The system adopted two-stage ammonium process to produce liquid sulphur dioxide and ammonium bisulphite.

尾吸系统采用二段氨法生产液体二氧化硫和亚硫酸氢铵。

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The system adopted two-stage ammonium process to produce liquid sulphur dioxide and ammonium bisulphite.

尾吸系统采用二段氨法生产液体二氧化硫和亚硫酸氢铵。

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