Papermaking wastewater treatment agent and preparation method thereof

The invention discloses a papermaking wastewater treatment agent and a preparation method thereof, and belongs to the field of environmental pollution treatment and papermaking wastewater treatment. The papermaking wastewater treatment agent is prepared from the following raw materials in parts by weight: 0.5-2 parts of industrial water glass, 2-7 parts of ferric salt, 45-65 parts of aluminum sulfate, 2-4 parts of hydrochloric acid and 0.2-1 part of an oxidant; the papermaking wastewater treatment agent is prepared by uniformly stirring and mixing the raw materials and is used for coagulationadvanced treatment of papermaking wastewater. The invention also provides a preparation method of the treatment agent for papermaking wastewater. The components of the agent are reasonably configuredand the preparation process is simple; compared with the traditional industrial wastewater treatment method, the investment cost is obviously reduced, the treatment effect is good, the COD removal rate of papermaking wastewate