Treatment method of high-salinity wastewater

• Main Authors: DING BAOQIANG, ZHANG ZHIJIE, LI HAIYANG, LI SHUYAN, MU HAI, MA LIN, WU WENMING
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a high-salinity wastewater treatment method, which belongs to the technical field of wastewater treatment, and comprises the following steps: adding a fluorine removal reagent and a coagulant aid into high-salinity wastewater, precipitating and filtering, and filtering through sand filtration and carbon filtration processes to obtain filtrate; the filtrate is softened by softening resin, the pH of the softened effluent is adjusted, and then the wastewater is discharged into an oxidation pond; adding hydrogen peroxide into the oxidation pond, starting the electrooxidation equipment to carry out oxidation reaction, and adjusting the pH value after the oxidation reaction is finished to obtain treated wastewater; the method can effectively solve the problems of high removal difficulty and low removal efficiency of organic pollutants in the high-salinity wastewater, a composite oxidation system formed by electrochemistry and hydrogen peroxide can play a synergistic oxidation effect, the oxi