Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – Removable cartridge or hand-manipulated container
Patent
1982-03-11
1983-12-06
Cintins, Ivars C.
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
Removable cartridge or hand-manipulated container
331267R, 210679, 210689, B01D 2702
Patent
active
044192363
ABSTRACT:
A device for detecting water in or for absorbing water from the bottom of a closed tank includes a closed envelope formed of a porous cover material. A filler material which absorbs water but not oil is placed into the envelope. A weighted member is inserted into the envelope along with the water absorbent material so that the envelope will sink to the bottom of the tank. The position of the envelope in the bottom of the tank depends on whether it is used for detecting or absorbing water. Usually these devices are used in closed tanks with openings of limited size. Once a device is used in the tank, it is important to be able to remove it through the tank opening. Preferably, the weighted member is a flat circular disc. The size and shape of the envelope and the amount of absorbent material used within it are such that when the material has completely absorbed as much water as it is capable of holding, the maximum size of the envelope does not exceed the maximum dimension of the weighted member. Accordingly, if the envelope including the weighted member can be inserted through an opening into a tank, it will be possible to remove the envelope out through the opening when it has absorbed as much water as possible.
REFERENCES:
patent: 3745659 (1973-07-01), Hsu
patent: 3951812 (1976-04-01), Hsu
patent: 4045387 (1977-08-01), Fanta et al.
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