http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018156075-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_995c3f3ad270253a7e46492638da6164 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5236 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5281 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-11 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-66 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F2209-08 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5209 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5245 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-52 |
| filingDate | 2018-02-21^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e316552d973a0d4705d04957d306991c |
| publicationDate | 2018-08-30^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | WO-2018156075-A1 |
| titleOfInvention | Method of performing chemical precipitation in water and waste water treatment plants |
| abstract | A method of performing a precipitation process in a water or waste water treatment plant, characterized in that polymerized trivalent iron ions are used as coagulant and that the precipitation process comprises the polymerization of the trivalent iron ions to poly iron complexes in situ by the addition of OH-ions to trivalent iron ions, prior to the use of the poly iron complexes in the precipitation process,, whereby the polymerization is optimized by regulation of on one or some of the parameters reaction temperature, retention time and iron concentration so that for a given basicity the maximum charge of the complex is obtained while at the same time the flocculation ability of the complex is not inactivated, and whereby the degree of pollution in outgoing water from the precipitation step of the treatment plant is measured by on-line analysis of one or some of the parameters turbidity, colour, phosphorous, COD and TOC. A system for providing polymerized trivalent iron ions for use as coagulant in a water or waste water treatment plant is also provided. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/SE-2000040-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/SE-543905-C2 |
| priorityDate | 2017-02-21^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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