Decolorization of alkanolamines and alkyleneamines

Details Decolorization of alkanolamines and alkyleneamines Decolorization of alkanolamines and alkyleneamines

C - Chemistry, Metallurgy

07

C

C07C 215/14 (2006.01) C07C 209/84 (2006.01) C07C 211/14 (2006.01) C07C 213/10 (2006.01)

Patent

CA 2116195

Color-containing alkanolamines or alkyleneamines, having color numbers of up to 300 PtCo or higher, can be treated with inorganic solid acidic catalysts. Inorganic support materials having bonded inorganic acid functionalities may be used as the inorganic solid acidic catalysts. In the presence of water, these inorganic solid acidic catalysts produce decolorized alkanolamines or alkyleneamines having color numbers of 20 PtCo or less. The process of decolorization can be carried out in batch or continuous anode processes thus providing low cost, high quality and high purity end products.

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