calcine leaching

例句：

1. 1. The process of calcination is crucial for the production of high-quality calcium carbonate.
   煅烧过程对于生产高质量碳酸钙至关重要。
2. 2. During thecalcining leaching stage,the raw materials are heated and treated toremove impurities and convert them intoa more valuable form.
   在煅烧淋洗阶段，原材料被加热并处理，以去除杂质并将其转化为更有价值的形式。
3. 3. The calcination leachingprocess is an essential step in the productionof activated carbon, which is widely usedin water treatment.
   煅烧淋洗工艺是生产活性炭的关键环节，活性炭在水处理中广泛应用。