The aluminum alloy technology developed by Chinalco's research and development method has been certified by industry associations. The overall technology is at the international leading level in the current joint processing of low-grade bauxite technology.
This technology has tapped the potential of the new and old Bayer process system of alumina, and overcomes the disadvantages of long process, high consumption, high energy consumption and high cost of the hybrid process. It is the first time in China to overcome the industrial technical difficulties of low aluminum-silicon composite clinker sintering. The clinker-to-silicon ratio decreased to an average of 1.6 or less. For the first time, the sintering process crude oil and Bayer process dissolution co-integration process technology were used, and 9 processes such as de-siliconization and carbon removal of the crude liquid in the sintering process were eliminated, which simplified the production process of the sintering process. Achieve efficient and low-cost production.
After the technology is applied in industry, compared with the original mixed-mixing process, the process energy consumption is reduced by about 20%, the manufacturing cost per ton of alumina is reduced by 10%, and the economic and social benefits are very significant, in order to make full use of the domestic low-grade bauxite resources. It is of great significance to promote energy saving and emission reduction in the alumina industry, improve the core competitiveness of enterprises and achieve sustainable development.
This technology has tapped the potential of the new and old Bayer process system of alumina, and overcomes the disadvantages of long process, high consumption, high energy consumption and high cost of the hybrid process. It is the first time in China to overcome the industrial technical difficulties of low aluminum-silicon composite clinker sintering. The clinker-to-silicon ratio decreased to an average of 1.6 or less. For the first time, the sintering process crude oil and Bayer process dissolution co-integration process technology were used, and 9 processes such as de-siliconization and carbon removal of the crude liquid in the sintering process were eliminated, which simplified the production process of the sintering process. Achieve efficient and low-cost production.
After the technology is applied in industry, compared with the original mixed-mixing process, the process energy consumption is reduced by about 20%, the manufacturing cost per ton of alumina is reduced by 10%, and the economic and social benefits are very significant, in order to make full use of the domestic low-grade bauxite resources. It is of great significance to promote energy saving and emission reduction in the alumina industry, improve the core competitiveness of enterprises and achieve sustainable development.
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