Synthesis of an overbased detergent from sludge coming from...

Details Synthesis of an overbased detergent from sludge coming from... Synthesis of an overbased detergent from sludge coming from...

C - Chemistry, Metallurgy

07

C

C07C 309/31 (2006.01) C07G 99/00 (2009.01) C07C 303/32 (2006.01) C07C 319/20 (2006.01) C07C 323/20 (2006.01) C10M 159/22 (2006.01) C10M 159/24 (2006.01)

Patent

CA 2326149

A process for using sludge formed in the preparation of a high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate, wherein the sludge is treated with an acidic reactant to convert large particles of the alkaline earth metal salt in the sludge into calcium sulfonate, then is reacted with an excess of alkaline earth base and either alkylaryl sulfonic acid or alkylphenol to produce a reaction product, which could be a low or high overbased alkylaryl sulfonate or overbased sulfurized alkylphenate.

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