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Alternative Wastewater Treatment - Low-Cost Small Systems, Research and Development Proceedings of the Conference held at Oslo, Norway, September 7-10, 1981 (Paperback, Softcover reprint of the original 1st ed. 1982)
Loot Price: R5,728
Discovery Miles 57 280
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Alternative Wastewater Treatment - Low-Cost Small Systems, Research and Development Proceedings of the Conference held at Oslo, Norway, September 7-10, 1981 (Paperback, Softcover reprint of the original 1st ed. 1982)
Series: Water Science and Technology Library, 1
Expected to ship within 10 - 15 working days
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Following the end of World War II there was a major migra tion of
population in the United States and Scandinavian countries to urban
areas. As a result of this migration and in part due to the public
works moratoria imposed during the war, a major pro gram of sewer
construction was instigated, which resulted in the collection and
subsequent concentration of large volumes of waste water at single
discharge points. As the assimilative capacity of these receiving
waters was exceeded, it led to or aggravated existing water
pollution problems in these waters. To mitigate this degradation of
water quality a massive program to construct wastewater treatment
facilities was instigated. In addition, large amounts of money were
spent on research to improve the technology of the conventional
collection and treatment concept. In contrast, the wastewater
disposal problem of the rural home owner received little attention,
and in most cases the septic tank soil absorption system (ST-SAS)
was the interim solution. In recent years there has been a
fundamental change in the population growth pattern in the US and
Scandinavian countries. It appears that a great many people are
moving back to rural areas where they seem to prefer the suburban
or small town envi ronment, yet at the same time want all the
conveniences of urban life. The provision of proper wastewater
disposal facilities presents a very perplexing problem, because the
capital and operating costs of conventional sewers are usually
financially impractical for rural areas.
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