http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110468282-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P10-20 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B15-008 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22B7-008 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22B15-00 |
| filingDate | 2019-09-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-01-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-01-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110468282-B |
| titleOfInvention | Alkaline leaching dearsenification method for arsenic-containing material |
| abstract | The invention provides an alkaline leaching dearsenification method for arsenic-containing materials, belongs to the technical field of wet metallurgy, and aims to solve the problems that the existing method for treating the arsenic-containing materials is poor in operation environment, high in energy consumption, low in arsenic recovery rate, high in production cost, complex in process flow, not beneficial to economic production and the like, and the obtained product is easy to cause secondary pollution to the environment. The method comprises the following steps: s1, weighing the arsenic-containing material; s2, according to the liquid-solid mass ratio of 3: 1-12: 1, adding a reaction solution into an arsenic-containing material for reaction, wherein a water bath is adopted in the reaction process, and the temperature of the water bath is 25-95 ℃, wherein the reaction solution at least comprises a sodium carbonate solution with the concentration of 100-300 g/L; s3, reacting for 2-5 h, and filtering the solution after reaction to obtain leaching residues and a leaching solution. The reaction solution in the S2 further comprises a sodium sulfide solution, wherein the concentration of the sodium sulfide solution is 0-100 g/L. |
| priorityDate | 2019-09-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 37.