EUCALYPTUS PULP BLEACHING USING LACCASE WITH NATURAL/ SYNTHETIC MEDIATORS

摘要：

In this study, eucalyptus pulp was bleached using laccase-natural/synthetic mediator-system (LMS) and ECF bleaching sequences. LMSQP and D(EOP)D bleaching sequences were carried out respectively. HBT (synthetic-mediator) and eight different natural plant phenols, namely vanillin, vanillic adic, syringalderhyde, syringic acid, hydroxybenzaldehyde, hydroxybenzoic acid, acetosyringone, ferulic acid were used as mediators in laccase bleaching. The performances of the eight natural mediators were evaluated. Properties of bleached pulps were compared and the pollution loads of bleaching effluents including CODCTand BOD5 were discussed. The contents of HexA acid were also analyzed.

关键词： eucalyptus LMS bleaching natural mediator

作者: Qianqian Wang Huaiyu Zhan Shiyu Fu

作者单位: State Key Laboratory of Pulp & Paper Engineering, South China University of Technology, Guangzhou 510640,China

会议类型: 国际会议

会议名称: 16th International Symposium on Wood,Fiber and Pulping Chemistry(第十六届木材、纤维及制浆化学国际会议)

会议地点: 天津

会议语种:英文

页码: 1168-1171

在线出版日期: 2011-06-08（万方平台首次上网日期，不代表论文的发表时间）