- 期刊
A Convenient TPD Method for Calculating the Integral Heat of Sorption(Short communication)
以簡便的TPD方法計算吸附之積分熱
摘要
本研究利用Langmuir吸附模式，建立一以簡易TPD方法求吸附之積分熱的數學理論基基礎。研究中以鈀黑吸收氫氣及Ir/Al2O3吸附氫氣二系統驗證推導模式之正確性。計算結果鈀黑、10% Ir/Al2O3及3% Ir/Al2O3之吸附熱分別為13.2,30.6及31.5 kJ‧mol-1 ，此結果與使用恆壓或卡計方法所得吻合。
關鍵字
無資料並列摘要
An easy and convenient TPD method based on the Langmuir adsorption model is developed to calculate the integral heat (△?0) of gaseous adsorbate sorbed on the metallic catalysts. And, the mathematical description for this method is also established. Two systems, the hydrogen absorption into palladium black and the hydrogen adsorption on Ir/Al2O3, were taken to verify this method. The sorbed heats were calculated to be 13.2, 30.6 and 31.5 kj‧mol-1 for Pd black, 10% Ir/Al2O3 and 3% Ir/Al2O3, respectively. The calculated heats are consistent with those obtained from the isosteric and calorimetric methods.
延伸閱讀
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