In wastewater treatment, flotation is used principally to remove suspended matter and to concentrate biosolids.
在废水处理中，浮选主要用来去除水中的悬浮物和浓缩生物颗粒。
The utilization of mixtures of fly ash and biosolids in soil amendment is suggested to be one of the best methods of solid waste disposal and utilization.
认为粉煤灰与若干有机固体废弃物配施具有良好的土壤改良效果，也是我国固体废弃物处置和利用的最佳途径之一。
As China gradually constructs, and sometimes operates, wastewater treatment works to improve the quality of rivers so biosolids (sludge) will be produced.
对目前正在建设中的中国，偶尔在操作废水处理的工作以改善河流素质的当时也制造了“生物土”(污泥)。
As China gradually constructs, and sometimes operates, wastewater treatment works to improve the quality of rivers so biosolids (sludge) will be produced.
对目前正在建设中的中国，偶尔在操作废水处理的工作以改善河流素质的当时也制造了“生物土”(污泥)。
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