Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1990-06-27
1992-03-17
Silverman, Stanley S.
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210722, 210771, 210806, 210807, 210202, 210209, 210218, 210259, 210295, C02F 164
Patent
active
050965964
ABSTRACT:
An apparatus for removing mineral contaminants from water is disclosed which has an aeration tank connected to a supply of water and having an inlet for admitting the water to the aeration tank and an outlet for discharging water. A diffuser is connected to the aeration tank inlet and has a plurality of apertures which permit the diffusion of the contaminated water into an airhead within the aeration tank. A source of compressed oxygen is in direct communication with the top of the aeration tank. A controller controls the source of compressed air to permit oxygen to be supplied independently of the water supply to the interior of the aeration tank for recharging the aeration tank with oxygen. A bed of calcium carbonate chips may be positioned inside the aeration tank beneath the spray of contaminated water. A pick-up tube has an open end located above the bed of calcium carbonate chips and is connected to the outlet of the aeration tank. A filter tank has an inlet connected to the pick-up tube of the aeration tank and an outlet adapted to be connected to a water supply line. The system has a distributor tube connected to the outlet of the filter tank with an opening within the multimedia filter bed, wherein the oxygenated water may be drawn through the multimedia filter bed so that a significant portion of the contaminants may be removed from the water and the filtered water may be supplied to the outlet of the filter tank. The system has a multimedia filter bed positioned within the filter tank which has a plurality of filtration layers.
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Iron Curtain System, diagram of System Manufactured by Hellenbrand Water Conditioners, Inc. of Waunakee, Wis.
Hellenbrand Jeffrey J.
Hellenbrand Terence P.
Hellenbrand Water Conditioners, Inc.
Nessler Cynthia L.
Silverman Stanley S.
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