C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 17/04 (2006.01) B01D 53/48 (2006.01) B01D 53/50 (2006.01) C01B 17/60 (2006.01) C01B 17/74 (2006.01) C01B 17/76 (2006.01)
Patent
CA 2152079
A method of treating a flow of gas containing oxidized sulphur compounds, such as an exhaust gas from coal combustion, comprises the steps of (i) treating the flow of gas to obtain a first component flow containing at least 30 % of the total oxidized sulphur compounds and a second component flow containing at least a part of the remainder of the total oxidized sulphur compounds; (ii) converting the first component flow into a concentrated gas containing oxidized sulphur compounds at at least 2.5 % by volume; (iii) converting oxidized sulphur compound in the second component flow into hydrogen sulphide; and (iv) supplying the concentration gas of step (ii) and the hydrogen sulphide of step (iii) to an apparatus for manufacturing one of sulphuric acid, condensed sulphur dioxide and elementary sulphur.
Den Hartog Adrianus Johannes
Greefkes Johannes
Hoogovens Staal B.v.
Ridout & Maybee Llp
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