http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0502896-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9b92383ffedfb6d274424d600c7d2a6a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J6-004 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F7-445 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J8-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F27B15-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F7-445 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J6-00 |
| filingDate | 1990-11-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f0d436d74279b9f0aa33bb5cbecdab78 |
| publicationDate | 1992-09-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0502896-A1 |
| titleOfInvention | METHOD FOR CALCINATING ALUMINUM OXIDE TRIHYDRATE FOR PRODUCING ALUMINUM OXIDE AND DEVICE THEREFOR. |
| abstract | Process for the production of alumina which allows a marked improvement in the calcination capacity thanks to the use of an overall heat exchange system in which the alumina hydrate is heated in stages in a plurality of stages of heat exchange at steadily increasing temperatures approaching calcining temperatures and is then introduced into a calcining furnace for final conversion to alumina, the calcined alumina then being cooled in a plurality of heat exchange stages, a considerable amount of heat being transferred from the stages of cooling the calcined alumina to the stages of heating the alumina hydrate at a temperature which is, at each stage, only slightly higher than the temperature of a stage of heating or at which heat is consumed in this floor. System efficiency can be further increased by pre-drying the alumina hydrate to remove surface moisture using system air. It is furthermore possible to use exhaust gases from the calcining furnace to preheat the combustion and fluidization air for the calcining furnace. |
| priorityDate | 1989-11-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 19.