Product and Service Showcase Corrosion protection systems
Plastic back pressure/
Sludge dewatering
relief valves
Denso Tape and Profiling Mastic pro vides long-lasting corrosion protection for buried pipes, flanges, valves and fit tings, that is easy to apply. No abrasive blasting is required, nor any special equipment or training. The system is more cost-effective than paints, with no
Chemline's new solid plastic SB Series Back Pressure/Relief Valves are an ex
90 for cold-applied petrolatum tapes.
cellent choice for chemical dosing lines 1/2" to 4". They offer reliable opening and adjustable relief pressures of3 to 150 psi. All-plastic construction offers high chemical resistance. They are hydraulically designed for low hysteresis, no flut ter, and low over-pressure to fully open.
Denso North America
Chemiine Plastics Limited
The Sharpies® MaxiMizer® DS centiifuge has achieved a breakthrough in dewater ing technology by exceeding 30% dry sol ids. The Sharpies® MaxiMizer® DS is a fully automated system that requires only minimal operator attention. It also pro vides environmental benefits; the unit's
circle reply card No. 301
For more information, circle reply card No. 302
enclosed design contains troublesome aerosols and unpleasant odours. Alfa Laval Separation For more information, circle reply card No. 303
New web-based service
Environmental sludge dryers
Pipeline corrosion protection
For more information, circle reply card No. 304
Duske rotary drum dryers convert waste sludge into environmentally desirable products of value. A new Duske/Cemen Tech CSD-3000 Rotary Dryer in Leam ington, Ontario, produces 2-3 TPH of NViro Soil, a patented, lime-stabilized fer tilizer. The Duske dryer reduces drying time from days to minutes. Duske Engineering For more information, circle reply card No. 305
MAXMAG Magnesium Anodes are proven protectors in the fight against pipeline corrosion. They are available in a complete line of sizes, shapes and weights. They are made to strict stand ards of chemistry, production control, testing and certification. Interprovineial Corrosion Control For more information, circle reply card No. 306
Temporary pump systems
Denitrification system
Valve installation simplified
VOCs. It meets AWWA Standard C217-
For more information,
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The Carrousel® denitIR™ System with GODWIN Dri-Prime centrifugal pumps auto-prime to 28 feet dry static lifts, through long suction lines; they reprime on demand and run dry overnight, unat tended. Large flows are now possible from small manholes. Supplied in cast iron and 3I6L stainless steel, pumps to 12 inch hose and piping are available for rental or purchase. RMS Enviro Solv For more information, circle reply card No. 307 70
Integral Anoxic Reactor oxidizes car bonaceous BOD, ammonia and organic nitrogen; reduces nitrite and nitrate ni trogen; restores alkalinity; recovers chemically bound oxygen; and reduces
Municipal valve installation and mainte nance can be simplified with AWWA grooved and shouldered valves and
or eliminates alkali addition. The modi
to 36. Butterfly valves can be installed three to four times faster, and up to 35% space savings are achieved over flanged
fied Carrousel basin features an integral anoxic reactor.
Eimeo Process Equipment For more information, circle reply card No. 308
Victaulic® couplings. Only 4 to 12 bolts are needed rather than the traditional 18
valves. Victaulic Co. of Canada
For more information,
circle reply card No. 309
Environmental Science & Engineering, November 1996