| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c6bb2c6cc9f8304270dda0abd034382b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cdc1659230aab53b3be0016dcc8147c4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_86254d597199eceda11114b1bfcca72a |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-61 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J4-001
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09C1-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F11-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F11-182
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-1881 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J19-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J4-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F11-18 |
| filingDate |
2008-04-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2014-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_34e50bec4bd84ee01ebcee8fa42906a9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bb44678b2e720c481b5ce584c74980c4 |
| publicationDate |
2014-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-8778294-B2 |
| titleOfInvention |
Process for production of PCC |
| abstract |
The present invention relates to a process of preparing precipitated calcium carbonate (PCC) in a low energy intensity reactor in such a manner that the amount of solids in the PCC product can be raised to 35% or more without performing a dewatering step. The process comprises performing in parallel and in two or more separate reaction vessel the steps of contacting calcium hydroxide with a gas comprising carbon dioxide to allow formation of calcium carbonate, and adding calcium oxide, lime or dry calcium hydroxide or a combination of any of the three to a part of the resulting mixture of calcium hydroxide and calcium carbonate. The invention further provides a specialized reactor system as well as the use of this reactor system in the manufacture of PCC. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9981855-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2016023915-A1 |
| priorityDate |
2007-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |