Patent ID: 8394277
Filing Date: 2013-03-12
Classification: B01D,B01J,C12P

Abstract:
1. A process for removing at least a portion of the furfural and acetic acid in a first stream comprised of water, C5's, C6's, and at least one compound selected from the group consisting of acetic acid and furfural, said process comprising the steps of contacting the stream with an adsorption media which has been previously contacted with a second stream comprised of the same components and the adsorption media has been regenerated by exposing it without being in contact with the second stream to conditions such that at least 70% of the adsorbed furfural and acetic acid have each been desorbed and at least 60% of the C5's and C6's remain adsorbed on the media, wherein said media is an activated carbon or a high surface polymer.