Recessed chamberplates

Recessed chamberplates

DUCTNEWS Activatedcarbon CPL/Miller (Environmental) has launched a range of powdered activated carbons to supplement its range of granular carbons for...

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DUCTNEWS Activatedcarbon CPL/Miller (Environmental) has launched a range of powdered activated carbons to supplement its range of granular carbons for the potable water treatment industry. The company’s powdered product range is headed by Whmcarb UT9, a steam-activated highly-adsorbent product. Lower dosage rates make the use of Flltracarb WP9 more cost-effective than traditional grades, it is claimed. Not only is less carbon used, but additional savings are made on reduced

Improvedtrampoil separationrange Hyde’s range of media bed separators has been designed and developed to overcome the many problems associated with tramp oil contamination in soluble cutting oils and industrial washing machines. Each of the company+ media bed separators consists of three compartments. The prlmary compartment removes free floating tramp oils, bacterial slime and suspended solids. The secondary one separates dispersed and loosely emulsified tramp oils through the easily maintained lift-out coalescer. The third compartment contains the clarified discharge weir. Liquid flows through the separator under the force of gravity,with the liquid level in the unit controlled by the fixed effluent discharge weir. The separators are available for centralised systems, individual machine sumps and parts washers, either as fully plumbed-in permanent installations or as mobile multi-

Recessed chamberplates Lenser polypropylene recessed chamberplate filtration elements provide significant operating and malntenance savings when compared with wood or cast-iron plate and frame, or rubbercovered steel or cast-iron alternatives. The impressive leak-free performance of the new caulked and gasketed units makes them suitable for mechanised or automated filtration; they 288

sludge volume handling costs. Problems often associated with PAC dosing are eliminated when using the company’s Carbomix powder dosing system-a self-contained skid-mounted unit which accepts powder directly from tote bins, avoiding the handling of dusty powder. The system produces a reliable carbon slurry which is accurately dosed into the water flow at the required rate. CPLlMiller (Environmental), Bretby Business Park, Ashby Road, Stanhope, Bretby, Burton-on-Jfent DE75 OQD, UK. station units. A turnkey service is also offered, including system design, installation and commissioning. The process parts in each separator are either coated stainless steel or steel depending on the client’s needs. Other special materials can be used if required. Connection of the separators can be completed without disruption to the working systems. Each separator is supplied complete with a feed pump (unless the machine is gravity fed) and this is provided along with a Hyde floating skimmer. Air sparging and automatic water back-flushing systems are also available. In addition to the standard static and mobile ranges of media bed separators, the company can supply a combination Flltrafuge centrifuge, which gives both solids and tramp oil separation. Hyde W. 1 Regents

Court, South

Way,

Walworth Ind. Estate, Andover, /-/ants SPlO 5NX, UK Fax: +44 (0) 264 333160. also offer far greater corrosion resistance, substantially lighter weight and easy operations and maintenance. One-piece construction means that there is no disassembly or timeconsuming cleaning procedures; recessed chamberplates can be cleaned easily and quicklyon the press, either manually or automatically. Available in centre or comer feed designs, the plates may be specified in a wide choice of elastomeric compounds to suit the specific chemical and thermal process conditions.

Pollutioncontrol systems High-efficiency WT 1, 3 and 6 gas scrubbing systems remove pollutants, chemicals and odours from high-volume exhaust ah flows found in the process area of most industry sectors. Manufactured by Environmental Pollution Control (EPC) from high-grade stainless steel, the compact scrubbers use high-velocity spinning discs to create a water curtain from which gaseous pollutants are extracted. Designed to be used as independent units, they have a facility for multi-banking where large air volumes need to be handled. Also available from EPC, the high-efficiency Stentuir is a stand-alone process fume extraction system which embodies fresh designs and technology. Available in a range of three coalescing filter extraction units, capable of handling even the largest air volume capacities, the Stentair was developed orlginally for pollutants emitted form textile processors, winning the Better Environment Award to Industry in 1988. Stentalr achieves its performance using a condensing, coalescing and draining prin-

In-linegas filters A new generation of Wafergard gas filters is now available from Mlllipore, beginning with the Wafergard II F Mini In-Line. Sized for flow rates up to

30sl/mln they provide retention of all particles 0.003 pm and larger. Stringent downstream cleanliness specifications of less than 1Oppb moisture and less than one particle per ft3 greater than They can be ordered in sizes up to 2000 x 2000 mm. A new three-piece detachable membrane filter plate for severe or demanding services has also been introduced by Lenser. The detachable polypropylene element permits costeffective replacement of worn membranes, rather than replacement of the entire plate. It consists of two removable

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EPC’s WT gas scrubbing system mnoves pollutants, chemicals and oduum~5~1 airflows by using high velocity spinning discs to creak? a wafer cuttain.

ciple, and its 4, 9, and 12 cell units incorporate new operational and monitoring features designed to control and regulatefilterstatus.Thisenhances the efficiency of the heat exchange and recovery system and improves maintenance. The Stentair is claimed to provide fume abatement efficiency of more than 97% and can be applied in any situation where fume pollutants are being emitted to atmosphere. The system can be adapted to suit the specific gas analysis. EPC, Crown Windley Buildings, The Engineering Works, Ripley Derbyshire DE5 380, UK. Fak: +44 (0) 773 512634

0.01 urn are met within 10 minutes of installation. No pre-conditioning is necessary. AI1 316L metal parts are machined and electropolished to a less than 10 pin Ra finish then assembled in a butt weld design. Each filter is 100% helium leak tested to 10“ atm cm3/s. Millipore (UK), The Boulevard, Blackmoor Lane, Watford Hefts WD18YW, UK. Fax +44 (0) 923 818297

elastomeric membranes attached to a solid polypropylene body plate. A recess is formed between the body plate and each of the membrane diaphragms. The cloth filtering media is placed over the membrane drainage surfaces. Lenser America, 1750 Oak Street, Lakewood, NJ 08701, USA. Jef + 7 908370 8411

July/August 1992

Flltratlon & Separation