Title:
使用済み吸収性物品からパルプ繊維を回収する方法及びシステム
Document Type and Number:
Japanese Patent JP7168350
Kind Code:
B2
Abstract:
Provided is a method that, when pulp fibers are recovered from used absorbent articles that have been put into collection bags, makes it possible to safely and sanitarily crush the used absorbent articles while suppressing costs. A method for recovering pulp fibers from used absorbent articles, the method comprising: a crushing step (S12) in which collection bags (A) in which used absorbent articles have been sealed are put into a container (65), the collection bags in the container are transferred to a crushing device (12) that communicates with the container, and, bag by bag, the crushing device crushes the used absorbent articles in the collections bags in a deactivating aqueous solution; and a separation step (S13) in which the pulp fibers, a highly water-absorbent polymer, and the deactivating aqueous solution are separated from the crushed product and deactivating aqueous solution obtained in the crushing step.
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Inventors:
Takayoshi Konishi
Toshio Hiraoka
Takashi Kato
Noritomo Kurita
Toshio Hiraoka
Takashi Kato
Noritomo Kurita
Application Number:
JP2018106406A
Publication Date:
November 09, 2022
Filing Date:
June 01, 2018
Export Citation:
Assignee:
UNI-CHARM CO.,LTD.
International Classes:
D21C5/02; B02C18/00; B02C23/18; B09B3/30; B09B3/70; D21B1/16
Domestic Patent References:
JP3139358U | ||||
JP3096152U | ||||
JP2006007111A | ||||
JP2001310178A | ||||
JP2016514043A | ||||
JP2018084470A |
Foreign References:
WO2015190140A1 | ||||
CN106861853A | ||||
CN103418605A | ||||
CN106115026A |
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Hiroyuki Onoda
Takenori Okuno
Kenji Fujimoto
Shinji Mihashi
Hiroyuki Onoda
Takenori Okuno
Kenji Fujimoto
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