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《环境工程概论》课程教学资源(教案讲义)(英文版)Chapter 7 Suspended Growth Biological Treatment Processes

7-1 Introduction to the Activated-Sludge Process Historical Development The activated-sludge p now used routinely for biological treatment of municipal and industrial dge process date back to the early 1880s to the work of stewater in tanks and the hastening of the oxidation quently by a number of investigators, ility could be secured by e Experiment Station
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