常低壓下醋酸體系汽液相平衡數(shù)據(jù)的測定

食品科學(xué)論文編號:SP091  論文字?jǐn)?shù):4713,頁數(shù):15  附任務(wù)書，開題報(bào)告，文獻(xiàn)綜述，外文翻譯.PPT

目  錄
中文摘要 I
英文摘要 II
目錄 III
1. 緒論 1
 1.1 萃取劑和醋酸的性質(zhì) 1
 1.2 本課題研究目的及意義 1
2. 實(shí)驗(yàn)部分 3
 2.1 試劑 3
 2.2實(shí)驗(yàn)裝置 3
 2.3實(shí)驗(yàn)方法 4
 2.4分析方法 5
3. 結(jié)果與討論 6
 3.1 汽液相平衡數(shù)據(jù) 6
 3.2 熱力學(xué)一次性檢驗(yàn) 6
 3.3 熱力學(xué)模型 6
 3.4 二元汽液相平衡數(shù)據(jù)的關(guān)聯(lián) 7
 3.5 醋酸-水-萃取劑三元汽液相平衡數(shù)據(jù)的預(yù)測 11 
4．總結(jié)與展望 12
致謝 13
參考文獻(xiàn) 14
符號說明 15

摘 要：汽液平衡數(shù)據(jù)是重要的化工基礎(chǔ)數(shù)據(jù)，用改進(jìn)的Rose汽液平衡釜,測定了101.33kPa和13.33kPa下醋酸+萃取劑A體系的汽液平衡數(shù)據(jù),并通過熱力學(xué)一致性逐點(diǎn)校驗(yàn)，然后考慮醋酸在汽相中的締合效應(yīng)和非理想性，用MATLAB工具箱函數(shù)回歸出Van Laar、、Wilson及NRTL模型參數(shù)及關(guān)聯(lián)偏差。結(jié)果表明, NRTL方程關(guān)聯(lián)結(jié)果較好,溫度平均偏差0.2583℃，醋酸在汽相中的平均偏差為0.0027。
關(guān)鍵詞：醋酸；MATLAB；汽液平衡

Abstract: Vapor-Liquid Equilibrium（VLE）data is an important foundation for the chemical data, Isobaric vapor-liquid equilibrium (VLE) data for acetic acid+ extraction of A system was measured at 101.33kPa and 13.33kPa by using an improved Rose still. Themodynamic consistency for the experimental data was examined by using point by point test, and the fugacity coefficients of components in the vapor phase were calculated by Hayden-O’connell method. Finally, use MATLAB toolbox function back to return the Van Laar, Wilson and NRTL model parameters and correlation deviation. For NRTL model, the average absolute deviation in vapor-phase is 0.0027, and the average absolute deviation of the equilibrium temperature is 0.2583℃.
Key words:  acetic acid;  MATLAB;  vapor-liquid equilibrium