UNIT OPERATIONS: Separation / Purification
CONTINUOUS CHROMATOGRAPHY PROCESS
A new Chromatography Pilot Plant at Vogelbusch Vienna Premises shows excellent performance in testing various products.
See a 3D view of the pilot plant: |
a novel form of simulated moving bed apparatus ...Based on a new patent Vogelbusch ha s set up a pilot plant at the Vienna premises in cooperation with Concept of Otgen, UT. The invention relates to processes for the selective separation of a mixture of components by means of sorption and desorption and, in particular, to a novel form of simulated moving bed apparatus and method for obtaining more efficient separation of constituents from a liquid. The fully automated, computer controlled plant uses software developed by Vogelbusch.working principle ...The adsorbent bed is enclosed in a single vessel. A circulating liquid stream is continuously passed through the sorbent bed in a closed cycle. Carefully dosed amounts of feedstock and eluent are periodically introduced into the circulating liquid as the separated fractions are removed from it. Multiple distributors and collectors embedded in the sorbent material permit the creation of a simulated moving bed within the single sorbent bed. In consequence, the unavoidable expansion and contraction of the sorbent material during sorption and desorption takes place simultaneously in different zones of the column, thus balancing the pressure in the sorbent bed. This prevents flow restriction due to bed compaction, thus reducing the inlet pressure required and limiting abbreviation of the adsorbent material. advantages of the new system ...
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Last modified: 19.12.03 by HaK