http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105502454-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-80 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F7-74 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F7-74 |
| filingDate | 2015-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105502454-B |
| titleOfInvention | Method for preparing high-purity aluminum sulfate from industrial sludge and scrap in aluminum material factory through resource utilization |
| abstract | The invention discloses a method for preparing high-purity aluminum sulfate from industrial sludge and scrap in an aluminum material factory through resource utilization. The method comprises the following steps: sulfuric acid is added to industrial sludge in the aluminum material factory for acid dissolution, an oxidant is added to decompose organic matters, and solid-liquid separation is performed; filtrate is added to a reaction kettle A, scrap in the aluminum material factory is added, acid-acid dissolution and a replacement reaction are performed, and solid-liquid separation is performed; filtrate is added to a reaction kettle B, alkali is added, a neutralization reaction and a salting-out reaction are performed, sulfuric acid is added until the pH (potential of hydrogen) value is adjusted to 2.0-3.5, solid-liquid separation is performed, and the filtrate is liquid aluminum sulfate; the liquid aluminum sulfate is crystallized, and solid aluminum sulfate is obtained after the crystals are ground. The aluminum sulfate has a beautiful appearance, is high in purity and low in acidity and has little influence on a stock solution if aluminum sulfate is used for water treatment, the content of heavy metal is low, the total phosphorus content is low, and the use effect is superior to that of like products. The method is simple in operation, low in cost and good in economic benefit and environmental benefit and realizes reutilization of waste. |
| priorityDate | 2015-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 57.