Application of membrane technologies in the pharmaceutical industry
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1Chemical Engineering, Chemistry and Environmental Sciences, Center for Membrane Technologies, New Jersey Institute of Technology, Newark, NJ 07102, USA. sirkar@adm.njit.edu
Abstract:
Membrane technologies are increasingly becoming useful components of pharmaceutical production processes. For some time, membrane separation technologies of reverse osmosis, ultrafiltration and microfiltration have been used to concentrate and purify both small and large molecules. More recent applications of membrane technologies cover a broad range of separation, concentration and purification needs. For example, pharmaceutical waste streams can be treated by nanofiltration or pervaporation to detoxify them and/or reduce the volume of waste requiring incineration. Solvent vapors can be removed/recovered from nitrogen/air emission by vapor permeation. Enantiomeric/ other isomeric mixtures can be separated by liquid membranes or membrane-based multi-phase extractive enzymatic resolution. Nanofiltration or pervaporation can be used to enhance synthesis reaction conversion. High performance tangential flow filtration can be used to fractionate protein mixtures whose molecular used to integrate clarification and chromatographic processes for downstream processing of biomolecules. This review attempts to provide a perspective of these developments in laboratories, pilot plants and commercial applications.
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