NDLI: Ozone–dioxane delignification from the cell walls of Japanese cypress (Chamaecyparis obtusa Endl.)

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Journal of Material Cycles and Waste Management : Volume 8, Issue 1, March 2006

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Journal of Material Cycles and Waste Management : Volume 1

Ozone–dioxane delignification from the cell walls of Japanese cypress (Chamaecyparis obtusa Endl.)

Content Provider	Springer Nature Link
Author	Yokota, Shinso Iizuka, Kazuya Ishiguri, Futoshi Abe, Zensaku Yoshizawa, buo
Copyright Year	2006
Abstract	Delignification from the cell walls with a combination of ozone oxidation and dioxane–water extraction using thin sections of a softwood, Japanese cypress (Chamaecyparis obtusa Endl.), was studied to determine its suitability for the production of recyclable cellulose-based materials from wood waste. The visible-light absorption spectra of treated wood sections revealed that delignification from the cell walls with ozone increased with increasing ozonization time. Ozone delignification proceeded from the lumen side toward the middle lamella within the secondary wall of a cell, and it proceeded faster in early wood than in late wood within an annual ring. Mild ozonization for 10–30 min was sufficient for the removal of lignin from the cell walls when sections were extracted with dioxane after ozonization. The results obtained here demonstrate that microspectrometry coupled with the Wiesner reaction is useful for the quantitative analysis of lignin in cell walls.
Starting Page	140
Ending Page	144
Page Count	5
File Format	PDF
ISSN	14384957
Journal	Journal of Material Cycles and Waste Management
Volume Number	8
Issue Number	2
e-ISSN	16118227
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-09-20
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ozonization Dioxane Lignin Cell wall Microspectrophotometry Environmental Management Industrial Pollution Prevention Waste Management/Waste Technology
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Mechanics of Materials

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