Liquid purification or separation – Processes – Treatment by living organism
Patent
1989-07-20
1992-01-21
Cintins, Ivars
Liquid purification or separation
Processes
Treatment by living organism
210663, 210691, 210922, 210924, C02F 128
Patent
active
050825631
ABSTRACT:
Method for absorbing, removing, and for cleaning up a first liquid floating on or in a second liquid, the method employing absorbent pellets which, in preferred embodiments, have a particular size, density, and configuration. The method can include steps of introducing the pellets onto or into the floating liquid to be removed; in preferred embodiments additional steps of agitation and spraying or applying a surfactant can be employed. The pellets containing the liquid to be removed can be removed from the surface of the second liquid; from an intermediate location above the lowermost depth of the liquid; or from the bottom level of the liquid or the bottom of the container or reservoir holding the liquid. A method for making pellets for cleaning up a first liquid floating on or in a second liquid; and a method for making pellets for absorbing a combustible material to produce fuel pellets. A method for producing fuel pellets. A fuel pellet produced by fabricating a pellet, preferably a cellulose pellet, and having it absorb combustible material. A recovery pellet, preferably a cellulose pellet, for absorbing a liquid and from which the absorbed liquid can then be recovered. A pellet, preferably a cellulose pellet, for absorbing a first liquid floating on or in a second liquid. In the preferred embodiments of the methods utilizing a surfactant, the surfactant assists in sinking the material and it can speed up the sinking. Methods for controlling a first liquid (e.g., oil) floating on or in a second liquid (e.g., water or saltwater). A compressed pellet, preferably made from newsprint paper, useful in such methods.
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