http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111484034-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b2c8ccb41ee33461fff90d092838db53 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-12 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y30-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B39-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01B39-38 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B82Y30-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B39-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B39-38 |
| filingDate | 2019-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-08-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111484034-A |
| titleOfInvention | A kind of preparation method of multi-stage porous ZSM-5 molecular sieve |
| abstract | The invention belongs to the technical field of preparation of inorganic non-metallic materials and catalysts. In order to solve the problem of limited diffusion of ZSM-5 molecular sieves during use, a preparation method of multi-level porous ZSM-5 molecular sieves is provided. ‑5 molecular sieve is mainly prepared by using ground plant straw and conventional micron ZSM‑5 molecular sieve, mixed with silicon source, alkali source, aluminum source, etc., and subjected to ultra-low temperature freeze-drying and steam crystallization reaction. The prepared hierarchically porous ZSM‑5 molecular sieve has relatively high crystallinity. Compared with conventional micron molecular sieves, the intergranular mesopores are increased, which improves the molecular diffusion problem in reactions such as hydrocarbons and prolongs the service life of the catalyst. . |
| priorityDate | 2019-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 59.