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We are looking at a novel catalyst support. It is a modified activated carbon with extremely high hardness and resistance to catalyst poisoning. It can be used for both hydrogenation and oxidation reactions. The use in oxidation reactions is obviously temperature limited. Can anyone suggest...

My information is that the Smart Chemical pervaporation business was sold to Alan Cobham Engineering, Ltd. Their web site is http://www.alancobham.co.uk/prodmain.htm I don't believe they are using the Smart equipment but still design and supply systems with externally supplied components.

Dear Pierre I do not have a specific application. I am putting together information on the options in this area for the US EPA. However, we have had little and apparently erroneous information on the costs of the polymeric membranes. This is still confounded by the variation in costs of these...

Dear Pierre Thanks for the information. That does give a different perspective. Jim

I have estimated pricing of $150/sq.ft.($1630/sq.m.) as typical of lowest prices for PVA membranes, which seems expensive. Is this estimate wrong? If so, what should the range be? Thanks.

Other than the membrane suppliers(Mitsui, Sulzer and Pervatech), who designs and supplies these units? Other than the high costs of the membrane materials, are there reasons to avoid use of pervaporation?