http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108188145-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B09B3-20 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B09B3-00 |
| filingDate | 2017-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108188145-B |
| titleOfInvention | Method for stabilizing arsenic-containing waste residue |
| abstract | The invention provides a method for stabilizing arsenic-containing waste residue, which comprises the steps of mixing the arsenic-containing waste residue, water-soluble silicate, water-soluble aluminum salt and water, and carrying out double decomposition reaction; the pH value in the double decomposition reaction is 2-11. According to the invention, the arsenic-containing waste residue, the silicate, the aluminum salt and water are mixed under a proper pH value condition for double decomposition reaction, and the silicate and the aluminum salt generate a silicon-aluminum composite material to be coated on the surface of the arsenic-containing waste residue, so that the arsenic-containing waste residue is isolated from the external environment, the stability of the arsenic-containing waste residue is further improved, and the arsenic is prevented from being released again. The results of the embodiment show that the silicon-aluminum composite material is coated on the surface of the arsenic-containing waste residue in a micro manner by adopting the method provided by the invention, and leaching stability test for 10 days can still better control the arsenic-containing waste residue to further release arsenic into the environment, so that secondary pollution to the environment is avoided. |
| priorityDate | 2017-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 38.