可以采用特殊的溶剂对废催化剂进行脱碳和脱硫预处理，以代替高温焙烧预处理。

Special solvents can be used to decarbonize and desulfurize waste catalysts to replace the high-temperature roasting pretreatment process.

youdao

本发明不需脱硫，减少了焙烧环节，冶炼中无有害气体产生，无污染。

Said invention has no need of sweetening so the roasting link is saved, there are no harmful gas and pollution in smelting.

youdao

精矿 焙烧脱硫过程中烟气污染和资源浪费严重。

The fume pollution and resource waste were very serious during desulphurizing of Moly concentrate.

youdao