http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2015212423-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_424db9d56b06a23aed410fcf5df652f3 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P10-20 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B59-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B3-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-271 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-17 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B59-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-271 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B3-32 |
| filingDate | 2015-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c621330b48b3be4527d59f575839c82 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_76aeaf252773e19c73bda1fb963e8e3d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dc4a38dbef3ec4a75709cafe3dfe5084 |
| publicationDate | 2015-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2015212423-A |
| titleOfInvention | Extraction and separation method of light rare earth elements |
| abstract | From light rare earth elements selected from lanthanum, cerium, praseodymium and neodymium, R1R2NCOCH2OCH2COOH (R1 and R2 are the same or different linear or branched alkyl groups, at least one of which has 6 or more carbon atoms. An organic phase containing a dialkyldiglycolamidic acid represented by an extractant as an extractant and an aqueous phase containing a light rare earth element, using an countercurrent multistage mixer settler to which an alkaline solution is added. When the element to be extracted is extracted from the organic phase by contact, the organic phase is contacted with the aqueous acid solution, and the element to be extracted is back-extracted and separated, the alkali amount of the alkali solution and the acid amount of the acid aqueous solution are The amount is 1.2 to 2.9 equivalents relative to the light rare earth element contained in the aqueous phase. [Effects] Light rare earth elements can be extracted and separated efficiently with a simpler process, and can be extracted and separated with a small-scale facility, thereby reducing the capital investment and running costs. Great value. [Selection] Figure 1 |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105886764-A |
| priorityDate | 2011-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 67.