Method of removing aluminium-containing catalyst from phenol...

Details Method of removing aluminium-containing catalyst from phenol... Method of removing aluminium-containing catalyst from phenol...

C - Chemistry, Metallurgy

07

C

260/624.5

C07C 39/06 (2006.01)

Patent

CA 1083181

Abstract Method of removing aluminium-containing catalyst from phenol alkylation products comprises treating phenol alkyla- tion products with water at a temperature of 165-250°C, with water being in molar excess to aluminium in a range of 3-20. The resulting residue of meta-aluminate is easily separated by filtration. The present invention allows eliminating constant control of aluminium content in alkylation products, easily removing the catalyst therefrom and eliminating the loss of phenol alkylation products.

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