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- Title
Multistage Processing of Tunable Aqueous Polymer Phase Impregnated Resins (TAPPIR®).
- Authors
Kaplanow, Irene; Stecker, Joel; Schembecker, Gerhard; Merz, Juliane
- Abstract
Abstract: A promising concept of aqueous two‐phase extraction (ATPE) is the Tunable Aqueous Polymer Phase Impregnated Resins (TAPPIR®) technology. Thereby, one phase of an aqueous two‐phase system (ATPS) is immobilized inside porous solids, which are then dispersed in the second aqueous phase. Beside extraction performance, the reusability of the impregnated solids for several cycles decides upon the competitiveness of TAPPIR®. Multistage extraction experiments using a polyethylene glycol 4000/citrate ATPS to partition lysozyme were investigated for TAPPIR® and ATPE. A stable impregnation was demonstrated for multiple cycles. Moreover, it was found that multistage extraction processes should not be designed on basis of the first extraction as the yield changes in the following stages.
- Subjects
AQUEOUS polymeric coatings; SALT; PHASE separation; LYSOZYMES; POLYETHYLENE glycol; ACTIVE solids
- Publication
Chemical Engineering & Technology, 2018, Vol 41, Issue 7, p1324
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.201800079