[China Aluminium Network] Red Mud is a contaminated waste residue discharged from the alumina industry when it extracts alumina. It is named because it has a large iron oxide content and looks similar to red mud. For every 1 ton of alumina produced, approximately 0.8-1.5 tons of red mud is produced. Red mud not only consumes land and wastes resources, but also poses environmental pollution and safety hazards. How to deal with “useless†red mud has always been a problem for the alumina industry.
The reporter learned from the Shanxi Provincial Economic and Information Technology Commission on the 23rd that, in order to promote the comprehensive utilization of red mud, the province has issued the Twelfth Five-Year Plan for Comprehensive Utilization of Red Mud in Shanxi Province, stating clearly that by 2015, Shanxi The comprehensive utilization rate of red mud will reach 15% to 20%, and the annual comprehensive utilization will strive to reach more than 1.5 million tons. At the same time, one to two provincial-level production, research, and research institutes will be set up to use the red mud resources comprehensive utilization technology engineering center, breaking 3-5 key points. Technology, promote the upgrading of technology and equipment, build a number of application demonstration and promotion demonstration projects with driving benefits, form 3-5 demonstration bases for industrialization of red mud utilization, and cultivate a batch of red mud comprehensive utilization leading enterprises.
In 2010, Shanxi Province produced 4,315,100 tons of alumina, which accounted for about 14% of China's total production. It produced about 4.93 million tons of red mud, which accounted for about 10% of China's annual output of red mud. At present, the comprehensive utilization rate of red mud in Shanxi Province Less than 1%, the cumulative amount of red mud totaled 36.09 million tons, and all open storage, most of the dam dam site built with red mud. The content of rare earth elements in the red mud in Shanxi Province is relatively high, and the content of antimony elements is 2-3 times higher than the economic reserves. It is a valuable resource. The extraction of rare earths and scarce metals from alumina red mud resources has high economic value and strategic significance.
It is reported that in view of the comprehensive utilization of red mud, alumina production enterprises such as Shanxi Luneng Jinbei Aluminum and Chinalco Shanxi Branch have carried out various researches on comprehensive utilization technologies, and a few products have already begun to be applied for industrialization. The relevant person in charge of the Shanxi Provincial Economy and Information Committee stated that during the “12th Five-Year Plan†period, Shanxi Province will establish and improve support policies for the comprehensive utilization of red mud, increase financial support, and start demonstration projects for comprehensive utilization of red mud. The existing funding channels, investment and financing policies and other aspects to provide support to promote the comprehensive utilization of red mud advanced technology and complete sets of industrial equipment.
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