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ABOUT US...
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| Founded in 1986 by Bruce Bishkin, PE to offer engineered products to industry for resource recovery and pollution control. Located in suburban Chicagoland, APSI Inc. offers standard and custom equipment, as well as expertise in aqueous solution processing to the following industries: |
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Printed circuit board and electronic component manufacturing |
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Metal plating, coaters, and galvanizers |
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Secondary metal refining, mining, and smelting |
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Transportation |
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Pharmaceutical |
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Chemical |
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Steel processors, foundry metals, wire and strip processors |
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Metalworking |
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Leather tanning |
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Technologies offered to our clients...
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Recycle Technologies:
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| R-Vap Mechanical vapor or vapour recompression evaporator (MVR) technologies, rinse-water recycle and drag-out recovery in metal finishing, metalworking facility spent coolant recovery, bulk container wash water recycling, sugar recovery wash down, concentration of reverse osmosis (RO) reject, landfill leachate recovery, deionizer spent regenerant concentration, brine concentration, brine concentrate, ethylene glycol recycle, ethylene glycol refortification, anti-freeze recycle, anti-freeze refortification, car wash wastewater recycle, boron removal from wash down |
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Chemical Reaction Processing:
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| Metal hydroxide precipitation, sulfide precipitation of metals, oxidation technologies, including uv catalyzed peroxide, ozone oxidation, biologically assisted oxidation, barium sulfate precipitation, cyanide oxidation with chlorine, hypochlorite, sodium chlorate, high pressure decomposition of cyanides to ammonia, fluoride removal through calcium hydroxyfluorapatite, reaction with thiocarbamate, reductions to break chelates of copper, reductions with sodium hydrosulfite to convert ferric to ferrous, reductions of hexavalent chrome to trivalent chrome |
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Filtration and Mechanical Dewatering:
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| Gravity sand filtration, pressure sand filtration, filter pressing with recessed chamber plates and membrane plates, cartridge type filtration, reusable pleated cartridge filtration, bag filtration both pressure and gravity, diatomaceous precoat rotary drum filtration, segmented rotary drum filtration with continuous belt, horizontal belt washing, twin belt dewatering, rotary stainless steel (wedge wire-"Johnson" screen) screens both internal and externally fed |
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Sedimentation and Flotation:
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| Circular clarifiers and thickeners for high suspended solids liquids, inclined plate type clarifiers for low suspended solids liquids, centrifuges (both disc and decanting), dissolved air flotation devices, induced gas flotation devices (inert gas used such as methane or nitrogen) |
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Membrane Processing and Ultrafiltration: |
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| Reverse osmosis, nanofiltration, and ultrafiltration, (spiral wound and tubular configurations) includes filtration of alkaline cleaners for rejuvenation, reconcentration of various organic acids and alcohols |
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Ion Exchange:
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| Standard ion exchange for demineralization of ion bearing solutions including water, alcohol and sugar solutions; selective metal removal from aqueous streams including iron from chromic acid, iron from zinc sulfate, iron from trivalent chrome, and copper, lead, zinc, nickel, cobalt, from various wastewaters; utilization of chelating di-iminoacetic acid functionality, thiouronium, carboxylic acid and di-phosphonic acid resins; finely divided resin systems for protein separations, and other macromolecular recoveries; finely divided acid retardation system for phosphoric, fluoroboric, fluorosilicic and other organic acids |
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Company Owner - Bruce Bishkin
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