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木质素磺酸盐在UV／H2O2下的降解
  • ISSN号：0253-2417
  • 期刊名称：《林产化学与工业》
  • 时间：0
  • 分类：TQ351.013[化学工程]
  • 作者机构：[1]中国科学院广州化学研究所、纤维素化学重点实验室,广东广州510650, [2]中国科学院研究生院,北京100039, [3]中国科学院化学研究所、高分子物理与化学国家重点实验室,北京100080
  • 相关基金：国家自然科学基金资助项目（50521302;50473057）;中国科学院优秀博士学位论文启动基金（无编号）
作者： 王雪莲[1,2], 王林格[1], 黄勇[1,3]
关键词： UV/H2O2, 体系, 木质素磺酸盐, 降解, UV/H2O2 system, lignosulfonate, degradation
中文摘要：

对木质素磺酸盐在紫外光／双氧水（UV／H2O2）体系下的降解过程进行了研究，通过对比处理前后木质素磺酸盐溶液的紫外．可见光谱、凝胶渗透色谱（GPC）谱图、红外光谱谱图、^1HNMR谱图及溶液化学耗氧量（COD）的变化对其降解过程进行了跟踪和讨论。此外，通过对木质素的模型化合物——愈创木酚降解的研究，推测了降解中苯环的开环过程。实验结果表明，木质素磺酸盐在UV／H2O2体系处理下能够发生降解，降解过程中首先生成一些中间产物，随着反应时间的加长，最终能够降解成CO2、H2O2等小分子化合物。

英文摘要：

Lignosulfonate was treated in a ultraviolet irradiation/hydrogen peroxide （UV/H2O2 ） system. The degradation of lignosulfonate during this process was traced and investigated by UV-vis, GPC, IR, ^1H NMR speetroseopy and COD methods. The effect of H2O2 concentration on the degradation of lignosulfonate was discussed. A possible reaetion mechanism of the degradation was proposed. The results showed that being treated in the UV/H2O2 system, lignosulfonate was degraded and transformed into some intermediate compounds firstly, and small molecular products such as carbon dioxide and water were formed finally. Moreover, the degradation rate of lignin was increased with increased H2O2 concentration.

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期刊信息
  • 《林产化学与工业》
  • 北大核心期刊（2011版）
  • 主管单位:国家林业局
  • 主办单位:中国林学会林产化学化工分会 中国林业科学研究院林产化学工业研究所
  • 主编：宋湛谦
  • 地址：南京市锁金五村16号林化所内
  • 邮编：210042
  • 邮箱：cifp@vip.163.com
  • 电话：025-85482493 85482490
  • 国际标准刊号：ISSN：0253-2417
  • 国内统一刊号：ISSN：32-1149/S
  • 邮发代号:28-59
  • 获奖情况:
  • 全国中文核心期刊,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,英国农业与生物科学研究中心文摘,荷兰文摘与引文数据库,美国工程索引,中国中国科技核心期刊,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘
  • 被引量:13287