C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/221, 134/45
C10G 29/24 (2006.01) B01D 17/02 (2006.01) B01D 17/04 (2006.01) B01D 53/14 (2006.01) C02F 1/26 (2006.01) C09K 8/36 (2006.01)
Patent
CA 2024028
DESCRIPTIVE ABSTRACT "New water-in-oil emulsions and their use in the elimination of hydrogen sulphide". Water-in-oil emulsions containing by weight about : 20 to 80 % of a dispersed aqueous phase containing about 20 to % of one or more aldehydes chosen from the group constituted by formaldehyde, glyoxal, glutaraldehyde, glycolaldehyde or glyoxylic acid and 80 to 30 % of an aqueous solution containing 90 to 100 % water and 10 to 0% of a buffer agent pH = 5.5 + 1.5; and 80 to 20 % of a continuous oil phase containing about 90 to 99 % of one or more saturated and liquid C6 - C16 hydrocarbons, and 10 to 1 % of an emulsifying system constituted by one or more water-in-oil emulsifying agents and process for the elimination of hydrogen sulphide.
Riches Mckenzie & Herbert Llp
Societe Francaise Hoechst
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