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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.
This volume is a eoLleetion of manuseripts based on presenta tions at a symposium "Polymerie Separation Media" organized for the Seeond Chemieal Congress of the North Ameriean Continent held in Las Vegas, August 24-29, 1980. The symposium was organized to bring together researehers in the expanding field of separations based on polymerie media. A diverse eross-seetion of re.seareh areas were presented, whieh were linked by the aetive separation agent being a polymerie material. I would like to thank the authors for their endeavours and the audienee for their partieipation, espeeially in light of the late change of venue for this meeting. Finally I am indebted to the Division of Polymer Chemi...
"Ion exchange", as Dr. Robert Kunin has said, "is a unique technology since ft occupies a special place in at least three other scientific disciplines - polymer chemistry, polyelectrolytes and adsorption. " It may also lay claim to being one of the most widely used industrially. From its origins in water treatment and the sugar industry, through hydrometallurgical applications as diverse as the treatment of plating wastes and the tonnage production of uranium, to the present-day production of ultrapure water for the microelectronics industry, the recovery of valuable materials from sewage effluents and pollution control, the uses of ion exchange are legion. As a result, it is well-nigh impossible to prevent infiltration by the real world of even the most academic of conferences on the subject. It came as no surprise to the Scientific Board of the NATO Advanced Study Institute on "Mass Transfer & Kinetics of Ion Exchange" that one third of the lecturers, and one half of their advanced students, were from Industry, nor that the two round-table discussions, which specially featured industrial applications and future requirements, were well attended and enthusiastically debated.
The main theme of this symposium was the application of chemical methods for water and wastewater treatment and their effect on the environment. The participants represented many countries and many disciplines and, taken together, their papers provide a very interesting overview of the way in which chemical processes are used in different parts of the world. The contributions from the USA are mainly devoted to methods for reducing the environmental hazard of alternative energy sources such as oil shales and tar sands. A fresh interest in coal and lignite is also apparent in the papers from Canada and from western and eastern Europe. Many papers and discussions deal with the related technology of desulphurisation of coal and oil during combustion or in exhaust gases, much of the research in this area being inspired by the problems of acid rain and the damage to forests in the northern hemisphere.
Fully Updated Hydrology Principles, Methods, and Applications Thoroughly revised for the first time in 50 years, this industry-standard resource features chapter contributions from a “who’s who” of international hydrology experts. Compiled by a colleague of the late Dr. Chow, Chow’s Handbook of Applied Hydrology, Second Edition, covers scientific and engineering fundamentals and presents all-new methods, processes, and technologies. Complete details are provided for the full range of ecosystems and models. Advanced chapters look to the future of hydrology, including climate change impacts, extraterrestrial water, social hydrology, and water security. Chow’s Handbook of Applied Hydrology, Second Edition, covers: · The Fundamentals of Hydrology · Data Collection and Processing · Hydrology Methods · Hydrologic Processes and Modeling · Sediment and Pollutant Transport · Hydrometeorologic and Hydrologic Extremes · Systems Hydrology · Hydrology of Large River and Lake Basins · Applications and Design · The Future of Hydrology
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Steam explosion is a rapidly developing technique for the fractionation and modification of lignocellulosics and for the extraction of industrial polysaccharides. This book is a primary integrated presentation of the fundamental and technological aspects of this process, and provides an exhaustive discussion of its prospects for the future. The main topics concern the kinetic and engineering aspects as well as the structure modifcations of the substrates, induced by the steam explosion process. Applications in the pulping and textile industries, in the bioconversion of wood and agricultural biomass, and in polysaccharide extraction are widel discussed. Potential developments of this technique in the activation of lingocellulosics for dissolving and the production of new textile fibers and films are also considered.
"I can't sleep. Not since June 16th, 2018. Not since what happened..." Traumatised by the events of her past, exhausted by insomnia, Becky Braithwaite believes that a new start will help her to recover. She leaves home to fulfil her brother's dreams, and honour the life he never had... but she soon finds that escaping from the past is not as easy as she imagined. Is her fatigued mind playing tricks on her, or is danger really lurking in the shadows? This unputdownable psychological thriller will keep you turning the pages to find out the truth. Goodreads reviewers say: "A quick read, one of those books you started and needed to finish to find out the what, why, how and when." "I was immediat...