total Pages | : 160 |
| Release | : 2001 |
| Genre | : Nature |
| ISBN | : 9780727729934 |
Download Recovery and Recycling of Paper Book in PDF, ePub and Kindle
Vast quantities of used paper are discarded every day despite the technology existing to recover and recycle the material. Throughout the world, a number of legislative and industry-led initiatives, aimed at value recovery from paper collected for recycling, have been introduced with a view to increasing public awareness of paper recycling and creating a sustainable environment.This book presents the proceedings of an international Symposium organised by the Concrete Technology Unit, University of Dundee, whcih brings together some of the worlds leading experts in the field of paper recovery and recycling.
| Author | : Woodard & Curran Woodard & Curran Inc. |
| Publisher | : Elsevier |
| Total Pages | : 533 |
| Release | : 2011-08-30 |
| Genre | : Technology & Engineering |
| ISBN | : 0080459862 |
Download Industrial Waste Treatment Handbook Book in PDF, ePub and Kindle
Industrial Waste Treatment Handbook provides the most reliable methodology for identifying which waste types are produced from particular industrial processes and how they can be treated. There is a thorough explanation of the fundamental mechanisms by which pollutants become dissolved or become suspended in water or air. Building on this knowledge, the reader will learn how different treatment processes work, how they can be optimized, and the most efficient method for selecting candidate treatment processes. Utilizing the most up-to-date examples from recent work at one of the leading environmental and science consulting firms, this book also illustrates approaches to solve various environmental quality problems and the step-by-step design of facilities. Practical applications to assist with the selection of appropriate treatment technology for target pollutants Includes case studies based on current work by experts in waste treatment, disposal, management, environmental law and data management Provides glossary and table of acronyms for easy reference
| Author | : Veronika Husovska |
| Publisher | : |
| Total Pages | : 132 |
| Release | : 2013 |
| Genre | : |
| ISBN | : |
Download Investigation of Recycled Paper Deinking Mechanisms Book in PDF, ePub and Kindle
The use of water based inks is on the rise. Sub micron pigment particles are used for flexographic and inkjet water based inks. Conventional deinking eliminates larger particles than those from these new ink systems. Therefore, water-based inks represent recycling difficulty. Deinking experiments of water based inks are carried out. The deinking strategy initially investigated elimination of pressure sensitive adhesive due to similar acrylic polymer chemistry used in water based inks. The impact of pH on stickies and ink agglomeration during deinking is studied. Experiments in acidic regions show growth of acrylic inks and stickies agglomerates, simplifying elimination. Pre recycling of water based inks is explored. Exceptional cleanliness of acidic circuit waters compared to alkaline is demonstrated. Conventional wisdom claims an alkaline environment is needed for ink detachment from paper. It is found that the benefit of acidic milieu is the agglomeration of the pigment-resin complex of water based ink. Further, flotation deinking of model inks is performed. Agglomeration and flotation of inkjet inks using surfactants is performed to better understand ink behavior during deinking while limiting its redeposition. Three types of food grade soybean oils are tested for utilization in the paper recycling industry. Fatty acids extracted from oils are utilized in one loop flotation deinking of offset printed paper. Extracted fatty acids A, B and C had varied acid and saponification number. The effect of each of the soy-oil fatty acid on deinking is studied. Deinking results are compared to INGEDE 11p procedure, using oleic acid. It is discovered that fatty acids C and B have better deinking performance than oleic acid. Lower acid number acids perform better. Acid C and bentonite clay is used in one loop flotation deinking of inkjet printed paper. Fatty acid C is compared against oleic acid. It is determined that fatty acid C has positive effects on deinkability. The surface of the bentonite clay is altered by coating it with fatty acid C. Bentonite clay is successful in removing sub-micron hydrophilic inkjet ink pigment particles. Clay has a positive effect on the discoloration of recycled water.
