性状：褐色微颗粒状固体 锌焙砂图片制取：锌焙砂是锌精矿经焙烧后所得的产物，主要含氧化锌，硫酸锌，硫化锌等 用途：中间产品，是生产直接法氧化锌、电解锌、电炉锌粉等生产原料
锌焙砂含有少量难溶的铁酸锌，通过还原焙烧可以降低铁酸锌含量。
Zinc calcine contains a small amount of refractory zinc ferrite that can be reduced by reduction roasting.
以锌焙砂为原料，经氨浸，除杂，沉锌，干燥，煅烧等工序制取了活性氧化锌。
Using zinc oxide mine as a raw material, activated zinc oxide can be produced by ammonia leaching, getting rid of impurity, depositing zinc, drying and calcining.
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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