煤炭洗选加工采用物理或化学或物理化学方法机械方法加工清除煤炭在生成开采运输过程中混入的杂质排除煤中矿物杂质和有害元素,(如灰分矿......或重油混合制成煤水浆或煤油浆燃料煤炭经过加工可以更好地适合冶金发电民用等方面的需要节省运费减少环境污染提高煤炭热能利用率和增加品种和经济效益的目的
我国煤炭洗选加工相对落后，煤炭加工设备的利用率低。
Process of coal washing falls behind in our country. The utilization ratio of the processing equipments is low.
增加一条，作为第二十四条：“国家推行煤炭洗选加工，降低煤的硫份和灰份，限制高硫份、高灰份煤炭的开采。”
One article is added as article 24: "the State promotes the dressing of coal by washing to reduce the sulfur and ash in coal, and restricts the mining of high-sulfur or high-ash coal."
应加强煤中硒在煤炭洗选、气化等加工和利用过程中迁移转化规律的研究。
The studies on migration and evolution of selenium during preparation and gasification of coal should be strengthened.
应用推荐