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[求助]
aspen非庫組分物性模擬問題
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![]() 新蟲求助由于自己做的模擬需要先知道各種硫分子以及多硫化氫的吉布斯自由能G,焓H和熵S,用到aspen plus的物性模擬功能(estimation)。 ①但是aspen plus的物性模擬功能在模擬時結(jié)果總是會帶warning,以S8分子為例(下方WARNING字段),我查到幾種method里有S-S,-SH官能團(tuán)但是并沒有發(fā)現(xiàn)可以改動的地方,那么該如何消除warning? ②而且經(jīng)過查閱《克勞斯硫磺回收手冊》、《蘭氏化學(xué)手冊》以及一些相關(guān)文獻(xiàn),找到的一部分硫分子和多硫化氫的熱力學(xué)性質(zhì)數(shù)據(jù),發(fā)現(xiàn)模擬的結(jié)果與實驗數(shù)據(jù)相差較大,該如何改進(jìn)A+模擬精度? 以上兩問題困擾我許久,希望各位予以解惑 ![]() ![]() ![]() * WARNING FUNCTIONAL GROUP GENERATION FOR THE UNIFAC METHOD CANNOT BE COMPLETED FOR COMPONENT S8. THE FOLLOWING ATOMS WERE NOT MATCHED: S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 * WARNING FUNCTIONAL GROUP GENERATION FOR THE UNIF-LBY METHOD CANNOT BE COMPLETED FOR COMPONENT S8. THE FOLLOWING ATOMS WERE NOT MATCHED: S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 * WARNING FUNCTIONAL GROUP GENERATION FOR THE UNIF-DMD METHOD CANNOT BE COMPLETED FOR COMPONENT S8. THE FOLLOWING ATOMS WERE NOT MATCHED: S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 * WARNING FUNCTIONAL GROUP GENERATION FOR THE UNIF-R4 METHOD CANNOT BE COMPLETED FOR COMPONENT S8. THE FOLLOWING ATOMS WERE NOT MATCHED: S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 |

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