Process for the production of stable aqueous suspensions of...

Details Process for the production of stable aqueous suspensions of... Process for the production of stable aqueous suspensions of...

C - Chemistry, Metallurgy

01

B

C01B 17/05 (2006.01) B01D 53/52 (2006.01)

Patent

CA 2641135

Process for the production of stable sulphur suspensions starting from hydrogen sulphide contained in fossil fuels comprising: a.oxidizing an aliquot of hydrogen sulphide to sulphur dioxide; b.dissolving the sulphur dioxide thus produced in brackish water or sea water; c.effecting the reaction (I) : 2H2S + SO2 .fwdarw..fwdarw.3S + 2H2O by putting the remaining hydrogen sulphide in contact with the solution prepared in step (b); and d. removing the suspension thus obtained.

La présente invention concerne un procédé de production de suspensions de soufre stables à partir de sulfure d'hydrogène contenu dans des combustibles fossiles. Ce procédé consiste a) à oxyder une partie aliquote de sulfure d'hydrogène en dioxyde de soufre, b) à dissoudre le dioxyde de soufre ainsi produit dans de l'eau saumâtre ou de l'eau de mer, c) à mettre en oeuvre la réaction (I) : 2H2S + SO2 .fwdarw..fwdarw.3S + 2H2O (I) par mise en contact du sulfure d'hydrogène restant avec la solution préparée dans l'étape b), puis d) à retirer la suspension ainsi obtenue.

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