Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1995-03-31
1999-01-12
Popovics, Robert J.
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210718, 210737, 210741, 210744, 210774, 210807, 210808, 210742, 210 85, 210103, 210104, 210180, 210185, 210285, 2104163, 22218906, 2221461, B01D 3704
Patent
active
058582487
ABSTRACT:
A water treatment method uses a removable, disposable cartridge having an internal mesh structure. A permanent heater heats water fed to the cartridge. Precipitated solids collect on the mesh surface provided temperature and residence time are appropriately maintained. The heat breaks down the bicarbonate hardness of the water thereby depositing carbonates on the mesh surface and heavy metals will be codeposited due to the resultant change in pH. The cartridge has a head-space for collecting entrained gasses such as volatile organic compounds, chlorine and air. Water sterility is achieved by heating the water over an appropriate period of time. Turbidity is removed within the cartridge due to settling induced by the low fluid velocity controlled by a controller and by a filter provided at the outlet of the cartridge. The filter will become blocked when bicarbonate hardness is carried over forcing a user to replace a spent cartridge. Heat economy and a cool treated water outlet stream are secured by use of a heat exchanger. Water is fed from the cartridge, through the heat exchanger to a storage tank. Water in the storage tank is kept out of contact with air by a movable barrier. Eventually, the water is fed from the storage tank to a dispenser and can subsequently be used in a post-mix beverage dispenser.
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Plester George
Vandekerckhove Stijn
Popovics Robert J.
The Coca-Cola Company
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