废煤堆 culm and gob banks
废煤产品 waste coal product
废煤炭灰再利用 coal ashes utilization
选煤厂废渣 cleaning rejects
选煤废水 coal preparation waste water ; coal dressing waste water
洗煤废水 coal-washing wastewater ; washing coal wastewater
煤气废水 coal gasification wastewater ; gas wastewater ; coal gas waste
煤矿废料 colliery spoils
第二部分内容采用混合乳化剂和超声乳化法，以炭素厂废煤沥青为原料生产沥青乳化燃料。
In the second part, with the mixed emulsifier and the method of ultrasonic emulsification, the waste coal tar pitch was used to produce emulsified fuel.
一个典型的煤电厂每烧3份的煤可以产生1份的电；其余的热量全部作为废热排出去了。
A typical coal-fired plant burns three lumps of coal to produce one lump's worth of electricity; the rest goes up the chimney as waste heat.
说明这种类型的锅炉对以煤为原料制气的氮肥厂是一个综合利用的好项目，既节能又利于三废冶理。
The use of this type boiler is a good idea for energy saving and environment protection to the nitrogen plant using coal as a feed.
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