油頁(yè)巖在不同催化劑預(yù)熱處理?xiàng)l件下熱解研究
本文選題:油頁(yè)巖 切入點(diǎn):催化劑 出處:《吉林大學(xué)》2017年碩士論文 論文類型:學(xué)位論文
【摘要】:石油資源的逐漸枯竭、低油價(jià)和巨大的儲(chǔ)存量,甚至是全球能源的預(yù)期增長(zhǎng),在近幾年,引起了全球范圍內(nèi)越來(lái)越多對(duì)油頁(yè)巖的利用的關(guān)注,油頁(yè)巖被看作是緩解石油供應(yīng)壓力的主要的可選擇來(lái)源。在這項(xiàng)研究中,評(píng)估了樺甸(HD)油頁(yè)巖與不同催化劑(即氫氧化鈉和硝酸鈉),金屬氯化物(即亞錫、鉬和鋅的氯化物)以及(硝酸鉀)相互作用的的動(dòng)力學(xué)參數(shù)。通過(guò)傅立葉變換紅外光譜(FTIR)、X-射線衍射(XRD)、熱重量(TGA)分析、氣相色譜質(zhì)譜(GC-MS)、元素分析和掃描電子顯微鏡進(jìn)行了表征油頁(yè)巖和固體殘留物。另外,通過(guò)Coats-Redfern方法對(duì)動(dòng)力學(xué)參數(shù)(活化能E和頻率因子A)進(jìn)行計(jì)算。結(jié)果顯示,對(duì)油頁(yè)巖的熱解高溫分解來(lái)說(shuō),添加金屬氯化物的影響大于其他催化劑的作用。用催化劑處理的樣品的活化能表現(xiàn)出最高的下降。與未經(jīng)催化劑處理的樣品相比,特別是樣品相比,金屬氯化物催化劑的存在(SnCl2、MoCl5和ZnCl2),分別下降15.1 kJ mol-1,10.66 kJ mol-1,20.58 kJ mol-1。此外,硝酸鈉和硝酸鉀降低約7.26 kJ mol-1和4.98 kJ mol-1。這項(xiàng)研究打開了一個(gè)嶄新且可利用的方法,使得油頁(yè)巖可以在低溫下被處理,以及提高樺甸油頁(yè)巖的利用率來(lái)生產(chǎn)在催化狀態(tài)下的液態(tài)和氣態(tài)的油頁(yè)巖。
[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.
【學(xué)位授予單位】:吉林大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TE662
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