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.

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。

youdao

He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product.

他试图用苯胺批量制造奎宁，苯胺是一种廉价且容易获得的煤焦油废料。

youdao

Millions of tonnes of carbon dioxide could be prevented from entering the atmosphere following the discovery of a way to turn coal, grass or municipal waste more efficiently into clean fuels.

科学家们发现一种能将煤炭、杂草及城市垃圾更有效地转化为清洁燃料的方法，这或许能阻止成百万吨二氧化碳进入大气层。

youdao

They use biomass fuels like wood,crop waste, animal waste or coal.

VOA: special.2010.02.01

The stream now carries black sediment of waste coal which eventually flows into Lake Kariba.

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But I lived in a pit village and I knew many of the people that were on strike and I knew the way these people had to go out at night to gather waste coal just to keep their houses warm over the winter of '84-'85 and the impact that had on people.

BBC: Margaret Thatcher death: Opinion of her split in Sheffield

But if the material is reclassified as a hazardous waste, coal groups say that coal ash would be irreversibly stigmatized and any ancillary use of it would evaporate.

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