Secondary treatment. (1994 Public Works Manual: Water Pollution Control)

From: Public Works | Date: April 15, 1994 | Copyright information

A comprehensive reference guide on secondary treatment of wastewater is presented. The guide tackles specific topics such as activated sludge process, oxidation ponds and biological filters.

SECTION D-4

PRIMARY TREATMENT was at one time thought by many authorities to be sufficient to prepare a waste stream to be discharged to the water environment. In fact, the concept of applying secondary treatment to all wastewaters was not advocated in all states until the passage of ...

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