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先锋褐煤及其热溶残煤的过氧化氢氧解

潘春秀 ,  魏贤勇 ,  李汉青 ,  水恒福 ,  王知彩 ,  祝婉婉 ,  赵智军 ,  宗志敏

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引用本文: 潘春秀, 魏贤勇, 李汉青, 水恒福, 王知彩, 祝婉婉, 赵智军, 宗志敏. 先锋褐煤及其热溶残煤的过氧化氢氧解[J]. 燃料化学学报, 2013, 41(12): 1415-1421. shu
Citation:  PAN Chun-xiu, WEI Xian-yong, LI Han-qing, SHUI Heng-fu, WANG Zhi-cai, ZHU Wan-wan, ZHAO Zhi-jun, ZONG Zhi-min. H2O2 oxidation of Xianfeng lignite and its thermal extraction residue[J]. Journal of Fuel Chemistry and Technology, 2013, 41(12): 1415-1421. shu

先锋褐煤及其热溶残煤的过氧化氢氧解

    通讯作者: 水恒福，E-mail：shhf@ahut.edu.cn。
  • 基金项目:

    国家重点基础研究发展规划（973计划，2011CB201302）；国家自然科学基金（U1261208，21076001，21306001，20936007，21176001，51174254）；中日战略合作专项（2013DFG60060）；安徽省高校优秀青年人才基金（2012SQRL041）；安徽工业大学SRTP项目。 

摘要: 利用1-甲基萘（1-MN）对先锋褐煤进行热溶，并在温和条件下分别对原煤及其热溶残煤进行过氧化氢氧化。结合元素分析和FT-IR对各级产物进行结构表征，用GC/MS对氧化反应水溶性产物的甲酯化衍生物进行分析。结果表明，先锋褐煤在1-MN中的热溶率较低，320 ℃下热溶残煤（TR）的收率为81.01%，该煤主要以共价键交联的大分子结构为主，非共价键缔合的小分子含量较低，并以脂肪结构为主，含一定量的羰基以及少量的羟基和芳香结构。原煤和热溶残煤氧化水溶性产物中α，ω-二羧基烷酸含量较高，同时还发现，相当含量的芳香酸及三元羧酸存在，其中，α，ω-二羧基烷酸主要以丙二酸和丁二酸为主；原煤中可溶小分子易被氧化并生成较复杂的产物。与原煤相比，热溶残煤结构更为规整，氧化主要以共价键交联的大分子结构的氧化解聚为主，氧解率较低，水溶性氧解产物也较简单，种类较少，据此推测先锋褐煤的桥键主要以为-CH2-和-CH2-CH2-为主。

English

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  • 收稿日期:  2013-03-20
  • 网络出版日期:  2013-05-21
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