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News and Views associated raw water break tank, pump, dosing set and prefflter. To handle the output from the Gemini 450, Elga is supplying a 9000 litre capacity, nitrogen blanketed, treated water tank distribution ring main, together with associated UV sterilization and filtration equipment, pumps and cylinders. Design capacity of the system is 3000 litres per hour of treated water. Further information from: Sally Wright, Elga Ltd, High Street, Lane End, High Wycombe, Bucks, HPI 4 3JH, UK. Tel: 0494 881393. Fax: 0494 881007. Corning buys stake in Exxon unit Corning Inc will buy one-third of CeraMem Separations Inc according to a report in BufJhlo News, of Buffalo, New York, USA. The company, an Exxon Corp joint venture, makes membrane filters used by the petrochemical, food and waste water industries to decontaminate liquids. No purchase price has been disclosed. CeraMem's filters, made with Coming ceramic honeycombs, are also used by electric utilities and industrial manufacturers to strain pollutants from their gas emissions. The company, whose sales last year were about US$1.5 million, stands to benefit from US clean air and water legislation passed in 1990, said Corning spokesman R.W. De Maillie. contact with process fluid and eliminates messy change-out procedures. The Maglcblock fluid control system (Canadian patent 1 320 140) is a component of the Osmo Orion and other reverse osmosis machines manufactured by Osmonics. The maglcblock simplifies internal piping and features preset flow control that optimizes and balances the flow over the membrane for maximum membrane performance. Further Informatlon from: Osmonlcs, Inc, 5951 Clearwater Drive, Minnetonka, MN 55343-8990, USA. Tel: +1 612 933 2277. Fax: +1 612 933 0141. Canadian patents issued for 3 Osmonics products Osmonics has recently obtained Canadian patents for three of its products: the SPIRATREX TM point-of-use TM filtration system, the SPIRALTEK dry sump filter and the MAGICBLOCK TM fluid control system. The Spiratrex point-of-use system (Canadian patent 1 320 143) uses ultraffltration or microffltration spiral-wound membrane in a unique cartridge for the economical production of high purity water. These membrane cartridges provide high flow rates and high rejection, says Osmonics. The Spiraltek dry sump filter (Canadian patent 1 319 622) is a self-contained, polypropylene rolled filter used for filtering corrosive, hazardous or highly viscous fluids. The filter is encapsulated in a disposable housing which protects the operator from 1 /: Canadian patents issued for 30smonics products. 4 Membrane Technology No. 46
