A beneficial approach was carried out to some technique such as high temperature absorption, low level heat utilization and mercury removal from smelter gas.

还对某些问题进行了有益的探索，如高温吸收、低位热能利用、烟气除汞等。

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As demonstrated by many cost studies, the production of sulphuric acid remains the most viable option of sulphur recovery from smelter off-gas and abatement of SO2 emissions to the atmosphere.

大量的费用研究证明，生产硫酸仍然是从冶炼烟气中回收硫和减少SO 2排放的首选方案。

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The Paper introduces the selection of transforming process of acid making with gas in a small-sized copper smelter.

介绍了小规模铜冶炼厂的烟气制酸转化工艺的选择。

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