在气浮新工艺中，加灰的作用不太明显。
In the new floating clarification technology, the effect of liming is not significant.
灰分对原煤和酸洗脱灰煤的作用机理不同，且加灰后都在不同程度上改变了氮的分配。
The react mechanism is different for raw coal and demineralized coal and ash may change the distribute profile of coal nitrogen in a degree.
对四种无机阳离子澄清剂进行了室内气浮清净试验，并进行了加灰与不加灰的对比试验。
Four inorganic positive ion clarificants were studied indoor for floatation clarification in this paper. At the same time, we compared the results of liming and not liming.
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