A beneficial approach was carried out to some technique such as high temperature absorption, low level heat utilization and mercury removal from smeltergas.
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。
2
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。
3
The Paper introduces the selection of transforming process of acid making with gas in a small-sized copper smelter.