Treatment system and treatment method of waste lithium battery recovery wastewater

The invention relates to the technical field of lithium battery recycling, and provides a treatment system and a treatment method of waste lithium battery recycling wastewater. The system comprises a separation device, a filter membrane device, an MVR evaporation device, a drying device, a purification device and the like. According to the treatment system and the treatment method for the waste lithium battery recovery wastewater, the wastewater is subjected to two-step separation through the separation device and the filtering membrane device, an organic phase in the wastewater is recovered, and high-value resources are recycled; a pure sulfate product is obtained by treating a water phase through the MVR evaporation device and the drying device, and pure water in the system can be recycled through the purification device. The waste lithium battery is treated by the waste lithium battery recycling wastewater treatment system, so that efficient recycling of resources is realized, zero emission is reduced or e