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These devices are previous to wastewater purification process and are used to improve purification performance, to avoid mechanical problems and subsequent processes or to reduce solid contribution to the process.
• Grit removal
• Compact grit removal, made in FRP, cyclonic effect, for flow rates up to 500 m3/h. |
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• Bridge grit removal, to be installed in civil engineering, building material carbon steel hot-dipped galvanized or stainless steel. Different size based on the flow to be treated.
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• Grit classifier
• Grit classifier with special carbon steel helical screw, building material stainless steel. Up to 45 m3/h flow of water and sand. |
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• Coarse grid (bars)
• Vertical bar grid for coarse removal. Building material carbon steel hot-dipped galvanized or stainless steel. With slot width from 10 mm to 50 mm. Front or rear attack of the blade depending on the usage. Driven by electric motor or hydraulic for flood zones. Different sizes based on the flow, the amount of solids to be treated and slot width. |
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• Fine grid (perforated plate)
• Perforated plate grid for coarse and fine grinding. Building material carbon steel hot-dipped galvanized or stainless steel. Driven by electric motor or hydraulic for flood zones. Perforated plate can have slots from 10 mm to 50 mm width depending on the usage. Different sizes based on the flow, the amount of solids to be treated and slot width. |
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• Horizontal fine grid (perforated plate)
• Perforated plate grid for fine grinding, with or without solid collection box. Building material stainless steel. Driven by electrical motor, with on-off sensor based on water level. Perforated plate can have slots from 1 mm to 50 mm width depending on the usage. Different sizes based on the flow, the amount of solids to be treated and slot width. |
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• Screen (Static and rotary screen)
• Static screen: for fine screening, with Johnson grill, slot from 0.5 mm to 10 mm width. Building material stainless steel. Optional cleaning system with high water pressure throughout the area of screening. Different sizes based on the flow, the amount of solids to be treated and slot width. |
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• Rotary screen: for fine screening. Building material stainless steel, driven by electrical motor. Slot width from 0.25 mm to 10 mm. Optional internal cleaning system with high water pressure (40 bar). Different sizes based on the flow, the amount of solids to be treated and slot width.
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• Grease removal (Static and dynamic)
• Static grease removal: building material stainless steel, with air supply for flotation, scraper with two rubber arms, driven by electrical motor. |
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• Dynamic grease removal: building material FRP, access by stairs to the upper deck, floating scrapers build by carbon steel hot dip galvanized, from 2 to 8 scrapers depending on the amount of solids to be removed. Driven by electrical motor.
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• Conveyor-compactor
• Screw conveyor: screw built in special carbon steel, driven by electrical motor, polyethylene wear area and stainless steel channel. Different sizes based on usage. |
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• Screw compactor: screw built in special carbon steel, driven by electrical motor, polyethylene wear area and stainless steel channel and compactor zone. Different sizes based on usage.
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