http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113105303-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_779ca02f7350cd263dc6e0bb1c75e0f3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_86691c088727636a3251edb15c7045f8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-383 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-389 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-389 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-383 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C21-20 |
| filingDate | 2021-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb529bd5e65800e9773ed8fcfcf43bd3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_70ddcbcb86450dd2e0f4e5549479785b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e881b68b66a235034e192e96d5fdc28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46add7a531c7ddc8bce1b0e6204e5de0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_35420abd3aac1892e5ddacd6fdf57132 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_19c40f0d2193fea4800f97385109f2be http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4d844c58bd5719339d83f71118e8d3f6 |
| publicationDate | 2021-07-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113105303-A |
| titleOfInvention | A kind of purification method of hexafluorobutadiene |
| abstract | The invention relates to a method for purifying hexafluorobutadiene, including raw material pretreatment and purification of the pretreated material; the raw material pretreatment includes an adsorption process for the hexafluorobutadiene raw material; the purification of the pretreated material is as follows: After the pretreatment, the material is passed through the first-stage delighting and the first-stage deweighting, and then passed into the second-stage light-removing tower, and the refined hexafluorobutadiene product is extracted from the side line of the second-stage light-removing tower; In the purification process, the first-stage delighting is carried out in the first-stage de-lighting tower, the first-stage de-weighing is carried out in the de-weighing column, and the de-weighing column is equipped with a cluster rectification column, and the extract from the tower kettle of the second-stage de-lighting tower It is circulated into the weight-removing tower to remove heavy components. Compared with the prior art, the present invention can efficiently remove the hexafluorobutadiene raw material by combining multiple process methods such as cluster rectification (normal rectification can be added in the raw material pretreatment process), side extraction and adsorption, etc. impurities, so that the purity of hexafluorobutadiene products can reach more than 99.995%, even 99.999%. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115160105-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114014743-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115160103-A |
| priorityDate | 2021-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.