http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2018135014-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C53-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C53-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-12 |
| filingDate | 2017-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-WO2018135014-A1 |
| titleOfInvention | Method for producing acetic acid |
| abstract | Provided is a method for producing acetic acid capable of industrially advantageously separating and removing acetaldehyde as a by-product in a separation step of separating a process stream into an aqueous phase and an organic phase. In the present invention, the liquid separation step satisfies the following conditions (vi) to (viii), for example, and at least a part of the aqueous phase is treated in the acetaldehyde separation and removal step. (Vi) The acetaldehyde concentration in the aqueous phase is 28.1% by mass or less and / or the acetaldehyde concentration in the organic phase is 24.8% by mass or less. (Vii) The temperature at the time of liquid separation is 70 ° C. or less. (Viii) The methyl acetate concentration in the aqueous phase is 12.0% by mass or less, and / or the methyl acetate concentration in the organic phase is 47.6% by mass or less, and / or the methyl acetate concentration in the aqueous phase is organic. The sum of the methyl acetate concentrations in the phase is 59.6% by weight or less |
| priorityDate | 2017-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 45.