Method for the production of liquid sulphur dioxide

Details Method for the production of liquid sulphur dioxide Method for the production of liquid sulphur dioxide

B - Operations, Transporting

01

D

23/121, 23/349

B01D 53/14 (2006.01) C01B 17/60 (2006.01)

Patent

CA 1045785

A B S T R A C T O F T H E D I S C L O S U R E Method for the production of liquid sulphur dioxide The method of recovering liquid sulphur dioxide from gases containing sulphur dioxide by washing with water in an absorption plant and then stripping off absorbed sulphur dioxde at sub- atmospheric pressure. Water is removed from the stripped gases by cooling and drying and sulphur dioxide is removed by condensa- tion. The whole system is kept at a subatmospheric pressure by pumping off residual gases after the sulphur dioxide condensation.

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