Process for purifying crude glycerol

Details Process for purifying crude glycerol Process for purifying crude glycerol

C - Chemistry, Metallurgy

07

C

182/15.4

C07C 29/76 (2006.01) B01D 61/14 (2006.01) C07C 31/22 (2006.01)

Patent

CA 1329782

Abstract The invention provides a process for purifying crude glycerol such as splitters crude, soaplye crude and methanolysim crude which comprises a microfiltration step over a filter material on a ceramic support preferably comprising alumnia. Preferably the filter material comprises zirconia and/or alumina. Preferably the process further comprises the step of distillation and/or treatment with ion exchange resins. Also the process may involve a combination of microfiltration and ultrafiltration.

607783

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