Catalog excerpts
Evaporation and Crystallization—a Clean Solution For 30 years, EVALED® Evaporators and Crystallizers have provided industrial water and wastewater treatment s olutions throughout the world. EVALED heat pumps, hot/cold water evaporators, and mechanical vapor recompression (MVR) units offer clean technology for a wide range of industrial applications. In the past 2 years PRAB has provided equipment saving customers nearly $2.6 million annually by re-purposing their wastewater for reuse or sending to sewer. EVALED Vacuum Evaprorator • Exhausted oil emulsions • De-greasing baths • Tumbling baths • Phosphate coating baths • Parts rinsing waters • Pickling baths (H2SO4, HCl, HF, HNO3) • Ion exchange regeneration • Rinsing baths (cyanide, copper, zinc, nickel, • Reverse osmosis concentrates • cobalt, cadmium, chromium) • Cooling tower blow-down • Mixed stream wastewater • Pretreatment baths Matching the application and material is critical to reduce corrosion and protect your investment. EVALED technology offers the highest quality products and material selection, with fit-for-purpose materials. • AA (AISI 316 L) • HH (Nickel Alloy) • FF (Super Duplex) • KT (Teflon® SiC) Backed by the PRAB Difference Phone: 1-800-968-7722 l Email: sales@prab.com l Website: prab.com
Open the catalog to page 1PRAB EVALED® VACUUM EVAPORATION DECREASE WASHWATER & DETERGENTS COSTS UP TO 75% No air emissions ever! EVALED evaporator technologies operate as a closed loop system under vacuum. Atmospheric evaporators lose valuable energy through air emissions and may require an air permit or waiver for compliant operation. EVALED evaporators have an efficient design with one inlet and two discharge streams- concentrate and distillate. PC- Heat Pump Vacuum Evaporators PC heat pump evaporators offer flexibility, low electrical energy consumption, and superior reliability. • • • Operating pressure of 7-9...
Open the catalog to page 2PRAB EVALED® VACUUM EVAPORATION ACHIEVE ZERO LIQUID DISCHARGE GOALS AC- Hot Water/Cold Water Vacuum Evaporators Reduce operating costs by utilizing excess hot water/steam and cooling water. • • • Operating pressure of 4-30 kPa (0.6-4.4 PSIA) Lower Boiling Temperatures: 30-70 °C (86-158 °F) Single and multiple effect units available Capacities range from 20,000-60,000 L (5,300-15,800 gal) of distillate production per day. Forced circulation reduces scaling, deposits, and fouling. Scraped surfaces allow treatment of precipitating waste streams or crystallization of concentrate to achieve Zero...
Open the catalog to page 3PRAB EVALED® VACUUM EVAPORATION ELIMINATE HAUL-AWAY COSTS RV- Mechanical Vapor Re-compression Engineered for the treatment of large wastewater flow rates with low energy consumption. • • Operating pressure of 60-70 kPa (8.7–10.2 PSIA) Low Boiling Temperatures: 80-90 °C (176–194 °F) Capacities range from 10,000-120,000 L (2,600-31,700 gal) of distillate production per day. Forced circulation reduces scaling, deposits, and fouling. Electrical energy consumption: 30 kWh/ton of distillate (0.11 kWh/gal). Capacities range from 100,000-200,000 L (26,400-52,800 gal) of distillate production per...
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