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Coal-fired capacity installed in 1985 will equal only 60% of that added in 1970. Gas-burning steam plants, which will main- tain a fairly steady rate of installation through the 1970s, will be limited primarily to gas-producing areas in the South Central United States, while areas remote to gas fields show a decreasing gas market share ...

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10.1016/j.ecoenv.2014.05.023 | DeepDyve

Mining activities release large amounts of substances that can form complex mixtures containing CO x, NO x, SO x, aluminum silicon crystals, quartz, metals (arsenic, boron, cadmium, chromium, lead, copper, selenium, iron, and zinc), and polycyclic aromatic hydrocarbons (PAH) into the environment ( Zhou et al., 2005 ). The main route of coal ...

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Mar 1, 2021A coal transportation port in Fujian, due to the huge amount of imported and exported coal in the port, the closed coal storage bin is not enough to store the port's imported and exported coal storage. Therefore, an open-air coal storage site is used. The dust situation is bad, which seriously damages the ecological environment of the area and ...

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The spray nozzle was a single water swirl nozzle often used in coalmines. The atomizing form was an X shape diversion core flaring fitting with diameter of 2.4 mm. The spray pressure was set to 8 MPa, according to the general spray pressure used in China's coal mining equipment. In the simulation, the dust was emitted by a coal dust aerosol ...

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