http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106478469-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-40 |
| filingDate | 2015-09-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106478469-B |
| titleOfInvention | A kind of method of the recycling of residual nitric acid in nitrification liquid of H acid |
| abstract | The invention belongs to the technical field of organic chemical industry, it is related to the method for the recycling of residual nitric acid in the nitrification liquid of reactive dye intermediate H acid, more specifically, it is related to one kind using refined naphthalene as raw material, after sulfonated, nitrification, reaction in-situ occurs for the nitric acid remained using introducing in organic solvent, with nitrification liquid, can efficiently control nitric acid content and be less than 100ppm.The features of the present invention has that production environment safety and environmental protection, production cost are low and equipment investment is few. |
| priorityDate | 2015-09-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 38.