http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20020075252-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_10636948adeff7a4f9c77a5c45be2245 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-90 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S62-90 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S62-924 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2240-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2250-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2235-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2205-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J2200-50 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04048 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04448 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04878 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04678 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04872 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04387 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04709 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04054 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-04296 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F25J3-0409 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F25J3-04 |
| filingDate | 2002-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0e9dd0bd0b9f72874710100a7ab33259 |
| publicationDate | 2002-10-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20020075252-A |
| titleOfInvention | Obtaining argon using a three-column system for the fractionation of air and a crude argon column |
| abstract | The method and apparatus are used to obtain argon using an air fractionation three column system having a high pressure column 11, a low pressure column 13, and a medium pressure column 12. The first packed air streams 10, 64 are introduced into the high pressure column 11 where the first oxygen enriched liquid and the first nitrogen overhead gas are separated. The first oxygen enrichment fractions 23, 24, 26 from the high pressure column 11 are introduced into the intermediate pressure column 12, where it is separated into a second oxygen enrichment liquid and a second nitrogen overhead gas. The second oxygen enrichment fractions 33, 35 from the high pressure column and / or from the intermediate pressure column 12 are introduced into the low pressure column 13, where it is separated into a third oxygen enrichment liquid and a third nitrogen overhead gas. . Argon containing fraction 68 from low pressure column 13 is introduced into crude argon column 70 where it is separated into crude argon top fraction and oxygen enriched liquid. Some or all of the crude argon top fraction 71 is passed to the crude argon condenser 29, where it is part or all of the second oxygen enriched liquid from the intermediate pressure column 12. Condensation partially or totally by indirect heat exchange with). Oxygen-enriched vapor 32 formed by this method is returned to the intermediate pressure column 12. The portion 72 from the upper region of the crude argon column 70 and / or a portion of the crude argon upstream of the crude argon condenser is obtained as crude argon product. |
| priorityDate | 2001-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 44.