發(fā)布時(shí)間：2018-05-26 17:04

  本文選題：垃圾填埋氣 + 重整�。� 參考：《化學(xué)工程》2017年02期

【摘要】：采用吉布斯自由能最小法對(duì)垃圾填埋氣(簡(jiǎn)化為甲烷與二氧化碳混合物)部分氧化重整制合成氣進(jìn)行了熱力學(xué)分析,得出了生成適于費(fèi)托反應(yīng)的合成氣組分的最適反應(yīng)條件。結(jié)果顯示:當(dāng)反應(yīng)溫度大于1 073 K時(shí),CH_4轉(zhuǎn)化率大于99%,反應(yīng)生成的氣體中CH_4的含量小于0.25%。分別提高反應(yīng)溫度和O_2/CH_4摩爾比均有助于抑制積炭的生成。反應(yīng)生成的氣體中,H_2和CO分別達(dá)到最大值時(shí),所對(duì)應(yīng)的反應(yīng)條件的范圍不同,但在特定條件下它們有所重疊。填埋氣組分CO_2/CH_4摩爾比分別為0.5,0.7,0.9時(shí),通過等高線法得到了生成適于費(fèi)托反應(yīng)的合成氣組分所需的最適反應(yīng)條件,而CO_2/CH_4摩爾比為1.1時(shí),無法獲得相應(yīng)的最適反應(yīng)條件。
[Abstract]:The Gibbs free energy minimization method was used for thermodynamic analysis of partial oxidation reforming of landfill gas (simplified as mixture of methane and carbon dioxide) to produce syngas, and the optimum reaction conditions for the formation of syngas components suitable for Fischer reaction were obtained. The results show that when the reaction temperature is greater than 1 073 K, the conversion of CH4 is greater than 99 and the content of CH_4 in the gas produced by the reaction is less than 0.25. Increasing the reaction temperature and the molar ratio of O_2/CH_4 can inhibit the formation of carbon deposition. When the maximum values of H2 and CO in the gas produced by the reaction are different, the corresponding reaction conditions are different, but they overlap under certain conditions. When the CO_2/CH_4 molar ratio of landfill gas component is 0.5? 0. 7%, the optimum reaction conditions for the synthesis gas component suitable for Fischer reaction are obtained by contour method, but when the CO_2/CH_4 molar ratio is 1. 1, the corresponding optimum reaction conditions can not be obtained.
【作者單位】： 華南理工大學(xué)機(jī)械與汽車工程學(xué)院;
【基金】：廣州市科技計(jì)劃項(xiàng)目(2014J4100014)
【分類號(hào)】：X705;TE665.3

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1 張昊e，

本文編號(hào)：1938113