车间生产综合锂收率超90%！我国盐湖提锂产业化实现关键技术突破

Core Viewpoint - The establishment and successful operation of the world's first 20,000-ton sodium-free brine lithium extraction production line by CITIC Guoan Technology Development Co., Ltd. marks a significant advancement in the efficient development of lithium resources from salt lakes in China, enhancing the country's strategic lithium resource self-sufficiency [1] Group 1: Project Overview - The new production line is a major industrial achievement following the company's previous establishment of a 6,000-ton lithium extraction demonstration line using lithium mother liquor extraction technology [1] - The core technology of the project is a self-developed sodium-free brine lithium extraction process supported by multiple patents, which optimizes the entire process through systematic innovation [1] Group 2: Technical Achievements - The new technology has significantly improved lithium recovery rates from less than 50% to over 78%, while the overall lithium recovery rate in the workshop increased from 75.38% to 90.41% [1] - The average production cycle for battery-grade lithium carbonate has been notably shortened, reducing lithium resource loss during the traditional salt flat evaporation process while ensuring the comprehensive utilization of by-products such as potassium and boron [1] Group 3: Industry Impact - The production line is expected to significantly enhance the comprehensive utilization rate of salt lake lithium resources and extend the resource development cycle [1] - This development provides an important demonstration for the green, intelligent, and large-scale transformation of China's salt lake lithium industry, contributing to the establishment of a self-controlled lithium resource supply system and ensuring strategic security for the new energy industry [1]