| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7ab07e6fd3ec0599bfaeaf1f9b2f5742 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J49-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J39-05
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-1425 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J39-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C213-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C215-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J49-00 |
| filingDate |
1990-10-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e517297fdc4c3de269268a4cc6fe2a09
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_347e6a387a85f2232ca029bf5f9a7a99 |
| publicationDate |
1991-05-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0429183-A1 |
| titleOfInvention |
Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine |
| abstract |
Spent aqueous alkanolamine solution containing free alkanolamine, alkali metal salts of anions which form heat stable salts with such alkanolamine and heat stable alkanolamine salts is reactivated by contacting the solution with an acidic cation ion exchange resin to remove alkali metal cations and alkanolamine cations resulting from (1) protonation of free alkanolamine with hydrogen on the resin and (2) the alkanolamine salts, followed by eluting the resin with aqueous ammonia to preferentially displace alkanolamine from the resin and thereafter eluting the resin with a dilute mineral acid to displace the ammonia, metal cations and any remaining alkanolamine. The displaced alkanoamine is recovered for reuse. The aqueous ammonia may also be recovered for reuse. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8063112-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007104134-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8097068-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7776296-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EA-013807-B1 |
| priorityDate |
1989-10-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |