This standard specifies the terms and definitions, serialization and model, usage conditions, devices, requirements, test methods, inspection rules, labeling, packaging, transportation, storage and operation and maintenance of sequential batch activated sludge process integrated domestic sewage treatment equipment. and other technical requirements.
T/ZAII 021-2020 history
2020T/ZAII 021-2020 Integrated facility for domestic wastewater treatment based on sequencing batch reactor activated sludge process