EFFECT OF LIGNIN STRUCTURE ON BLEACHING PERFORMANCE AND BRIGHTNESS OF WHEAT STRAW CMP

机译：木质素结构对小麦秸秆CMP漂白性能和亮度的影响

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Chromophoric groups and auxchromic groups in lignin structure in wheat straw CMP were determined before and after bleaching with hydrogen peroxide. Chromophoric group and auxochromic group of wheat straw's lignin such as phenol hydroxyl, carbonyl and quinone groups could not be destroyed effectively by hydrogen peroxide, the lignin of wheat straw CMP was great resistance to H_2O_2, leading to poor bleaching performance. Measures taken to activate the lignin and improve the permeability of H_2O_2 would help to promote the bleaching results.

机译：在用过氧化氢漂白前后，测定了麦秸CMP中木质素结构的发色基团和增色基团。过氧化氢不能有效地破坏小麦秸秆木质素的发色基团和变色基团，如酚羟基，羰基和醌基，麦秸秆CMP的木质素对H_2O_2的抵抗力强，漂白性能差。采取措施活化木质素并提高H_2O_2的渗透性将有助于促进漂白效果。

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来源
《New Technologies in Non-wood Fiber Pulping and Papermaking》|2006年|77-79|共3页
会议地点 Guangzhou(CN)
作者
Ma Yongwen; Wan Jinquan; Wu Jiao; Chen Zhonghao;
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作者单位

State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, China;

College of Environment Science and Engineering, South China University of Technology, Guangzhou, 510640, China.;

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会议组织
原文格式 PDF
正文语种 eng
中图分类造纸工业;
关键词
wheat straw; CMP; chromophoric groups; auxochromic groups; lignin; bleaching performance;

机译：麦秸; CMP；发色基团变色团;木质素漂白性能;

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2. The unmasking of lignin structures in wheat straw by alkali [J] . Durot N, Gaudard F, Kurek B Phytochemistry . 2003,第5期

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3. Crystalline Structure Properties of Bleached and Unbleached Wheat Straw (Triticum Aestivum L.) Soda-Oxygen Pulp [J] . ESAT GüMü?KAYA MUSTAFA USTA Turkish Journal of Agriculture & Forestry . 2002,第5期

机译：漂白和未漂白麦草苏打浆的晶体结构特性
4. EFFECT OF LIGNIN STRUCTURE ON BLEACHING PERFORMANCE AND BRIGHTNESS OF WHEAT STRAW CMP [C] . Ma Yongwen, Wan Jinquan, Wu Jiao, International Non-wood Fiber Pulping and Papermaking Conference . 2006

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5. Process- Yield- Structure- Bioconversion of Organosolv Lignin from Wheat Straw [D] . Ramezani, Nasim 2019

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6. History of adaptation determines short‐term shifts in performance and community structure of hydrogen‐producing microbial communities degrading wheat straw [O] . Idania Valdez‐Vazquez, Ana L. Morales, Ana E. Escalante 2017

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7. Autohydrolysis and aqueous ammonia extraction of wheat straw: effect of treatment severity on yield and structure of hemicellulose and lignin [O] . Sipponen, Mika, Pihlajaniemi, Ville, Sipponen, Satu, 2014

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EFFECT OF LIGNIN STRUCTURE ON BLEACHING PERFORMANCE AND BRIGHTNESS OF WHEAT STRAW CMP

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