http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102702043-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_45cc3acf07db6fc61114a9c9210563dd |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-48 |
| filingDate | 2012-05-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dd34bf3543f231b3a586d11d883db26e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c285a0451705d105e66cc2ad64009118 |
| publicationDate | 2015-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102702043-B |
| titleOfInvention | Method for preparing CLT acid (6-chloro-3-nitrotoluene-4-sulfonic acid) by continuous hydrogenation reduction of 6-chloro-3-nitrotoluene-4-sulfonicacid liquid phase |
| abstract | The invention provides a method for preparing CLT acid (6-chloro-3-nitrotoluene-4-sulfonic acid) by continuous hydrogenation reduction of 6-chloro-3-nitrotoluene-4-sulfonicacidliquid phase. The method comprises the steps of passing 6-chloro-3-nitrotoluene-3-sulfonicacid liquid phase and hydrogen through a catalyst for hydrogenation reduction in a manner of continuous feeding and discharging to obtain the CLT acid in a fixed bed reactor by using Pt/Al2O3 as catalyst, wherein the Pt/Al2O3 catalyst uses aluminum oxide with a column structure or a spherical structure as a carrier and platinum (Pt) is loaded on the carrier surface as an active component with a mass ratio of 0.05%-10% of the carrier mass. Compared to prior art, the hydrogenation reduction provided by the invention has a high conversion and a few side reactions, the catalyst has a long useful life and a little pollutions to environment, so that the method has good application prospects and huge economic benefits. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109651205-A |
| priorityDate | 2012-05-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.