This standard specifies the hygienic standards for the discharge of cyanide-containing waste residues in industrial production. This standard is applicable to industrial production, such as bottom sludge after heat treatment of low-carbon workpieces, surface treatment process wastewater, and other industrial wastes containing cyanide.
GB 18053-2000 history
2000GB 18053-2000 Hygienic standard for cyanide in industrial waste