| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_430626da3b6c11d30ca44903e2079e1e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F23J15-006
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-8637
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D49-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B09B3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D49-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01C1-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F23J15-00 |
| filingDate |
1980-08-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9daf3e092b3898ab87f60a613b10ab2f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_78fee6c45d105331fd0432b713446cf4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_03678961099521be95d065355ffc8e89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_50a7793ac6fe28b9a3e971354eb5d8da
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_27a35d189cbb8de47a4ff0f0ce4204d9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e04661c3a91bcd1ce7ea76c6f4d397a |
| publicationDate |
1981-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4288420-A |
| titleOfInvention |
Removal of nitrogen oxides and sulfur oxides by ammonia |
| abstract |
When exhaust gas from a coal-burning boiler containing NO x as well as SO x is subjected to NO x removal by catalytic reduction of the NO x with ammonia and the coal ashes contained in the gas are separated, the coal ashes are contaminated by a certain quantity of ammonium compounds produced from the SO x and the ammonia excessively used. The ammonium compounds in the coal ashes are decomposed into ammonia and a sulfur compound by heating by the hot gas at a temperature in the restricted range, viz. 350° to 700° C., thereby to release ammonia into the gas preferentially to the sulfur compound. The ammonia thus released is recycled to the NO x removal step. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5795548-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5176088-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4853193-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6941742-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5814288-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4867953-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8580979-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6387336-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6290066-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6863875-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3429999-A1 |
| priorityDate |
1979-09-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |