利用工业废铁泥制备α-FeOOH 关键词]铁泥；or一羟基氧化铁；空气氧化法；综合利用 [gap=817]Key words：iron sludge；0[一iron oxide hydroxide；air oxidation process；comprehensive utilization
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温度越低， 铁泥沉淀速度越慢；
The lower the temperature is, the slower the sludge sedimentation velocity is.
本文还进行了回收铁泥试验。
考察了影响铁泥酸溶、煅烧等过程的各种因素。
The factors which influenced the acid-soluble process of iron mud and calcination were thoroughly investigated.
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