According to special construction requirements on phosphate sludge in blast furnace, the experimental preparation of phosphate sludge was reviewed.
针对高炉用磷酸盐泥浆的特殊施工要求，叙述了磷酸盐泥浆的试验研制过程。
2
Experiments of sewage sludge pyrolysis were performed in a resistance furnace.
采用电阻炉对污水污泥进行热解产气实验。
3
The valuable metals, such as zinc and bismuth in the blast furnacesludge can be recovered by wet metallurgy technology to produce zinc oxide and bismuth oxychloride.