| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3bf26bebd9b4a0008e24224462b16e11
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d0e643f9659b9586a45cfc4c353a17de
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6707a73a746bb92aa713be8c3621c9c3 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2011-002 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B09C1-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D11-028
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D11-023 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B09C1-02 |
| filingDate |
1993-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1996-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b5eaea297ad953f53732645571184e89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bdfa0ef6f37b4f35c65ce44b4a93cffd |
| publicationDate |
1996-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5507953-A |
| titleOfInvention |
Extraction method and apparatus for cleaning contaminated soil |
| abstract |
The method of cleaning soil contaminated with contaminants includes comminuting contaminated soil to form a comminuted contaminated soil; filling the comminuted contaminated soil into a countercurrent extractor from above under an inert gas atmosphere so that the comminuted contaminated soil moves as a travelling bed downward through the countercurrent extractor; feeding a solvent, advantageously acetone, into a lower portion of the countercurrent extractor so that the solvent flows upward through the travelling bed to form a decontaminated soil at the bottom of the extractor and a contaminant-charged solvent portion taken from a middle portion; supplying a conveying liquid to the lower portion of the countercurrent extractor so as to transfer the decontaminated soil from the countercurrent extractor to a filter device having a belt filter; and separating the decontaminated soil in the filter device into a cleaned soil and a reusable conveying liquid. A feeder device is provided for the filter device which avoids clogging of the moving belt filter by the soil when the soil has a high proportion of silt. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104475441-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2015136710-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11772019-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2012213589-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7160060-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5986147-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109772872-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102008034059-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5779813-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5662802-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5896876-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2020406175-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6155276-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115414694-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9157198-B1 |
| priorityDate |
1993-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |