Gold from the hottest coal gangue is processed int

2022-08-08
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The "gold" extracted from the coal gangue is processed into glass to turn waste into treasure

after many processes such as crushing and soaking, the valuable elements such as aluminum, silicon, iron, titanium and magnesium contained in the black coal gangue are extracted, and the remaining slag is processed into bright glass. This is the scene seen in an interview with Guizhou Panxian zisenyuan group recently

Xia Jupei, the designer of this production line and professor of the school of chemical engineering of Kunming University of science and technology, said that the production line can process 5000 tons of coal gangue annually, and the recovery rate of aluminum and iron can reach 92% and 97%. About 150 kg of iron red, 250 kg of aluminum hydroxide, 40 kg of metal titanium and 600 kg of silicon can be produced per ton of coal gangue. Calculated at the current market price, the profit can be more than 400 yuan

Coal gangue is a waste in the process of coal production, which not only occupies a lot of land, but also causes pollution by escaping or soaking 4. The sulfide from the output result has always been a chronic problem for coal enterprises and coal producing areas

Liupanshui, Guizhou Province is known as the "coal sea in the south of the Yangtze River". Although it has advantageous resources, it produces millions of tons of coal gangue every year. In recent years, the city has increased its scientific research on the reuse of coal gangue, but it is only limited to the fields of power generation, clay brick making and ground filling materials. The products are single and the added value is low. Fanzhongyun, chairman of zisenyuan group, told them that they had made great efforts in the resource utilization of production waste, and cooperated with the research team of Kunming University of technology on the resource utilization of coal gangue to build a "pilot production line for the comprehensive utilization of 5000 tons of coal gangue per year"

Li Zaiyong, Secretary of Liupanshui municipal Party committee, told that the resource utilization of coal gangue has saved the production cost of enterprises, made the production waste "turn waste into treasure", and achieved a win-win situation of economic and social benefits

under the internal economic cycle of the global glass () department,

in April 2021, China Chengdu Construction Expo will talk with you about the opportunity for the industry to give new play to the role of the office of the national leading group for the development of new materials industry.

in 2020, with the outbreak of the global epidemic to the effective control of the prevention and control of the domestic epidemic, the global economic pattern has also undergone great changes, and China is gradually [details]

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