Title:
METHOD FOR PRODUCING ORGANIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/067050
Kind Code:
A1
Abstract:
[Problem] To provide a method wherein, from an organic material-containing solution obtained by microbial fermentation, a microorganism, etc., a nitrogen compound and a phosphorus compound are removed all at once. Thus, foaming can be inhibited in, for example, a step of purification by distillation, etc., which enables the continuous operation of the method. In this method, moreover, a liquid discharge (a column bottom liquid) can be treated as such without separately performing a purification treatment. [Solution] A method for producing an organic material, said method comprising: a microbial fermentation step for obtaining a first organic material-containing solution containing the organic material, a nitrogen compound, a phosphorus compound and a microorganism by microbial fermentation; a separation step for heating the first organic material-containing solution and thus separating the solution into a liquid or solid component containing the nitrogen compound, the phosphorus compound and the microorganism and a gas component containing the organic material; a liquefaction step for liquefying the gas component containing the organic material by condensation to give a second organic material-containing solution; and a second purification step for separating the second organic material-containing solution into a distillate containing the organic material and a second column bottom liquid, wherein the concentration of the nitrogen compound in the second column bottom liquid is 0-150 ppm relative to the total mass of the second column bottom liquid, and the concentration of the phosphorus compound in the second column bottom liquid is 0-5 ppm relative to the total mass of the second column bottom liquid.
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Inventors:
HAMACHI KOKORO (JP)
SHIMIZU SATOSHI (JP)
SHIMIZU SATOSHI (JP)
Application Number:
PCT/JP2019/037341
Publication Date:
April 02, 2020
Filing Date:
September 24, 2019
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C12P7/08; B09B3/00; C12P1/00; C12P1/04; C12P7/04; C12N1/20
Domestic Patent References:
| WO2011064450A1 | 2011-06-03 | |||
| WO2016043163A1 | 2016-03-24 |
Foreign References:
| JP2016029921A | 2016-03-07 | |||
| JP2016131549A | 2016-07-25 | |||
| JP2011177159A | 2011-09-15 | |||
| US20170260552A1 | 2017-09-14 |
Other References:
See also references of EP 3859000A4
Attorney, Agent or Firm:
NAGAI Hiroshi et al. (JP)
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