采用氧化铁法对秸秆气进行脱硫，不仅提高能源的利用率，而且减少了污染。
For sulphur removal, a method of ferric oxide is used. It not only enhances utilization ratio of energy, but also reduces pollution.
介绍了热酸浸出黄钾铁矾工艺的生产实践，对氢氧化铁法和黄钾铁矾法两种除铁方法进行了比较。
This paper covers production practice of jarosite process in hot-acid leaching and comparison between iron hydroxide process and jarosite process that are used for iron removal.
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