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纳米半导体光催化氧化木质素制香兰素初探 被引量:3

Preparation of Vanillin by Photocatalytic Oxidation of Lignin on Nano-Semiconductor
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摘要 制浆造纸废水是重要的环境污染物之一,其中尤以制浆废液污染最为严重。木质素是制浆废液的主要成分,也是木材的主要成分之一,是一种重要的植物资源。半导体多相光催化氧化技术是当前世界水处理研究中最为活跃的领域之一,具有反应条件温和、速度快、效率高、工艺简单洁净、无二次污染等优点。文章对纳米半导体光催化氧化木质素制香兰素的方法进行了初步探索,证明这种方法是可行的。反应中香兰素含量随反应时间先增加后减少,即存在最佳反应时间。 Pulping wastewater is one of the most important industry pollution. Lignin is the most important component of pulping wastewater. Heterogeneous photocatalytic oxidation with metal oxide semiconductor is the technology with mild reaction condition, fast rate, efficiency, simplicity, cleanness, etc. In this paper, a preparatory research is made on preparation of vanillin by photocatalytic oxidation of lignin on nano-semiconductor.
出处 《纤维素科学与技术》 CAS CSCD 2006年第1期16-20,共5页 Journal of Cellulose Science and Technology
基金 广州市科技计划项目资助课题(项目编号:2003Z3-D2051)
关键词 纳米半导体 光催化 木质素 香兰素 nano-semiconductor photocatalysis lignin vanillin
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