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題名 | 甲基第三戊基醚合成反應製程模擬及最適化反應條件探討=Reactor Simulation and Reaction Optimization for the Synthesis of Tertiary-Amyl Methyl Ether |
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作者 | 黃文雄; 吳榮宗; | 書刊名 | 石油季刊 |
卷期 | 33:1 1997.03[民86.03] |
頁次 | 頁19-27 |
分類號 | 468.8 |
關鍵詞 | 反應器模擬; 異戊烯; 甲醇; 熱點溫度; TAME; Reactor simulation; Amerlyst 15; Isoamylene; Methanol; Hot spot temperature; |
語文 | 中文(Chinese) |
中文摘要 | 本研究使用一度空間假均相管狀填充床反應器,探討Amerlyst 15催化之TAME合成 反應。由已建立之動力學模式,對大範圍的進科濃度發展出向下式反應器之數學模式及其數 值模擬。模擬穩定狀態的反應器,同時積分質量及能量平衡式,可預測轉化率及溫度變化。 模式預測結果與實驗數據頗為符合。實驗結果顯示熱點溫度與進料流速無關。當初溫度太低 時,轉化率不會達到所要的數值。另一方面,太高的初溫度除了使熱點溫度上昇外,不會提 高平衡轉化率。 但甲醇 / 異戊烯比值越高,轉化率則越高。在固定比值時,同時提高異戊 烯與甲醇濃度,將導致熱點溫度與轉化率雙雙上昇。 |
英文摘要 | A one-dimensional pseudo-homogeneous tubular packed bed reactor was used for the study of Tertiary-Amyl Methyl Ether(TAME) using Amberlyst 15 catalyst. On the basis of our previous kinetic model, the mathematical modeling and numerical simulation of a downflow reactor were developed for a giving wide range of feed components. The conversion and temperature profiles could be predicted by analyzing the reactor model under steady state and integrating balance equation of mass and energy simultaneously. The simulative results came from this plug flow reactor model were found to be in good agreement with experimental data. Both of analysis and experimental results showed that the hot spot temperature was independent of flow rate. The experimental and simulative data also indicated that when initial temperature was too low, the conversion will never reach the wanted value. In the other hand, the reaction with higher initial temperature only caused the increase of the hot spot temperature without any increment of conversion. The results also indicated that the higher the ratio of methanol to isoamylene, the higher the conversion. Both of the Conversion and hot spot temperature could be raise by the increase of isoamylene concentration. |
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