Incinerator slag pretreatment method for rapid carbon fixation and stabilization

The invention provides an incineration slag pretreatment method for rapid carbon fixation and stabilization. In the secondary stable stage of incineration slag weathering, small-molecular organic matters are effectively degraded by adding specific exogenous microorganisms, the complexing ability of the small-molecular organic matters and heavy metals is weakened, and the leaching risk of the heavy metals is remarkably reduced; in the early weathering stage of the incineration slag, a small amount of carboxymethyl cellulose and hydroxypropyl methyl cellulose are added, so that the CO2 fixing rate of alkaline substances on the surfaces of incineration slag particles is increased. In addition, CMC and HPMC can be coupled to provide a beneficial environment for reproduction and metabolism of exogenous microorganisms, and environmental release of heavy metals in the incinerator slag can be reduced. The treatment method provided by the invention has the advantages of simple process, high carbon sequestration effici