Oxidation-reduction reagents for a wet desulfurization...

C - Chemistry – Metallurgy – 01 – B

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252/23, 260/236.

C01B 17/02 (2006.01) B01D 53/14 (2006.01) C07D 401/12 (2006.01) C07D 417/12 (2006.01) C10K 1/12 (2006.01)

Patent

CA 1132980

SPECIFICATION Title of the Invention . Oxidation-reduction Reagents for a Wet Desulfurization Process and a Process for Preparing Same Abstract of the Disclosure: An oxidation-reduction reagent for a wet desulfurization process, which comprises (a) one or more compounds selected from the group consisting of salts of substituted anthraquinonesulfonic acids of the general formulas: Image (I) and (II) Image wherein M stands for a sodium atom, a potassium atom or an ammonium group, and n is an integer of 1 or 2, or (b) a mixture of a salt of anthraquinone-2,7-disulfonic acid and one or more compounds shown by the general formula (I) and/or (II), as well as a process for preparing the compounds of the general formulas (I) and (II). - 1 -

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