http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102275992-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cbde5c227e6854491e9d21a82055f512 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G37-14 |
| filingDate | 2011-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_21481d01aa30dd68fce0a8274bf68f37 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0785a221fdbc9574b6f1448fa2148aee http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_986c94bd3dbe8c181a44e513fc1a5698 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cac8f32b2367e3b4242010c6e5f113c3 |
| publicationDate | 2013-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102275992-B |
| titleOfInvention | Two-stage roasting method for chromite |
| abstract | The invention discloses a two-stage roasting method for chromite and particularly relates to a non-calcium two-stage roasting method for chromite. The method comprises the following steps: mixing chromite, sorted return slag and sodium carbonate, transferring into a first kiln, heating the mixture in the first kiln under the condition that oxygen is excluded, transferring the product into a second kiln, ventilating before heating, leaching and washing the obtained solid clinker, returning the sorted chromium slag to the mixing stage, and detoxifying the tailing for comprehensive utilization. Compared with the prior art, the chromite oxidation ratio of the method is high, the reaction rate is higher, and the leaching rate is high; and the utilization of the return slag can save the cost and reduce pollutions. Thus, in the non-calcium roasting field of chromium salt, the method has popularization and application values for environmental protection and enterprise benefit gaining. |
| priorityDate | 2011-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.