Inorganic solid waste-microorganism composite curing agent and preparation method and application thereof

China Patent

PATENT NO 116217112
APP PUB NO CN-116217112-A
SERIAL NO

202310242854

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The invention relates to the technical field of curing agents, in particular to an inorganic solid waste-microorganism composite curing agent, a preparation method and application thereof. The inorganic solid waste-microorganism composite curing agent comprises the following raw materials in parts by weight: steel slag, active magnesium oxide, regenerated micro powder, stearic acid, borax, carbonic anhydrase bacteria, bacillus subtilis and soluble calcium salt. The preparation method comprises the steps of rolling, extruding and granulating steel slag, active magnesium oxide, regenerated micro powder, stearic acid, borax and the like through a dry method to prepare a porous material, and loading carbonic anhydrase bacteria and bacillus subtilis into the porous material. Inorganic solid waste-microorganism composite curing agent is mixed into the sludge, and CO is introduced 2 The sludge is quickly solidified through carbonization of inorganic solid wastes and mineralization of microorganisms, and meanwhile, the microorganisms can effectively decompose organic pollutants in the sludge, so that the harmless, stable and resource utilization targets of the sludge are realized.

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