Professional Standard - Recommended Standards for Engineering Construction
Latest
CECS 209-2006
Scope
This procedure is applicable to newly built, expanded and renovated medium and small-scale urban sewage treatment and industrial wastewater treatment with similar water quality. It is also suitable for nitrification treatment of wastewater containing high concentration of Kjeldahl nitrogen.
CECS 209-2006 history
2006CECS 209-2006 Specification for design of aeration biological fluidized tank