Liquid purification or separation – Processes – Including geographic feature
Patent
1993-09-21
1995-12-26
Drodge, Joseph W.
Liquid purification or separation
Processes
Including geographic feature
2102423, 210776, 210923, B01D 1702
Patent
active
054784808
ABSTRACT:
This invention relates to methods and apparatus for handling fluids and fluid mixtures such as those which result in pollution spills of substantially non-water soluble substances on a waterway. The invention includes use of a vessel supportable on the body of water and which can be taken to the pollution site. The vessel has a hold into which the spillage can be pumped and the method and apparatus enables the separation of entrained and mixed water with the pollutant to enable concentration of the pollutant in the hold. Concentration is achieved by providing the hold with a controlled outlet which can communicate from a lower portion of the hold to the supporting body of water. As the pollutant separates from the water, the water can be decanted off from beneath, thus concentrating the pollutant in the hold. Decanting is achieved either by a pure gravitational relationship between the levels of the mixture in the hold and the surrounding supporting water body or alternatively, by deformation of at least part of the hold during movement of the vessel reducing the volume of the hold to raise the mixture level in the hold for decanting of the water therefrom.
REFERENCES:
patent: 3508652 (1970-04-01), Woolley
patent: 3782553 (1974-01-01), Brekke
patent: 5073261 (1991-12-01), Conradi et al.
patent: 5080783 (1992-01-01), Brown
Pollutank Reservoir Flottant Floating Tank, Sillinger, Paris, France (2 pages), undated.
Buoyancy tank for hydrocarbons spread at sea, Solas (1 page), undated.
Le Savoir-Faire, Zeppelin (1 page), undated.
Catalogue-Oct. 1992, Reservoir "" Flottant (1 page).
Drodge Joseph W.
Kenron Trading Limited
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