500m³d Salt Lake Lithium Extraction Mother Liquor MVR Concentration and Crystallization Comprehensive Utilization Project

Project Type: Lithium extraction from salt lake brine and resource utilization of mother liquor

Equipment Names: Membrane separation concentration system, MVR continuous evaporation crystallization system, freeze crystallization unit, etc.

Project Location: Qinghai Province, China

Processing Capacity: 500 m³/d Salt Lake Lithium Extraction Mother Liquor

Designed Output: High-purity lithium-rich mother liquor (directly connected to the battery-grade lithium carbonate precipitation process), reduced industrial-grade sodium chloride and magnesium chloride solid waste byproducts

Core Technologies: High magnesium-to-lithium ratio brine membrane separation, mechanical vapor recompression (MVR) evaporation concentration, stepwise fractional crystallization technology

Project Commissioning Date: August 2023