油页岩在不同催化剂预热处理条件下热解研究
本文选题：油页岩 切入点：催化剂 出处：《吉林大学》2017年硕士论文 论文类型：学位论文
【摘要】：石油资源的逐渐枯竭、低油价和巨大的储存量,甚至是全球能源的预期增长,在近几年,引起了全球范围内越来越多对油页岩的利用的关注,油页岩被看作是缓解石油供应压力的主要的可选择来源。在这项研究中,评估了桦甸(HD)油页岩与不同催化剂(即氢氧化钠和硝酸钠),金属氯化物(即亚锡、钼和锌的氯化物)以及(硝酸钾)相互作用的的动力学参数。通过傅立叶变换红外光谱(FTIR)、X-射线衍射(XRD)、热重量(TGA)分析、气相色谱质谱(GC-MS)、元素分析和扫描电子显微镜进行了表征油页岩和固体残留物。另外,通过Coats-Redfern方法对动力学参数(活化能E和频率因子A)进行计算。结果显示,对油页岩的热解高温分解来说,添加金属氯化物的影响大于其他催化剂的作用。用催化剂处理的样品的活化能表现出最高的下降。与未经催化剂处理的样品相比,特别是样品相比,金属氯化物催化剂的存在(SnCl2、MoCl5和ZnCl2),分别下降15.1 kJ mol-1,10.66 kJ mol-1,20.58 kJ mol-1。此外,硝酸钠和硝酸钾降低约7.26 kJ mol-1和4.98 kJ mol-1。这项研究打开了一个崭新且可利用的方法,使得油页岩可以在低温下被处理,以及提高桦甸油页岩的利用率来生产在催化状态下的液态和气态的油页岩。
[Abstract]:The gradual depletion of oil resources, low oil prices and huge reserves, and even the expected growth of global energy resources, have attracted more and more attention to the utilization of oil shale worldwide in recent years. Oil shale is seen as a major alternative source of oil supply pressure. In this study, the Huadian HD oil shale was evaluated with different catalysts (sodium hydroxide and sodium nitrate), metal chlorides (stannous oxide), Kinetic parameters for the interaction between molybdenum and zinc (chloride) and (potassium nitrate). Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRDX), thermogravimetric (TGA) analysis, Gas chromatography-mass spectrometry (GC-MS), elemental analysis and scanning electron microscopy (SEM) were used to characterize oil shale and solid residues. In addition, kinetic parameters (activation energy E and frequency factor A) were calculated by Coats-Redfern method. For the pyrolysis and high temperature decomposition of oil shale, the effect of adding metal chloride is greater than that of other catalysts. The activation energy of the samples treated with catalyst shows the highest decrease. In particular, compared with the sample, the presence of metal chloride catalyst SnCl2MoCl5 and ZnCl2 + decreased by 15.1 kJ / mol -1 (10.66 kJ / mol -1) and 20.58 kJ / mol ~ (-1), respectively. In addition, sodium nitrate and potassium nitrate decreased by about 7.26 kJ / mol-1 and 4.98 kJ / mol ~ (-1) respectively. This study opens up a new and available method, So that oil shale can be treated at low temperature, and the utilization rate of Huadian oil shale can be improved to produce liquid and gaseous oil shale in catalytic state.
【学位授予单位】：吉林大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TE662
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