Enzyme stability in downstream processing. Part 2: quantification of inactivation |
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Authors: | Weijers S R Van't Riet K |
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Institution: | TNO-Institute of Production and Logistics, Eindhoven, The Netherlands. |
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Abstract: | In biotechnological recovery processes the instability of the product can lead to large losses in the sequence of recovery processes needed to purify the product. As the cost of the final active product is strongly dependent on the recovery yield, this will lead to an increase in product cost. Therefore knowledge of factors that influence stability is important. This Part 2 provides the basic principles for design and operation of processes in which inactivation takes place. Simple kinetics and reactor modelling are discussed. These are applied to a number of unit operations: cell disruption, membrane filtration, drying and reversed micellar extraction. It is thus shown that the basic tools for modeling of biochemical processes provide us with the data needed for optimal process design and operation. |
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