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prEN 12255-6

Wastewater treatment plants - Part 6: Activated sludge process

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prEN 12255-6
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prEN 12255-6
01.09.2002
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This document specifies performance requirements for treatment of wastewater using the activated sludge process for plants over 50 PT. A variety of activated sludge systems has been developed. This document has not attempted to specify all available systems. This document provides fundamental information about single stage systems. The informative Annexes A, B and C provide design information.
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