The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2007
Filed:
Jul. 04, 2002
Rosario Pappa, Monterotondo, IT;
Felicia Massetti, Castelnuovo di Porto, IT;
Edoardo D'angeli, Viale della Bella Villa, IT;
Aldo Imerito, Rome, IT;
Rosario Pappa, Monterotondo, IT;
Felicia Massetti, Castelnuovo di Porto, IT;
Edoardo D'Angeli, Viale della Bella Villa, IT;
Aldo Imerito, Rome, IT;
Ecotec S.r.l., Siracusa, IT;
Enitecnologie S.p.A., San Donato Milanese, IT;
Abstract
An improved process is described for the removal of organic pollutants from soil by extraction with a lipophylic solvent, wherein the improvement consists in the fact that the purified soil is treated with water to remove the residual solvent. This process allows the residual solvent to be completely removed from the purified soil enabling it to be re-inserted into the environment, with a low energy consumption and a greater guarante of safety in the running of the plant.