This paper describes the technological process, operating conditions, production practice and technical improvement of calcineleaching in zinc circuit.
介绍了锌系统焙砂浸出的工艺流程，操作条件，生产实践及技术改进。
2
The industrial tests show that the jarosite process can be used to handle the zinc calcine with high concentration of Sb by controlling the leaching rate of Sb in the neutral leaching process.
扩大试验验证，控制锑在中性浸出过程中的浸出率，黄钾铁矾法可以处理含锑高的锌焙烧料。
3
The effects of the calcine size, leaching temperature, leaching time and solution-solid ration no the leaching rate of the sodium chromate in the chromium calcine are investigated.