Various silicone materials, which have a low order of toxicity to fish, birds, and wildlife; and which slowly degrade to carbon dioxide and silicon dioxide in the environment, may be used to treat local soils to make them permanently oleophillic. These soils can then be used to minimize, consolidate,...http://www.google.es/patents/US5288177?utm_source=gb-gplus-sharePatente US5288177 - Methods of treating local soils to make them oleophillic and of using the soils to minimize, consolidate, and clean up oily spills
Methods of treating local soils to make them oleophillic and of using the ...
