Process and apparatus to remove separated water from contained h

Details Process and apparatus to remove separated water from contained h Process and apparatus to remove separated water from contained h

1986-08-19

1988-07-19

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210689, 210243, 210282, 210484, B01D 1500

Patent

active

047583509

ABSTRACT:
A highly hydrophilic material that does not absorb hydrocarbon fuel is contained in a fabric tube, lowered by a drawstring to the bottom of a fuel container, there maintained until water at that position is extracted and thereafter removed for disposition. The hydrophilic material is preferably a graft polymerized starch or gelable polysaccharide such as agarose. The fabric container must be densely woven with fine intracies to contain the hydrolyzed hydrophilic material during placement and especially against fluidic heads during extraction. The fabric material is coated with polymeric material insoluble in hydrocarbon fuel but soluble in water, such as polyvinyl alcohol, to keep the fabric free of hydrocarbon encroachment during initial placement. Static electricity is removed from the system by coating the fabric material with antistatic agents of a surfactant nature and providing a conducting system which is externally grounded. The extraction device is weighted by dense particulate material such as sand, which with the hydrophilic material is distributed for maximum operative efficiency.

REFERENCES:
patent: 4358380 (1982-11-01), Hasegawa et al.
patent: 4419236 (1983-12-01), Hsu
patent: 4588505 (1986-05-01), Walley et al.

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