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

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Scope

This document specifies the relevant content of the disposal and recycling of
slag from hot dip galvanizing of steel, such as the composition of zinc slag, the
recycling and disposal of zinc slag, the selection of recycling methods, the
recycling process, and the requirements of resource conservation and
environmental protection.
This document is applicable to the disposal and recycling of zinc slag from hot-
dip galvanizing of steel. The disposal and recycling of zinc slag produced by
steel’s hot-dipping Zn-Al, Al-Zn, etc., can refer to this document to implement.
This document does not apply to the waste generated in the process of solvent
hot dip galvanizing, such as waste fusing agent, fluxing agent, and dust
collected by the dust collecting (removal) devices and the gas flue. It also does
not apply to zinc sludge produced by chemical electro-galvanizing, and the zinc-
containing waste slag that is classified as hazardous waste.

Basic Data

Standard ID	GB/T 40298-2021 (GB/T40298-2021)
Description (Translated English)	Technical specification for disposal and recycling of slag from hot dip galvanizing of steel
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H34
Word Count Estimation	10,161
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration