Title:
MODIFIED PULP PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/168620
Kind Code:
A1
Abstract:
A modified pulp production method includes a dewatering/washing step for performing a dewatering/washing treatment on the modified pulp, wherein: a plurality of rounds of the dewatering/washing treatment of the modified pulp are performed in the dewatering/washing step; and when the modified pulp, having been collected in a solution-sending source tank, is being dewatered by a dewatering machine in the plurality of rounds of the dewatering/washing treatment, filtrate from the dewatering machine is collected and returned to the solution-sending source tank for a predetermined length of time from a start of supply of solution to the dewatering machine that has been established for each of the rounds.
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Inventors:
TADA YUSUKE (JP)
Application Number:
PCT/JP2018/008896
Publication Date:
September 20, 2018
Filing Date:
March 08, 2018
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
International Classes:
D21H11/16; C08B1/00; C08B15/00
Domestic Patent References:
| WO2014007105A1 | 2014-01-09 |
Foreign References:
| JP2013067904A | 2013-04-18 | |||
| JP2013067906A | 2013-04-18 | |||
| JP2014125690A | 2014-07-07 | |||
| JP2012520944A | 2012-09-10 |
Attorney, Agent or Firm:
FUJIMOTO Yoshihiro (JP)
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