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。
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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