Mobile reed filter system

Mobile reed filter system

Drug company opts for ROover deionisation A new reverse osmosis (RO) treatment system from Osmonics has recently been installed by a leading pharmaceu...

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Drug company opts for ROover deionisation A new reverse osmosis (RO) treatment system from Osmonics has recently been installed by a leading pharmaceutical company at their East Coast facility. The pharmaceutical manufacturer replaced an existing deionization (DI) system with a two-pass RO system. According to Osmonics, the 5 gpm (19-L) RO system produces water that consistently meets the United States Pharmacopoeia (USP) 23 Purified Water criteria. The system consists of a dual-media filter, water two-pass RO softener, machine to feed an existing distillation system. The twopass RO machine contains OSMO USPG membrane elements. These Class VItested elements have been specifically designed for pharmaceutical applications with a full-fit configuration that minimizes deadUnlike flow areas. conventional PVC tubing, the 316L stainless steel electropolished permeate tubes in the elements reduce bacteria adhesion to the pipe surface and potential leaching from the permeate tube material. All I

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Wet process for gas filtration

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Dutch group HT Research based in Ens, The Netherlands, has developed a mobile water purification system for users which discharges waste water into the surfacewater. The system, Colatus, is based on the principle of a helophyte filter (reed filter). It is not dug into the ground, however, but installed in a speciallydeveloped compact liquidtight container, rendering it thoroughly mobile and ready for use anywhere. HT Research state that the degree of purification in combination with its mobility means that Colatus is suitable for a multitude of applications. HT say that the purified water can be reused for irrigation or as rinsing water for WC units, and is ideally suited for use in plans for “second water supply systems” in households. HT Research BV, PO Box 17, 8307 ZG’ Ens, The Netherlands. Tel: +31 527 251057; fax: +31 527 251788. E-mail: wintersa @ wor!donline.nl.

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branes are specified in a wide range of life science environmental, medical, research and laboratory applications. Osmonics state that these polycarbonate and polyester membranes are true screens with all the traditional characteristics of screens such as surface, low non-specific binding, negligible extractables, biological inertness and other unique properties. Osmonics, 595 I Clearwater Drive, Minnetonka, MN 55343-8995, USA; Tel: +I 800 848 1750; fax: +I 612 933 0141. Internet: www.osmonics.corn.

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components of the USPG membrane elements are manufactured from FDAacceptable materials. By replacing the DI system, the pharmaceutical system eliminates regeneration costs and the risk of bacterial growth in the DI beds. In a separate development, Osmonics have also announced that their Poretics polycarbonate and polyester screen membrane filters have passed the USP Class VI testing for biosafety. Certification is available to users requiring this clearance for their processes or experiments. The Poretics screen (capillary pore) mem-

Mobile reed filter system

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Air pollution control specialists, Hosokawa Mikropul (HM), based in Cheshire, UK, has introduced new technology which they claim will enable the efficient separation of the finest liquid or solid particles from gases even when particle sizes are below 1 urn. Efficiency is increased by the generation of a liquid film on the inner tube surface which forms the collection electrode. The continuously draining liquid film functions as an electrical earth, which means the tube can be made from non-conducting materials such as plastics. Compared to dry processes for the separation of particles from gases, the HM Wet Electrostatic Precipitator offers higher collection effi-

ciencies, as the build up of sticky particles on the continuously self-cleaning electrode is eliminated. HM state that the high throughput compact Wet Electrostatic Precipitator exhibits low energy consumption and operating costs, and can operate continuously without the need for standby equipment, therefore reducing down time. HM envisage a number of diverse applications for this technology including, the chipboard and glass fibre industries, hazardous medical waste or crematorium incineration plants, car disintegrators, iron, steel and rolling mill plants, soil regenerations and sulphuric acid or pigment production.

Hosoka wa Mikropul, Rivington Road, Whitehouse Industrial Estate, Runcorn,

Cheshire WA7 305, UK. Tel: +44 1928 755100; fax: -1-44 1928 714325.