| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2eb71eca5d4adbb50fb2e295e81f2dff
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-444
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-04 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F3-345 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F3-00 |
| filingDate |
2009-02-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4faab13f6762d93949d10d6efb4a88af |
| publicationDate |
2009-08-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2009101090-A1 |
| titleOfInvention |
Method and apparatus for biological treatment of spent caustic |
| abstract |
The invention provides a method and apparatus for biologically treating a spent caustic to provide a treated spent caustic, said method comprising the steps of : (a) passing a spent caustic stream (25) comprising water, alkali metal hydroxide and sulphide to a first bioreactor (30); (b) biologically oxidising sulphide in the first bioreactor (30) with sulphide-oxidising bacteria to form sulphur (S0) and sulphate to provide a partially oxidised spent caustic comprising sulphur (S0) and sulphate; (c) passing the partially oxidised spent caustic to a second bioreactor (40) where at least a portion of the partially oxidised spent caustic is further oxidised with sulphide-oxidising bacteria to generate sulphate from sulphur (S0) to provide a treated spent caustic comprising sulphate. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11339411-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3409642-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3390288-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-4043408-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108430937-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2021130209-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2020016238-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2769804-C2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2020016241-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I684643-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018219991-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112534094-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112534094-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11548785-B2 |
| priorityDate |
2008-02-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |