IN IN1788MUM2015A
Title: WATER PURIFIER BASED ON CAPACITOR DEIONIZATION (CDI) TECHNOLOGY AND A METHOD THEREFOR A water purifier based on capacitor deionization (CDI) technology comprises of a raw water sediment filter and a pre silver activated carbon granules/block located peripherally to a CDI device (1) and operatively connected for flow of raw water through them before it enters said device (1). A special power supply (2) is connected to the CDI device for operating the device as well as three or more solenoid valves. A post silver activated carbon granules/block, a UV barrel/reactor, an ultra-filtration filter, a storage tank and a regeneration pump and circuit to revive the CDI unit by citric acid are positioned external to the CDI device (1) and special power supply (2).Device (1) has number of layers of electrodes of a pre-calculated surface area depending upon the amount of purified water output required from the CDI device. Two layers of cat ion (3) are provided on both surfaces of activated carbon sheet (4)separated from next sheet (4) coated on both surfaces with anion layer (6) with insulating mesh (5) and housed in a water tight plastic box. A method of using the water purifier is also disclosed in fig 3.
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