
USB2 Reduction and harmless method for recycling ... Google
An amountreduction, harmless, disposal method for heavy metal waste gypsum (HMWG), which belongs to the technical fields of recycling economy and environmental protection. The HMWG used as raw material is subjected to processes of smelting fluxpreparation, lead smelting, fuming, and geopolymeric gelling, to realize amountreduction, harmless and resources recycling utilization of heavy metal ...