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The second webinar in the series examines polymeric membrane fabrication by different manufacturing processes, namely phase inversion (NIPS and TIPS), and stretching. The resulting membrane morphology and the various options to modify the basic membrane by inclusion of additives, or by post treatment, or by coating are then discussed. This will be followed by a detailed discussion of membrane characteristics including a comparison of surface charge, pore size distribution and performance. Typical fibre dimensions and potting issues are then explored for the different membrane formats, ie whether the feed is provided to the inside or the outside of the fibre. The content can be summarized as follows: • Membrane fibre manufacture • Membrane characteristics • Module formation and potting characteristics
Dr Graeme K Pearce holds a degree in chemistry and a doctorate in chemical engineering from the University of Oxford, and is the Principal at his own consulting firm, Membrane Consultancy Associates (MCA) founded in 2005. MCA specializes in advice on membrane filtration technology and provides consulting services covering a range of issues including performance review, problem solving, acting as an expert witness, market analysis, strategy review, and technical advice for investors. Graeme has 40 years’ experience in the membrane field having undertaken technology and strategic development roles at BP, Kalsep, and Hydranautics prior to consulting. He is well known in the field of water and membranes through publications including numerous papers and book contributions. He is also the sole author of ‘UF/MF Membrane Water Treatment’, published by TechnoBiz. Graeme has conducted many workshop training sessions, has been a conference chairman and a regular conference session chair, as well as giving numerous keynote lectures and other papers. For further information see www.membraneconsultancy.com.
