High-concentration organic wastewater treatment method

The invention discloses a high-concentration organic wastewater treatment method, relates to the field of environmental protection, and in particular, relates to high-concentration organic wastewatertreatment. The method comprises the steps: removing COD through Fenton reagent oxidation; neutralizing with sodium hydroxide to remove heavy metals and fluorides; precipitating and removing ammonia nitrogen by a struvite method or an air stripping method; reducing with zinc powder or zinc powder and sulfamic acid to remove total nitrogen; and performing sodium hypochlorite oxidative decoloration.Fenton reagents are equivalently added in three batches for a water body in a wastewater pool, precipitation and filtration are performed twice, the reaction time is prolonged, the COD removal rate can be increased, and the reaction process is safe; aiming at removal of heavy metals and fluorides in the water body, sufficient stirring is needed in the reaction process, and the pH value is strictlycontrolled to be 10.5 in p