METHOD FOR TREATING POLLUTED SOLID MATERIAL
PROBLEM TO BE SOLVED: To provide a method for washing a polluted solid material, capable of well washing the polluted solid material while suppressing the deterioration of a washing solvent used in the extraction of an organohalogen compound. SOLUTION: In a stirring/extraction process 3, polluted so...
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| creator | SUZUKI TAKAHIRO MINAMI HIROKAZU YOSHIZAKI YASUHIRO KOIDE NORIHIRO OKADA KOICHI |
| description | PROBLEM TO BE SOLVED: To provide a method for washing a polluted solid material, capable of well washing the polluted solid material while suppressing the deterioration of a washing solvent used in the extraction of an organohalogen compound. SOLUTION: In a stirring/extraction process 3, polluted soil 1 polluted with the organohalogen compound is mixed with an alcohol 4 and quicklime 5 under stirring not only to absorb moisture in the polluted soil by quick lime 5 but also to extract the organohalogen compound in the polluted soil with the alcohol 4 and the polluted soil after extraction is subjected to solid-liquid separation treatment to be separated into treated soil and a waste washing liquid 6 containing the extracted organohalogen compound. COPYRIGHT: (C)2004,JPO |
| format | Patent |
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SOLUTION: In a stirring/extraction process 3, polluted soil 1 polluted with the organohalogen compound is mixed with an alcohol 4 and quicklime 5 under stirring not only to absorb moisture in the polluted soil by quick lime 5 but also to extract the organohalogen compound in the polluted soil with the alcohol 4 and the polluted soil after extraction is subjected to solid-liquid separation treatment to be separated into treated soil and a waste washing liquid 6 containing the extracted organohalogen compound. 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| subjects | APPARATUS THEREFOR CHEMISTRY DISPOSAL OF SOLID WASTE GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RECLAMATION OF CONTAMINATED SOIL RECLAMATION OF CONTAMINED SOIL SOIL SEPARATION TRANSPORTING |
| title | METHOD FOR TREATING POLLUTED SOLID MATERIAL |
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