创新固废回收利用技术 企业将“包袱”变“财富”

Core Insights - Yunnan Aluminum Co., Ltd. (Yunnan Aluminum) has surpassed a market value of 100 billion yuan, driven by the concepts of "green" and "waste-free" management, leading to a new development path for the company [1] Group 1: Environmental Management and Innovations - The company has established a comprehensive hazardous waste management system, with all 10 pilot enterprises achieving 100% compliance in standardized hazardous waste assessment [1] - Yunnan Aluminum has developed its own fluorine-containing wastewater electrocoagulation defluorination technology and built the first domestic "ultrafine droplet wet desulfurization technology" system in the aluminum industry, addressing multiple environmental challenges [1] - The company has created one national-level green supply chain enterprise, seven national-level green factories, and one provincial-level green mine, becoming the first "waste-free group" pilot enterprise in its industry and province [1] Group 2: Technological Advancements in Waste Management - Yunnan Aluminum's subsidiary has developed an online automatic cleaning device for residual anodes, significantly reducing impurities and allowing for the reuse of qualified residual anodes, saving approximately 1,700 yuan per ton in production costs [2] - The company has established a collaborative harmless production line for major repair slag and carbon slag, achieving high-value utilization of secondary resources through technological innovation [2] - Another subsidiary has built the first domestic aluminum ash resource utilization production line, employing a two-stage process to recover aluminum resources and safely utilize harmful gases [2]