Anaerobic ammonia oxidation-based landfill leachate treatment device and use method thereof

The invention relates to an anaerobic ammonia oxidation-based landfill leachate treatment device and a use method thereof. The device comprises a primary processing unit, a secondary processing unit and a tertiary processing unit which are connected in sequence through a pipeline system; the primary processing unit comprises a water inlet pump, a water distribution system, a first reactor, a three-phase separator, an effluent weir trough and an effluent return pipe; the secondary processing unit comprises a second reactor, a filler, an aerator and a first precipitation tank; the tertiary processing unit comprises a flocculation reaction tank, a second precipitation tank, a primary ozone-oxidation unit, a primary biological treatment unit, a secondary ozone-oxidation unit and a second biological treatment unit which are connected in sequence; the tertiary processing unit further comprises a flocculating agent adding device, an ozone generator, an ozone catalyst and an ozone aerator. The anaerobic ammonia oxidation-based landfill leachate treatment device has the advantages that the structure is simple, the design is reasonable, the wastewater treatment cost is low, an effluent can meet the national emission standards, and aeration energy consumption is reduced, so that zero emission of a landfill leachate is realized.