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  1. B300 農学部/生命農学研究科
  2. B300a 雑誌掲載論文
  3. 学術雑誌

Behavioural analysis of a nonionic detergent in the kraft pulp washing process using cryo-time-of-flight secondary ion mass spectrometry and cryo-scanning electron microscopy

http://hdl.handle.net/2237/26933
5c609fdc-28d2-4d26-ad4a-39fd73ea67ed
名前 / ファイル ライセンス アクション
Journal_of_Wood_Science_63_3_281.pdf Journal_of_Wood_Science_63_3_281.pdf ファイル公開:2018/06/01 (410.5 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-09-04
タイトル
タイトル Behavioural analysis of a nonionic detergent in the kraft pulp washing process using cryo-time-of-flight secondary ion mass spectrometry and cryo-scanning electron microscopy
著者 Tokugawa, Katsuhiro

× Tokugawa, Katsuhiro

WEKO 73330

Tokugawa, Katsuhiro

Search repository
Aoki, Dan

× Aoki, Dan

WEKO 73331

Aoki, Dan

Search repository
Asai, Ryutaro

× Asai, Ryutaro

WEKO 73332

Asai, Ryutaro

Search repository
Matsushita, Yasuyuki

× Matsushita, Yasuyuki

WEKO 73333

Matsushita, Yasuyuki

Search repository
Ishiguro, Masao

× Ishiguro, Masao

WEKO 73334

Ishiguro, Masao

Search repository
Noda, Yasufumi

× Noda, Yasufumi

WEKO 73335

Noda, Yasufumi

Search repository
Fukushima, Kazuhiko

× Fukushima, Kazuhiko

WEKO 73336

Fukushima, Kazuhiko

Search repository
権利
権利情報 The final publication is available at Springer via https://doi.org/10.1007/s10086-017-1618-3
キーワード
主題Scheme Other
主題 Cryo-TOF-SIMS
キーワード
主題Scheme Other
主題 Imaging mass spectrometry
キーワード
主題Scheme Other
主題 Kraft pulping
キーワード
主題Scheme Other
主題 Detergent
キーワード
主題Scheme Other
主題 Lignin
抄録
内容記述 In order to understand the kraft pulp decolouring mechanism on using a nonionic detergent, the pulp washing process and the resulting pulp handsheets were investigated by examining the brightness, kappa number, thioacidolysis product yield, and dewatering efficiency in the pressing sheet making process. The pulp decolouring could be attributed to a decrease in the lignin content and an improvement in the dewatering efficiency. Furthermore, the detergent distribution in the aqueous pulp suspension obtained during the pulp washing process was visualised using cryo-time-of-flight secondary ion mass spectrometry/scanning electron microscopy (cryo-TOF-SIMS/SEM). The detergent was clearly observed at the transverse surface of the pulp fibre cell wall and was also detected in the lumen of the fibres, suggesting the permeation of the detergent into the pulp fibre cell wall. Based on these results, the pulp decolouring mechanism can be proposed as follows: the detergent permeates into the pulp fibre cell wall and promotes the solution-exchange between the inside and the outside parts of the fibre cell wall, finally washing away the chromophoric substances such as lignin and its degradation products owing to the enhanced dewatering efficiency.
内容記述タイプ Abstract
出版者
出版者 Springer
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 1435-0211
書誌情報 Journal of Wood Science

巻 63, 号 3, p. 281-287, 発行日 2017-06
著者版フラグ
値 author
URI
識別子 https://doi.org/10.1007/s10086-017-1618-3
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26933
識別子タイプ HDL
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