sludge ore
污泥矿石
以上为机器翻译结果，长、整句建议使用 人工翻译 。
By using chromium containing sludge as sinter ore, not only chromium pollution of environment was solved, but also resources of Fe and Cr in the sludge were recovered.
将含铬污泥配入烧结原料进行烧结不仅消除了铬污染，而且还可以回收其中的铁、铬资源。
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