http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113384911-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D11-0292 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D3-009 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D3-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D11-02 |
| filingDate | 2021-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113384911-B |
| titleOfInvention | A kind of deesterification distillation process of aged naphthenic acid extractant |
| abstract | The invention provides a deesterification distillation process of an aged naphthenic acid extractant, which relates to the technical field of rare earth separation. The deesterification and distillation process of the aged naphthenic acid extractant can completely hydrolyze isooctyl naphthenate in the aged naphthenic acid extractant into naphthenic acid and isooctanol, and simultaneously remove harmful substances such as asphalt colloid, etc. A high-quality naphthenic acid extractant is obtained, and the specific steps are: S1, hydrolysis of the aged naphthenic acid extractant to obtain a hydrolyzed solution of the aged naphthenic acid extractant; S2, neutralization of the hydrolyzed solution to obtain an aged naphthenic acid extractant S3, the distillation of the deesterified solution to obtain a new naphthenic acid extractant. At the same time, for the existing distillation device, there are disadvantages such as complicated control, difficult adjustment, high energy consumption, etc. The present invention also provides a distillation device suitable for the distillation process of deesterification of an aging naphthenic acid extractant. The device includes an electric heating The distillation still and the economizer realize the integration of the heating, distillation, condensation and still liquid cooling of the distillate, and directly use the heat released by the condensation and cooling to heat the raw materials. The device has the advantages of simple control, flexible adjustment, high distillation efficiency, and remarkable energy saving effect. |
| priorityDate | 2021-08-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 32.