Professional Standard - Recommended Standards for Engineering Construction
Latest
CECS 111-2000
Scope
This procedure is applicable to the design and operation of activated sludge treatment of urban sewage in cold areas of my country, where the water temperature in winter is generally 6℃~10℃ and 4℃~6℃ for a short period of time. Other types of sewage in cold areas can be treated by the activated sludge method as a reference.
CECS 111-2000 history
2000CECS 111-2000 Specification for design of actived sludge treatment of waste water in cold regions