| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6bfdf49224a405be1f7b653c56ebad94 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02C20-30 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J29-76
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-28 |
| filingDate |
2008-12-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ecfb259053cae0e84f70cc5d342a4e1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ddc43248bca7ca3c63aeea74b2ab2f71
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_61ef8f7ebaaa503cd5d59466bf18e371 |
| publicationDate |
2009-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2009166031-A |
| titleOfInvention |
Nitrogen oxide purification catalyst and nitrogen oxide purification method |
| abstract |
An iron silicate catalyst that can efficiently purify nitrogen oxide in a wide temperature range from low temperature to high temperature and has high hydrothermal durability, and a method for purifying nitrogen oxide using the same. In a crystalline silicate having a β-type structure in which the ratio of SiO 2 / Fe 2 O 3 is 20 to 300 and the iron content is 80% or more, the selective reduction performance of nitrogen oxide at low temperature Is expensive. The iron in the β-type iron silicate is preferably an isolated iron ion having a symmetric tetrahedral structure that can be confirmed by ultraviolet-visible absorption measurement and electron spin resonance measurement, and particularly an isolated iron ion having a symmetric tetrahedral structure in the contained iron Is preferably 20% or more. [Selection] Figure 1 |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2013215649-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2013015027-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9675935-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2011148678-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2013094770-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2011078149-A1 |
| priorityDate |
2007-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |