【摘要】：采用TPO-MS表征了3-甲基吡啶氯氟化反應(yīng)積炭失活CrO-Al催化劑,發(fā)現(xiàn)催化劑的積炭由碳、氫、氮組成,并且燒炭溫度上限為500℃。通過熱重分析研究了該催化劑的燒炭動(dòng)力學(xué)行為,發(fā)現(xiàn)相同反應(yīng)條件下,隨著反應(yīng)時(shí)間延長(zhǎng),催化劑積炭量增加而且積炭種類從容易燒除的輕積炭向不易燒除的重積炭轉(zhuǎn)化,因此不同反應(yīng)時(shí)間的催化劑積炭有不同的燒炭動(dòng)力學(xué)模型。選取反應(yīng)5 h和反應(yīng)10 h的積炭催化劑做燒炭再生動(dòng)力學(xué)實(shí)驗(yàn),分別建立兩種積炭催化劑的燒炭再生動(dòng)力學(xué)模型,并且與實(shí)際的燒炭數(shù)據(jù)進(jìn)行擬合,線性相關(guān)系數(shù)R~20.97。
[Abstract]:The deactivated CrO-Al catalyst for the fluorination of 3-methylpyridine was characterized by TPO-MS. It was found that the carbon deposition of the catalyst was composed of carbon, hydrogen and nitrogen, and the upper limit of the burning temperature was 500 鈩，

本文編號(hào)：2290726