GB/T 40298-2021 (English Version) PDF

Scope: This document specifies the composition of zinc slag for recycling and disposal of steel hot-dip galvanizing slag, recycling and disposal of slag, selection of recycling methods, recycling process, resource conservation and environmental protection. This document is applicable to the recycling, disposal and utilization of galvanized paint produced by hot-dip galvanizing of steel materials. Zinc alcohol produced by hot-dip galvanizing of steel materials such as aluminum and aluminum-zinc can be implemented as a reference. This document does not apply to the waste flux produced in the hot-dip galvanizing process of the deep-dip method, the depth aid and the collection (removal) device, the dust collected by the flue, the zinc slag produced by the chemical method of electro-galvanizing, and other Zinc-containing waste wine classified as hazardous waste.

GB/T 40298-2021 Referenced Document

GB 12348 Emission standard for industrial enterprises noise at boundary
GB 31574 Emission standards of pollutants for secondary copper, aluminum, lead and Zink industry
GB/T 1175 Casting zinc alloys
GB/T 3185 Zinc oxide (Indirect method)
GB/T 470 Zinc ingots

2021 GB/T 40298-2021 Technical specification for disposal and recycling of slag from hot dip galvanizing of steel