Filtration media

erator is able to control current or voltage on each of the channels, making it perfect for microelectronic applications.

D R Y I N G T I M E RECORDER

Paul N. Gardner Co. Inc., Pompano Beach, Fla.

Circle 407 on the reader service card FILTRATION MEDIA

Colloid Environmental Technologies Co., Arlington Heights, Ill. PM-500 calcined clay filtration media remove and encapsulate heavy metals from concentrated wastewater streams. The media effectively remove molybdenum, arsenic, antimony, selenium, and chromium without the need for the prereduction step often used with standard precipitation technology. PM-500 also removes and encapsulates ferricyanides from wastewater. Circle 408 oh the reader service card

riod is permanently stored in 9 separate memory program cycles. In addition a temperature-sensing circuit has been added to measure the temperature during the test. The temperature can be displayed in °C or °F. Circle 409 on the reader service card RECUPERATIVE THERMAL OXIDIZER

The Gardco Electronic Multicycle Circular Drying Time Recorder has been designed to control a motot so t h a t its shaft-driven %-in. ball stylus will complete one rotation in a period selected from 10 minutes to 48 hours. The time pe-

Glenro Inc., Paterson, N.J. Glenro's skid-mounted recuperative thermal fume oxidizer, which d e s t r o y s VOCs in an energyefficient way from a fume-laden exhaust stream of approximately 2,000 scfm, is approximately 17 × 12 × 7 ft. The oxidizer is shipped largely assembled and includes a safety pipe train reducing on-site installation time and costs. The c o m b u s t i o n c h a m b e r is con-

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FOR QUALITY SELF PRIMING

FILTRATION COMPACT IN-TANK FILTER

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STAINLESS STEEL FILTER SYSTEMS

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BAG FILTERS

LIQUIDS

CARSON TREATMENT/FILTRATION SYSTEMS

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CALL OR WRITE FOR FREE P U M P A N D FILTER CATALOG. 30 ARKAY DRIVE, HAUPPAUGE, NEW YORK 11788-3773 TEL: 516-435-0530 • FAX: 516-435-0654

Sethco Division

230 N, CRESCENT WAY, UNIT I, ANAHEIM, C A 92801 TEL: 714-991-0270 • FAX: 714-991-8107

Circle 061 on reader information card 70

Metal Finishing