Home / Standards / GB/T 42866-2023 GB/T 42866-2023 Active Technical guide for the treatment and reuse of coal chemical wastewater 煤化工废水处理与回用技术导则 Standard Type GBT ICS 13.030.20 CCS G01 Status 现行 Issue Date 2023-08-06 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A