| 摘要: |
| 应用过氧化氢在光催化辅助下对大港减压渣油进行氧化,并进行气相色谱-质谱(GC/MS)和傅里叶红外光谱(FTIR)分析。结果表明:过氧化氢在大港重质减压残渣的光催化氧化过程中起到重要促进作用,能使重油原样中约占70％的正构烷烃逐渐转化成极性较强、有利于分离的含氧化合物(含量达92.94％);含氧化合物主要包括36.05％的有机羧酸、14.56％的有机酯以及9.05 ％的其他链式含氧化合物(醚、酮和酚类产物等),杂环类化合物达到21.57 ％,其中五元环醚化合物(呋喃类)占到19.12％;长链烃能被解聚而减小碳链单元数量;过氧化氢、催化剂、重油减渣的用量和溶剂种类等因素对过氧化氢的氧化作用都有影响。 |
| 关键词: 大港减压渣油 光催化氧化 过氧化氢 气相色谱-质谱 |
| DOI：10.3969/j.issn.1673-5005.2015.06.021 |
| 分类号::O 643.36 |
| 基金项目:国家自然科学基金项目(50974121);住房和城乡建设部科技计划项目(2013-K6-12);江苏省住房和城乡建设厅科技项目(2013ZD46);江苏省高校 “青蓝工程”项目 |
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| Effect of hydrogen peroxide on Dagang vacuum residue oxidation depolymerization assisted with photo-catalytic |
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XIE Hengshen1,2, ZONG Zhimin2, CHEN Hengbao2, WEI Xianyong2
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(1.Division of Science ＆ Technology in Jiangsu Institute of Architectural Technology, Xuzhou 221116, China;2.School of Chemical Engineering ＆ Technology in China University of Mining and Technology, Xuzhou 221008, China)
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| Abstract: |
| The Dagang vacuum residue (DVR) was oxidized by hydrogen peroxide assisted with photo-catalytic. And the oxidation efficiency was analyzed through gas chromatography-mass spectrometry (GC-MS) and Fourier transform infrared spectroscopy (FTIR). The results indicate that hydrogen peroxide plays an important role of promoting the photo-catalytic oxidation process. And about 70％ of the alkane in DVR is gradually converted into some strong polar and easily separated oxygenated compounds, and its relative content reaches 92.94％ in DVR. The compounds mainly include 36.05％ organic carboxylic acids, 14.56％ organic esters, and 9.05％ other chain oxygenated compounds (ether, ketone, and phenol products etc.). The heterocyclic compounds reaches 21.57％, of which five-membered cyclic ether compounds (furan) accounts for 19.12％. And the long chain hydrocarbons can be depolymerized through reduced carbon chain unit number. And the amounts of hydrogen peroxide, catalyst and heavy oil, as well as the different solvents have all influences on hydrogen peroxide oxidation. |
| Key words: Dagang vacuum residue photo-catalytic oxidation hydrogen peroxide gas chromatography-mass spectrometry |
