Investigation Of Recycled Paper Deinking Mechanisms PDF Download
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| 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.
| 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 | : Christopher J. Biermann |
| Publisher | : Elsevier |
| Total Pages | : 783 |
| Release | : 1996-08-01 |
| Genre | : Technology & Engineering |
| ISBN | : 008053368X |
Download Handbook of Pulping and Papermaking Book in PDF, ePub and Kindle
In its Second Edition, Handbook of Pulping and Papermaking is a comprehensive reference for industry and academia. The book offers a concise yet thorough introduction to the process of papermaking from the production of wood chips to the final testing and use of the paper product. The author has updated the extensive bibliography, providing the reader with easy access to the pulp and paper literature. The book emphasizes principles and concepts behind papermaking, detailing both the physical and chemical processes. A comprehensive introduction to the physical and chemical processes in pulping and papermaking Contains an extensive annotated bibliography Includes 12 pages of color plates
| 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 | : 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 | : Yun Ouyang |
| Publisher | : Springer |
| Total Pages | : 1009 |
| Release | : 2015-12-04 |
| Genre | : Technology & Engineering |
| ISBN | : 9811000727 |
Download Advanced Graphic Communications, Packaging Technology and Materials Book in PDF, ePub and Kindle
This book includes a selection of reviewed papers presented at the 2015, 4th China Academic Conference on Printing and Packaging, which was held on October 22-24, 2015 in Hangzhou, China. The conference was jointly organized by the China Academy of Printing Technology, Beijing Institute of Graphic Communication, and Hangzhou Dianzi University. With 3 keynote talks and 200 presented papers on graphic communications, packaging technologies and materials, the conference attracted more than 400 scientists. These proceedings cover the recent research outcomes on color science and technology, image-processing technology, digital-media technology, printing-engineering technology, packaging-engineering technology etc. They will be of interest to university researchers, R&D engineers and graduate students in graphic communications, packaging, color science, image science, materials science, computer science, digital media and network technology fields.
| Author | : Qing-min Chen |
| Publisher | : |
| Total Pages | : 226 |
| Release | : 2000 |
| Genre | : Printing ink |
| ISBN | : |
Download Mechanisms of Chemical Agglomeration in the Deinking of Mixed Office Waste Book in PDF, ePub and Kindle
| Author | : Valerie Ann D'Souza |
| Publisher | : |
| Total Pages | : 304 |
| Release | : 1997 |
| Genre | : Factory and trade waste |
| ISBN | : |
Download Concentrations of Metals Entering and Leaving a Recycled Paper Deinking Mill Book in PDF, ePub and Kindle
| Author | : Arpit Sand |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 176 |
| Release | : 2021-12-01 |
| Genre | : Science |
| ISBN | : 1839695781 |
Download Cellulose Science and Derivatives Book in PDF, ePub and Kindle
Cellulose and cellulose derivatives are a class of bio-based materials that have attracted scientific interest due to their unique structural features and properties such as biocompatibility, biodegradability, and renewability. They are promising candidates for applications in biomedicine, pharmaceuticals, electronics, barrier films, nanocomposites, membranes, and supercapacitors. New resources, extraction procedures, and treatments are currently under development to satisfy increasing demands for cost-effective and sustainable methods of manufacturing new types of cellulose nanoparticle-based materials on an industrial scale. This book, written by an international collection of contributors in the field, is a useful reference for graduate students and researchers in chemistry, materials science, nanoscience, and green nanotechnology.
| Author | : Shlomo Magdassi |
| Publisher | : World Scientific |
| Total Pages | : 354 |
| Release | : 2009-07-31 |
| Genre | : Science |
| ISBN | : 9814470929 |
Download The Chemistry Of Inkjet Inks Book in PDF, ePub and Kindle
Modern printing is based on digitizing information and then representing it on a substrate, such as paper, pixel by pixel. One of the most common methods of digital printing is through inkjet printers. The process of inkjet printing is very complicated, and the ink used must meet certain chemical and physicochemical requirements including those related to storage stability; jetting performance; color management; wetting; and adhesion on substrates. Obviously, these requirements — which represent different scientific disciplines such as colloid chemistry, chemical engineering, and physics — indicate the need for an interdisciplinary book that will cover all aspects of making and utilizing inkjet inks.This book provides basic and essential information on the important parameters which determine ink performance. It covers not only the conventional use of inkjet technology on graphic applications, but also the extension of this method to print various functional materials, such as the use of conductive inks to print light-emitting diodes (LEDs) and three-dimensional structures. Thus, the book will serve a large community: industrial chemists who deal with ink formulations and synthesis of chemicals for inks; chemical engineers and physicists who deal with the rheological and flow properties of inks; and researchers in academic institutes who seek to develop novel applications based on inkjet printing of new materials.
