Steel waste pickling liquor is one of hazardous wastes with relatively more output in domestic.

钢材酸洗废液是国内产量较大的危险废物之一。

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Waste strip pickling liquor was used as raw material to produce ultra-fine magnetic particles.

以带钢酸洗废液为原料，利用超声波技术生产超细磁性颗粒进行了研究。

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A process of removing impurity from pickling waste liquor had been developed.

洗废液除杂质的工艺方法进行了试验研究。

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