To extract zinc from high si and Fe zinc oxide ore, a new process consisting of low acid leaching, iron removal and desilication was developed for zinc extraction.
为了从高含硅、含铁等的氧化锌矿中提取锌，设计了低酸浸出、针铁矿除铁并脱硅提锌的新工艺。
The new process has advantages of high zinc leaching rate, short flowsheet, leaching at normal temperature and pressure and no waste solution, suggesting a wide application field and good prospect.
新工艺锌浸出率高，流程短，可在常温常压下浸出，无废液，具有较广阔的应用前景。
The process of producing molybdenum disulfide with natural method has been improved. In the new process, stepwise leaching is substituted for mixed acids leaching.
对天然法生产二硫化钼的工艺进行了研究，提出了以分段浸出代替混合浸出的方案，并进行了实践。
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