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首页> 美国政府科技报告 >Sludge Handling and Disposal Practices at Selected Municipal Wastewater Treatment Plants.
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Sludge Handling and Disposal Practices at Selected Municipal Wastewater Treatment Plants.

机译：选定的城市污水处理厂的污泥处理和处置实践。

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This report describes the sludge handling practices employed by members of the Association of Metropolitan Sewerage Agencies (AMSA). Dewatering and disposal methods are evaluated with respect to the prevalence of various types of equipment and systems,sludge handling costs,and other factors. Research needs and nontechnical aspects of sludge management are discussed. Composite flow charts are presented to illustrate how the different plants process sewage sludge. Charts are included for primary,secondary,and combined sludges. The quantities of sludge handled by each unit operation and the number of plants using the process are shown. The most commonly used types of equipment in decreasing order of frequency,are anaerobic digestion,gravity thickening,and vacuum filtration. Data on specific types of equipment were correlated with the type of sludge processed,plant size,and other parameters.

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