Concrete Products

AUG 2015

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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Page 46 of 59 August 2015 • 45 INNOVATIONS REPORT FILTER PRESS EQUIPMENT The company's EnviroSystem provides operators with the ability to remove cement and sand solids, usually after a reclaimer, and to produce a clear effluent that can be reused in truck and mixer wash outs. It can be custom designed to meet the needs of any size operation. If desired, the pH can be adjusted to neutral levels allowing the effluent to be reused 100 percent in the batch process—meeting industry specs. The company's 100-percent closed-loop solution meets Environmental Protection Agency thresholds and elimi- nates any discharge to a city sewer, all with- out the use of any settling chemicals. Small operations may choose a 6-cu.- ft. press, while larger operations opt for a 25-cu.-ft. press. However, there is no limita- tion on the size of the filter press that the com- pany can provide. Plates begin at 630 mm and increase in size based on the design to 800 mm, 1,000 mm, 1,200 mm, and larger. Filter plates and cloths are made of polypropylene. Moisture content of processed cakes is 50 per- cent or lower, depending on the need and the design. The company provides coast-to-coast service in the U.S. and Canada. Additional- ly, all system components are stocked in the U.S. with next day shipment guaranteed. — Si x f i l t e r p re s s mo de ls — F P 4 7 0 2 0 C , F P 6 3 0 2 0 C , F P 6 3 0 5 0 C , F P 8 0 0 4 0 C , FP100045C and FP150045C—are engi- neered to operate without clarifying or thickening tanks. Oquamax uses a unique washing system that completely clears the press and lines of any residual concrete for longer filter cloth life and no build up in the piping. The filter cloths are 100-per- cent pure nylon. The presses feature full automation with remote monitoring; automated filter cloth and hose washing system; stainless steel guards and electri- cal cabinets; and, fast cake unloading sys- tem with air hammers. Models range in size from the 470-x 470-mm FP47020C, which has 20 plates and an overall footprint of 2- x 2- x 17-ft., to the 1,500- x 1,500-mm FP150045C with 45 plates and a 7- x 7- x 34-ft. footprint. Plate sizes are 630-mm, 800-mm, 1,000- mm, and 1,500-mm square. Solids recov- ery ranges from 0.5 tph to 30 tph, depend- ing on model. Typical moisture content of processed cakes is between 15 and 25 per- cent. — WATER TREATMENT SOLUTIONS OQUAMAX

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