新疆黑山煤液化重质油组成结构研究  

Composition of a heavy oil from direct liquefaction of Xinjiang Heishan coal

作　　者：黄勇[1] 魏贤勇[1,2] 张明明[1] 路瑶[1] 李艳[1] 陈飞剑[1] 姚子硕[1] 周金凤[1] 宗志敏[1] 

机构地区：[1]中国矿业大学煤炭加工与高效洁净利用教育部重点实验室,江苏徐州221008 [2]武汉科技大学煤转化与新型炭材料湖北省重点实验室,湖北武汉430081

出　　处：《武汉科技大学学报》2009年第5期532-537,共6页Journal of Wuhan University of Science and Technology

基　　金：国家自然科学基金委员会创新研究群体科学基金资助项目(50921002);国家973计划项目(2004CB217601);国家自然科学基金西部能源重大研究计划重点项目(90410018);国家自然科学基金面上项目(20676142)

摘　　要：用气相色谱/质谱联用仪（GC/MS）分析馏程为360~380℃的新疆黑山煤液化重质油,检测出的主要成分为稠环芳烃及其衍生物,此外还有少量正构烷烃和以酮的形式存在的含杂原子化合物。用硅胶柱层析法分离煤液化重质油,所得洗脱馏分中质量分数较大的为石油醚洗脱馏分和石油醚/乙酸乙酯（体积比为2∶1）混合溶剂洗脱馏分,表明煤液化重质油的主要成分呈弱极性。各洗脱馏分用GC/MS分析,其可测成分与直接检测相比,多检测出偶碳烯烃、邻苯二甲酸酯类和含氮化合物等,表明合适的预分离对提高GC/MS分析的灵敏度非常重要。A heavy oil（360~380 ℃） from direct liquefaction of Xinjiang Heishan coal was analyzed with gas chromatography/mass spectrometry（GC/MS）.Detected main components were polycyclic arenes and its derivatives along with small amounts of n-alkanes and heteroatom-containing compounds with carbonyl group.The heavy oil was separated by silica-gel column chromatography.The eluated fractions with petroleum ether（PE） and with PE/ethyl acetate（2∶1,V/V） were the highest in amount,implying that the main components in the heavy oil were non-polar and weakly polar compounds.Even carbon number alkenes,phthalic esters and nitrogen heteroatom-containing components were detected in the elution fractions,while such components were not detected without silica gel column separation,indicating that preseparation is very important for increasing the sensitivity of GC/MS analysis.

关 键 词：煤液化 重质油 气相色谱/质谱 硅胶柱层析 

分 类 号：O657.7[理学—分析化学]