http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109865736-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B09B3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25C3-08 |
| filingDate | 2019-03-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109865736-B |
| titleOfInvention | Method for preparing adsorption material from waste cathode leaching residues of aluminum electrolysis cell |
| abstract | The invention relates to a method for preparing an adsorption material by using waste cathode leaching residues of an aluminum electrolysis cell, belonging to the field of recovery of aluminum electrolysis solid waste resources. The inventionUniformly mixing the waste cathode water leaching residue of the aluminum electrolytic cell with calcium salt, firing at high temperature under inert atmosphere, fixing fluorine, opening pores, cooling, repeatedly washing with dilute acid, realizing harmlessness, and simultaneously preparing the high-efficiency adsorbing material. In addition, calcium salt is added into the leaching solution, and tail liquid is recycled after fluorine in the leaching solution is recovered. The specific surface area of the adsorption material prepared by the invention is up to 40m 2 The adsorption capacity of Cd (II) in the aqueous solution reaches 370mg/g, and the adsorption capacity of Pb (II) reaches 270 mg/g. The method has short process flow, uses waste to treat waste, realizes the resource utilization of the waste cathode leaching residue of the aluminum electrolytic cell, is easy for large-scale production, and has better industrial application prospect. |
| priorityDate | 2019-03-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 50.