TEMPO-Mediated Oxidation to Improve Deinked Pulp Quality

被引：1
|
作者：
Leroux, J. [1 ]
Daneault, C.
Chabot, B. [1 ]
机构：
[1] Univ Quebec, Ctr Integre Pates & Papiers, Trois Rivieres, PQ GA9 5H7, Canada
来源：
PULP & PAPER-CANADA | 2010年 / 111卷 / 01期
关键词：
DEINKED PULP; TEMPO; OXIDATION; STRENGTH PROPERTIES; OPTICAL PROPERTIES; BLEACHING; FIBERS;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Deinked pulp slurries were oxidized with TEMPO (4-acetamido-2,2,6,6-tetramethylpiperidine-1-oxyl radical), sodium bromide, and sodium hypochlorite tinder various conditions to improve both optical and strength properties. Oxidation treatments showed significant improvements for tensile and burst while tear was decreased. Pulp brightness was reduced due to pulp darkening from alkaline conditions used for oxidations. However, bleaching with hydrogen peroxide following the oxidation stage was found to recover the brightness loss.
引用
收藏
页码：18 / 22
页数：5
相关论文
共 50 条
  • [11] ASPECTS ON BLEACHING AND TEMPO-MEDIATED OXIDATION OF WHEAT STRAW PULP FRACTIONS
    Hulten, Anette Heijnesson
    Basta, Jiri
    Samuelsson, Marie
    Greschik, Thomas
    Ander, Paul
    Daniel, Geoffrey
    BIORESOURCES, 2012, 7 (03): : 3051 - 3063
  • [12] Influence of the quality of microcrystalline cellulose on the outcome of TEMPO-mediated oxidation
    Reeta Salminen
    Mehedi Reza
    Kari Vanhatalo
    Eero Kontturi
    Cellulose, 2017, 24 : 5697 - 5704
  • [13] Influence of the quality of microcrystalline cellulose on the outcome of TEMPO-mediated oxidation
    Salminen, Reeta
    Reza, Mehedi
    Vanhatalo, Kari
    Kontturi, Eero
    CELLULOSE, 2017, 24 (12) : 5697 - 5704
  • [14] TEMPO-mediated oxidation of cellulose III
    Perez, DD
    Montanari, S
    Vignon, MR
    BIOMACROMOLECULES, 2003, 4 (05) : 1417 - 1425
  • [15] INFLUENCES OF INTEGRATED RECYCLING AND TEMPO-MEDIATED OXIDATION ON THE PROPERTIES OF THERMOMECHANICAL PULP FIBERS
    Ma, Pu
    Law, Kwei-Nam
    Danealut, Claude
    Zhai, Huamin
    PROCEEDING OF INTERNATIONAL MECHANICAL PULPING CONFERENCE 2011, 2011, : 438 - 443
  • [16] Overview of TEMPO-mediated oxidation of polysaccharides
    Isogai, Akira
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2017, 253
  • [17] Sonocatalysis of the TEMPO-mediated oxidation of glucosides
    Brochette-Lemoine, S
    Joannard, D
    Descotes, G
    Bouchu, A
    Queneau, Y
    JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 1999, 150 (1-2) : 31 - 36
  • [18] Studies on Kinetics and Reuse of Spent Liquor in the TEMPO-Mediated Selective Oxidation of Mechanical Pulp
    Mao, Lianshan
    Ma, Pu
    Law, Kweinam
    Daneault, Claude
    Brouillette, Francois
    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2010, 49 (01) : 113 - 116
  • [19] TEMPO-mediated surface oxidation of cellulose whiskers
    Habibi, Youssef
    Chanzy, Henri
    Vignon, Michel R.
    CELLULOSE, 2006, 13 (06) : 679 - 687
  • [20] Chemical modifications of cellulose by TEMPO-mediated oxidation
    Isogai, A
    Shibata, I
    SEN-I GAKKAISHI, 2001, 57 (06) : P163 - P167
12345