固有碳酸盐和硅酸盐对太姥油页岩热解产物的影响
发布时间：2018-09-18 20:20
【摘要】：通过逐级酸洗脱除新疆太姥油页岩中的碳酸盐和硅酸盐矿物,采用铝甑炉对油页岩原样和脱矿样进行热解,分析油气产物的组成性质,基于产物产率和性质考察了固有矿物质对油页岩热解的影响。结果表明,碳酸盐能促进热解生油,且使页岩油中含氮、氧化合物含量增大,硅酸盐则抑制热解生油,并抑制含氧化合物的生成,二者均使页岩油的H/C降低。硅酸盐可促进烷基自由基与氢自由基的结合,使页岩油中烷烃含量升高、烯烃含量降低,且使H_2产率减小,并能催化长链脂肪烃的裂解,使页岩油中长链烃含量降低、短链烃含量升高,且使烃类气体产率增大,而碳酸盐则抑制自由基的结合和长链脂肪烃的裂解。
[Abstract]:The carbonate and silicate minerals were removed from Xinjiang Taibasi oil shale by acid washing step by step. The raw and demineralized samples of oil shale were pyrolyzed by aluminum retort, and the composition properties of oil and gas products were analyzed. The effect of inherent minerals on the pyrolysis of oil shale was investigated based on the yield and properties of the product. The results show that carbonate can promote pyrolytic oil generation and increase the content of oxygen compounds and nitrogen in shale oil. Silicate can inhibit pyrolysis oil generation and inhibit the formation of oxygenated compounds. Both of them can reduce the H / C ratio of shale oil. Silicate can promote the combination of alkyl radical and hydrogen radical, increase the content of alkane in shale oil, decrease the content of olefin, decrease the yield of H _ 2, catalyze the cracking of long chain fatty hydrocarbon, and decrease the content of long chain hydrocarbon in shale oil. The content of short chain hydrocarbon increased and the yield of hydrocarbon gas increased, while carbonate inhibited the binding of free radical and the cracking of long chain fatty hydrocarbon.
【作者单位】： 中国矿业大学(北京)化学与环境工程学院;
【基金】：国家重点基础研究发展计划项目(2014CB744301)~~
【分类号】：TE662
[Abstract]:The carbonate and silicate minerals were removed from Xinjiang Taibasi oil shale by acid washing step by step. The raw and demineralized samples of oil shale were pyrolyzed by aluminum retort, and the composition properties of oil and gas products were analyzed. The effect of inherent minerals on the pyrolysis of oil shale was investigated based on the yield and properties of the product. The results show that carbonate can promote pyrolytic oil generation and increase the content of oxygen compounds and nitrogen in shale oil. Silicate can inhibit pyrolysis oil generation and inhibit the formation of oxygenated compounds. Both of them can reduce the H / C ratio of shale oil. Silicate can promote the combination of alkyl radical and hydrogen radical, increase the content of alkane in shale oil, decrease the content of olefin, decrease the yield of H _ 2, catalyze the cracking of long chain fatty hydrocarbon, and decrease the content of long chain hydrocarbon in shale oil. The content of short chain hydrocarbon increased and the yield of hydrocarbon gas increased, while carbonate inhibited the binding of free radical and the cracking of long chain fatty hydrocarbon.
【作者单位】： 中国矿业大学(北京)化学与环境工程学院;
【基金】：国家重点基础研究发展计划项目(2014CB744301)~~
【分类号】：TE662
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