China's circular economy grows (2)

The Tashan circular economy park is the earliest one built with the most complete coal industry chain in China. 3 industry chains were established: coal with electricity, coal with chemical industry and coal with construction materials.

Zhang Youxi, chairman of Datong Coal Mine Group, explained the basic concept of the circular economy in the park.

Zhang Youxi, Chairman of Datong Coal Mine Group, said, "The coal cinder and ash are used as material for cement and brick factories. Domestic sewage will be treated and recycled. Waste materials from upstream industries become raw materials for downstream industries. Since the establishment of the circular economy, the environment has been improved. The sky has turned blue again and the air has become fresh."

The Tashan coal mine is the flagship industry in the park. The coal mining method has been enhanced greatly in recent years. The company has especially adopted an independently-developed comprehensive mining technology. The recovery ratio of coal mine has been largely increased.

Shi Ruiqin, Party Secretary of Tongmei-Datang Tashan Coal Mine Co., said, "Raising the recovery ratio of coal resources is dependent on two aspects. One is technology and the other is equipment. We use the most advanced technology to exploit coal resources. The recovery ratio of a thick coal seam used to be about 50 percent. Now that number is up to about 90 percent."

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