Device for treating landfill leachate through membrane-free method

• Main Authors: CHANG JUNJUN, SU YA, AN JIN, ZHU YARU, LI XIANGDONG, ZHENG XIAOYU, CHEN FANGFANG, GU CHUANG
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2024
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

A device for treating landfill leachate through a membrane-free method comprises an ammonia distillation device, a primary oxidation device, a biochemical treatment device, a precipitation device and an electrocatalytic oxidation device which are sequentially connected through pipelines, an ammonia recovery device connected with the ammonia distillation device, and a sludge treatment device which is respectively connected with the primary oxidation device, the biochemical treatment device and the precipitation device through pipelines, the ammonia distillation device is used for removing ammonia nitrogen; the ammonia absorption tower is used for reacting ammonia-containing steam with carbon dioxide to obtain an ammonium salt product; the primary oxidation device is used for improving biodegradability, and the biochemical treatment device is used for removing most organic matters, ammonia nitrogen and other pollutants; the precipitation device is used for precipitating macromolecular pollutants, the electrocat