通过DTA和TG结合X 射线衍射分析的方法，将硫化铜精矿加碳酸钙焙烧与硫化铜精矿焙烧的反应机理进行了对比研究。
The roasting process of copper sulfide concentrate in the presence of calcium carbonate is studied by using the differential thermal analysis (DTA), thermogravimetric (TG) and X-ray diffraction.
采用DTA ，TG结合X -射线衍射分析，对硫化铜精矿的焙烧的动力学进行了研究。
The roasting kinetics of copper sulfide concentrate is investigated with the differential thermal analysis (DTA), thermo-gravimetry (TG) and X-ray diffraction (XRD).
研究表明：硫酸钠对多金属硫化精矿硫酸化焙烧和浸出具有促进作用。
The present study shows the sodium sulfate has promoting effects on the sulfating roasting of sulfide ore and on the metal leaching of roasted ore.
副产物硫化铜经氧化焙烧生成氧化铜，循环使用于下一次合成中。
The byproduct copper sulfide was transformed into copper oxide by roasting, which was cyclically used in the next syn - thesis.
该方法是将金精矿加入硫化钠后进行焙烧预处理，可有效地提高金、银、铜的回收率。
The method that the gold concentrate adding sodium sulfide is roasted could effectually raised the recoveries of gold, silver and copper.
硫化锌精矿焙烧矿的中性浸出渣常含有锗等有价元素，常规低酸高酸两段浸出流程锗的直收率低。
Neutral leaching residue of roasted zinc concentrate often contains germanium which is poorly recovered in conventional two-stage leaching.
然后对其在湿法炼锌中的硫化锌精矿焙烧、锌焙砂浸出、硫化锌精矿直接浸出等方面应用取得进展进行综述。
The progress of its application on roasting zinc concentrate, leaching zinc calcine and leaching zinc concentrate directly are summarized separately.
然后对其在湿法炼锌中的硫化锌精矿焙烧、锌焙砂浸出、硫化锌精矿直接浸出等方面应用取得进展进行综述。
The progress of its application on roasting zinc concentrate, leaching zinc calcine and leaching zinc concentrate directly are summarized separately.
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