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Japan's Environmental Politics and Governance
Environmental issues stretch across scales of geographic space and require action at multiple levels of jurisdiction, including the individual level, community level, national level, and global level. Much of the scholarly work surrounding new approaches to environmental governance tends to overlook the role of sub-national governments, but this study examines the potential of sub-national participation to make policy choices which are congruent with global strategies and national mandates. This book investigates the emerging actors and new channels of Japan’s environmental governance which has been taking shape within an increasingly globalized international system. By analysing this impo...
Principles of Filtration
This book covers filtration in various modes of operation for both solid/gas and solid/liquid suspensions. It provides the necessary knowledge and background information to prepare and equip persons who are interested in serious filtration work. It is a useful reference/text for students and practicing engineers. It can also be adopted as an advanced text book for various engineering courses in chemical, environmental, mechanical and metallurgical engineering. The book presents analysis and treatment of filtration processes employing different filter media operating in various modes for both gas/solid and liquid/solid systems. Presents a concise overview of filtration enabling full understan...
Water, Wastewater, and Sludge Filtration
A comprehensive and up-to-date account of filtration in solid-liquid separation processes, with a sharp focus on the influence of pro-cess variables on performance and specific applications is pre-sented in this volume. With contribu-tions from researchers with significant industrial experi-ence, as well as by senior academics, this publication fea-tures a deep bed filtration overview with informa-tion on mathematical modeling and application in wastewater treat-ment. Pre-treatment filtration techniques such as cartridge filters, pre-coat filters and micro screening are included. Membrane filtration processes to remove dis-solved and suspended solids for the recovery of valuable ma-terials and the provision of high quality water are covered. Sludge de-watering methods such as centrifuga-tion, and vacuum and pressure filtration are described. Application status data, tables, figures and diagrams are also included. This volume is of special interest to practicing engineers and technolo-gists dealing with treatment problems requiring filtration solu-tions and to graduate students in environmental engineering.
Riverbank Filtration
Chittaranjan Ray, Ph. D. , P. E. University of Hawaii at Mãnoa Honolulu, Hawaii, United States Jürgen Schubert, M. Sc. Stadtwerke Düsseldorf AG Düsseldorf, Germany Ronald B. Linsky National Water Research Institute Fountain Valley, California, United States Gina Melin National Water Research Institute Fountain Valley, California, United States 1. What is Riverbank Filtration? The purpose ofthis book is to show that riverbank filtration (RBF) isa low-cost and efficient alternative water treatment for drinking-water applications. There are two immediate benefits to the increased use of RBF: Minimized need for adding chemicals like disinfectants and coagulants to surface water to control pa...
Rehabilitation of the River Rhine
This volume cover many aspects of the Rhine ecosystem, including: biological communities in the river affected by environmental changes; emission and fate of pollutants; accidental spills; ecotoxicological effects; and restoration of fish stocks and floodplain ecosystems.
Sludge Management for the 21st Century
With improvements in wastewater treatment has come an increase in the production of sewage sludge. In addition the materials disposed into the sewerage system by modern society mean that sludge is not only rich in organic carbon and pathogens, but also in heavy metals and other pollutants. The IWA Specialist Group in Sludge Management recognised these challenges, and is addressing them in a series of specialist conferences: the one in April 1999 in Perth, Australia focused on thermal processes and their management. With over a hundred participants from more than 30 countries the conference proved highly successful. These proceedings contain papers which were selected from the original 37 presentations after passing through the review process. Papers covered the whole range of thermal processes: hydrothermal oxidation, gasification, pyrolysis, incineration, melting to reuse of process residues. Management issues and assessment of sustainability of thermal processes based on life-cycle analyses were debated, with a focus on "value-adding" sludge management systems and renewable resource options.
Dissolved Air Flotation in Water and Wastewater Treatment
Dissolved air flotation (DAF) is an increasingly applied technology for particle removal in water and wastewater treatment. In DAF tiny air bubbles attach to the particles, which float to the surface, forming flocs which can be periodically removed to a sludge channel. The technique originated in the early 1900s, but has steadily widened its application across municipal and industrial water and wastewater treatment, earning a reputation for reliability, controllability and effectiveness. The aim of the Helsinki conference was to provide an opportunity for researchers and practitioners to examine and discuss current developments and applications of DAF technology in water and wastewater treatment. From the 58 oral and poster presentations, 26 papers have been selected for these proceedings. The papers have been divided into four themes: drinking water treatment, wastewater treatment, industrial and trade applications, theory and modelling.
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Water and Wastewater Management for Developing Countries
Selected Proceedings of the IWA International Conference, held in Kuala Lumpur, Malaysia, 29-31 October 2001. The IWA Conference on Water and Wastewater Management for Developing Countries was the first conference specially organized for developing countries after the merger between the International Association on Water Quality (IAWQ) and the International Water Services Association (IWSA). Its aim was to promote the concept of appropriate technologies for water and wastewater management, and to enhance linkages between institutions, practitioners and research groups working on low-cost treatment and waste recycling systems, and promote collaborative R&D. The outcome was a highly successful...
Managing Water and Waste in the New Millennium
One of the major problems facing the developing world is the rapid expansion of low-income urban areas as a result of migration in from rural areas. The result has been staggering growth in informal settlement areas around many major cities and consequent pressure on the sustainable supply of potable water and waste disposal that challenges governments, NGOs and the communities themselves. To mitigate these problems it will also be necessary to address the issues as they relate to rural and isolated communities. Successful solutions need multidisciplinary approaches that engage with social and institutional aspects as much as the technical and environmental. The 24 papers selected for these proceedings tackle various problems of water supply, sanitation and industrial waste treatment, addressing the issues at strategic and managerial levels as well as in localized and practical techniques. Together they enable all interested parties to share the experience and expertise from around the world that is leading the way towards successful water and waste management in the new millennium.
