http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102312110-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0f03282229a47b8d16c661a5e4326dd6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_20880fab9d9a8463e1abcac14220118a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B26-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B26-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-04 |
| filingDate | 2010-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3ecaf0348f79c1a2b587684ab1e8032b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d86834efed8946d84fc146b4d062e4ea http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9552da2060acc214203b34061f9055e0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1b07eefd56371300a79b922776632fec http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b7963f164afa0ade5f10f6135e7af990 |
| publicationDate | 2013-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102312110-B |
| titleOfInvention | Method for extracting alkali metal from salt lake brine and seawater through membrane extraction-back extraction |
| abstract | The invention discloses a method for extracting high-value alkali metal from salt lake brine or seawater through membrane extraction-back extraction. The method is implemented through continuous operation and comprises the following steps of: fixing an ion exchange blend membrane in a membrane component, allowing an organic solution containing an extracting agent to contact salt lake brine or seawater which contains alkali metal ions by a first ion exchange membrane, and allowing alkali metal ions to pass through the ion exchange membrane and be combined with the organic solution containing the extracting agent to obtain metal complex; then transmitting an organic solution of the metal complex to a second ion exchange membrane and allowing the organic solution of the metal complex to contact a back extraction solution by the second ion exchange membrane, and allowing the metal ions to pass through the ion exchange membrane to enter the back extraction solution; during membrane extraction-back extraction, and circulating feed liquid, the back extraction solution and the organic solution containing the extracting agent on one side of the first ion exchange membrane, on one side of the second ion exchange membrane and between the first and second ion exchange membranes; and performing back extraction until a certain concentration of the back extraction solution is reached, and separating lithium, rubidium or caesium precipitates to obtain the final product. The invention provides a high-efficiency, low-cost and feasible route for industrial production of alkali metal salts. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110711502-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110711502-B |
| priorityDate | 2010-07-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 125.