Coal tar processing is one of the most important areas of coal chemical technology and a main intermediate ring binding coal mining, metallurgy and chemical industry.

煤焦油加工是煤化工的重要内容之一，与煤炭、冶金和化工等行业密切相关，在世界范围内已有相当规模。

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There is often dust pollution in environments of coal mining, cement production, flour processing and pharmaceutical factory etc.

煤矿开采、 水泥生产、面粉加工、制药等行业长期受到粉尘污染的困扰。

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Gangue, which is a waste from the processing of coal-mining production, has despoiled plenty of land and become one of the largest solid wastes in China.

煤矸石是在煤炭开采过程中产生的废弃物，侵占了大量土地资源，已经成为我国排放量最大的固体废弃物之一；

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Mining more coal for shipment to coal-to-liquid processing plants and fuel customers would reverse the slide, potentially welcome news for shareholders of Burlington Northern, Norfolk Southern and other rail companies.

FORBES: Magazine Article

Mining more coal for shipment to coal-to-liquid processing plants and fuel customers would reverse the slide, potentially welcome news for shareholders of Burlington Northern, Norfolk Southern (nyse: NSC - news - people ) and other rail companies.

FORBES: Coal's Many Friends