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  • PROCESSING AND USE OF ORGANIC SLUDGE AND LIQUID AGRICULTURAL WASTES. PROCEEDINGS OF THE 4TH INTERNATIONAL SYMPOSIUM HELD IN ROME (I) ON OCTOBER 8-11, 1985.

Abstract

The development of instrumentation and of analytical techniques during the period has extended our knowledge of the organic and inorganic constituents of sewage sludge and agricultural wastes and enabled us more readily to identify and measure the risks to which our general environment may be exposed when disposing of it. This evolution of understanding is a continuing process and an essential guide to the modification of disposal practices to achieve safer and more efficient operations. However, it is important to take a broad view of the application of research findings in the light of the considerable contrast in conditions in different parts of the world. Even in the European Community there are wide variations in climate, agricultural practices, population density and industrial capacity. Conclusions from research may have application in some areas but not in others, and practices proved over time to be satisfactory in some regions may not be of general application because of these variations. The agricultural disposal of sludge and agricultural wastes to land can supply nutrients to only a small part of the productive land and although of great value to farmers it has no major impact on national agricultural operations. It is the aim in disposing of sludge to protect public health and provide a good environment at realistic cost by utilising best practice based on sound scientific knowledge. Operations should be carried out under controlled conditions with provision for adequate monitoring by sampling and analysis and one finds that the authorities responsible for waste water treatment and sewage sludge treatment are well fitted to provide the scientific and technical organisation needed for supervisory control and to give farmers adequate information on the quality of sludge being spread on their land. It is the correlation of this practical experience with new information from research work which can build up systems of guidance.

Additional information

Authors: L'HERMITE P CEC BRUXELLES (BELGIUM), CEC BRUXELLES (BELGIUM)
Bibliographic Reference: BOOK: 576 P., 1986, ISBN 90-277-2338-9 WRITE TO KLUWER ACADEMIC PUBLISHERS GROUP, P.O. BOX 322, 3300 DORDRECHT (THE NETHERLANDS), PRICE: HFL. 230
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