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针对含油污泥的物性，采用改性复配方法研制了双组分污泥浓缩剂：NSJ－l（A）及NSJ－l（B），并对浓缩机理进行了初步探讨。现场应用结果表明，该浓缩剂可使沉降污泥脱水率达问％以上，便于离心脱水，从而使污泥无害固化处理成本明显降低。
Aiming at the physical properties of oily sludge, two-component sludge concentrates, NSJ-1 (A) and NSJ-1 (B), were prepared by modified compounding method. The field application results show that the concentrate can make the dewatering rate of the sedimentation sludge reach over%, which is convenient for centrifugal dewatering, so that the cost of the sludge harmless curing treatment is obviously reduced.