Suppression of the formation of colloidal suspensions between ta

Details Suppression of the formation of colloidal suspensions between ta Suppression of the formation of colloidal suspensions between ta

1997-12-16

1999-07-13

Upton, Christopher

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210693, 210799, 210747, 210172, 2102424, 2105321, 210540, 210DIG5, C02F 140

Patent

active

059222050

ABSTRACT:
Pretreated tubular members, preferably in the form of hollow fiber segments, and a method for suppressing the formation of a colloid of fuel oil in sea water or visa versa in a ballast/fuel oil tank of a ship. The fuel oil-pretreated members are hydrophobic having a resultant density such that, when disposed into the fuel oil/ballast tank which is initially substantially colloid free, the pretreated tubular members sink in the fuel oil and become suspended at the interface of, or boundary between, fuel oil and ballast sea water to form a physical barrier which substantially maintains separation between fuel oil and sea water during subsequent ship movement at sea.

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"Standard Test Method for Tubidity of Water" ASTM Designation: D 1989-94, pp. 184-189.

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