“一粒盐”的升级蝶变

Core Viewpoint - The transformation of the Caofeidian Nanpu Economic Development Zone from a saline wasteland to a thriving hub for the salt chemical industry, driven by leading enterprises, technological breakthroughs, and green transformation [1][8]. Group 1: Industry Development - The Caofeidian Nanpu Economic Development Zone has evolved from producing only salt to a full industrial chain that includes products like raw salt, pure soda, PVC, organic silicon, and trichlorosilane, exporting to over 120 countries [1]. - The zone now hosts 106 salt chemical-related enterprises and employs over 20,000 people, with an annual production capacity of 230,000 tons of pure soda, 40,000 tons of PVC, and 40,000 tons of lithium carbonate/hydroxide [7]. Group 2: Leading Enterprises - Sanyou Group is a key player in the salt chemical sector, having developed a battery-grade sodium carbonate project with an annual production capacity of 100,000 tons, which is now in trial production [3]. - Sanyou Group has established a "three chains and one cluster" industrial layout, focusing on circular economy and high-end product development, achieving significant technological advancements and numerous patents [3][4]. Group 3: Technological Innovation - Sanyou Group has successfully implemented proprietary purification technology to produce high-purity products, with over 80 technology patents and several products recognized as leading in both domestic and international markets [3][4]. - The company has developed a hydrogen-coal co-firing technology that saves over 7,600 tons of raw coal annually, significantly reducing carbon emissions [6]. Group 4: Green Transformation - The focus on green development is evident in the production processes, with initiatives like water recycling in PVC production and the development of recycled fibers that have gained market traction [6][7]. - The integration of ecological practices in the salt production process, such as the use of brine for resource optimization, showcases the commitment to sustainable industrial practices [7].