Method for treating flocculated sludge

The invention relates to the technical field of dangerous solid waste treatment, and provides a treatment method of flocculated sludge. According to the method, the self-produced bacteria-containing sulfuric acid solution, the persulfate and the ferrite are adopted to treat the sulfur-containing flocculated sludge, polyacrylamide macromolecules are degraded into micromolecules to enter the filtrate, and the polyacrylamide is separated from the sulfur-containing flocculated sludge; aluminum in the sulfur-containing flocculated sludge is dissolved and separated by adopting a self-produced bacteria-containing sulfuric acid solution, and an aluminum sulfate solution is obtained by filtering, so that resource utilization of the aluminum in the sulfur-containing flocculated sludge is realized; mixing the filter residues obtained in the first step with a self-produced bacteria-containing sulfuric acid solution, ferrite and pyrite to remove redundant persulfate and aluminum hydroxide; the filter residues obtained in