Document information
- University
- Politecnico di Milano
- Degree programme
- Chemical Engineering
- Subject
- Industrial Organic Chemistry
- Academic year
- 2018-2019
- Classification
- Exam · Full exam
- Content
- Exam paper only
- Original format
- Text
- Searchable text
Study material for Industrial Organic Chemistry, shared by the Studwiz community and reviewed by moderators.
Study material for Industrial Organic Chemistry, shared by the Studwiz community and reviewed by moderators.
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Chimica Industriale Organica - Tema 17-06-19 Dati per la risoluzione dei punti 1), 2), 3) e 4) Vettori: EB, B, T ≔a −20.5 −31.3 −24.1 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ―――J ⋅mol K ≔b 0.6 0.47 0.52 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ―――J ⋅mol K2 ≔c ⋅ −3.08 −3.11 2.94 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ 10−4―――J ⋅mol K3 ≔d ⋅ 3.52 8.52 6.12 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ 10−8―――J ⋅mol K4 ≔cPL 184 172 157 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ―――J ⋅mol K ≔ΔHev 8580 7344 8025 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ――cal mol ≔Pflash 4 bar≔A 4.40536 4.60362 4.54436 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ≔B 1695.026 1701.073 1738.123 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ≔C −23.698 20.806 0.394 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ≔Prif 1 bar ≔cP((T)) +++a ⋅bT ⋅cT 2 ⋅dT 3 ≔Pev((T)) ⎛ ⎜ ⎜⎝10 −A ―――B +―T K C ⎞ ⎟ ⎟⎠bar ≔TNB =−―――――⋅B K −A log((1.013)) ⋅C K 408.953 349.152 382.558 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ K ≔k((T)) ―――Pev((T)) Pflash ≔z 0.6 0.3 0.1 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ≔F 100 ――mol hr ≔F1 =⋅Fz 60 30 10 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ――mol hr 1) Teb e Tdew della miscela di alimentazione ≔T 400 K =∑ =i 0 2 ⋅z i k((T))i 1 ≔Teb =find((T)) 438.279 K ≔T 400 K =∑ =i 0 2 ―― z i k((T))i 1 ≔Tdew =find((T)) 454.537 K 2) Tflash e grado di vaporizzazione ≔RLEB =⋅0.95 F10 57 ――mol hr ≔T 300 K ≔α 0.6 =∑ =i 0 2 ―――――― ⋅z i ⎛ ⎝ −k((T))i 1⎞ ⎠ +1⋅α⎛ ⎝ −k((T))i 1⎞ ⎠ 0= ⋅⋅F (( −1 α)) ―――――― z 0 +1⋅α⎛ ⎝ −k((T))0 1⎞ ⎠ RLEB ≔Tflash α ⎡ ⎢⎣ ⎤ ⎥⎦ =find(( ,Tα)) 440.164 K 0.089 ⎡ ⎢⎣ ⎤ ⎥⎦ 3) F2 (liquido), F3 (vapore) e composizioni della fase liquida ≔F2 =⋅(( −1 α)) F 91.135 ――mol hr ≔F3 =−FF 2 8.865 ――mol hr ≔x = →―――――― ―――――――z +1⋅α⎛⎝ −k⎛⎝Tflash⎞⎠1⎞⎠ 0.625 0.274 0.1 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ ≔y =→―――⋅xk ⎛⎝Tflash⎞⎠ 0.338 0.562 0.099 ⎡ ⎢ ⎢⎣ ⎤ ⎥ ⎥⎦ 4) Calore fornito nell'evaporatore normalizzato per mole di portata F2 Riferimento: liquido alla temperatura di flash ---> H2 = 0, Q = H4 ≔T4 650 K ≔Qev =⋅F2 ∑ =i 0 2 ⋅x i ⎛ ⎜ ⎜ ⎜ ⎜⎝ ++⌠ ⎮⌡ d Tflash TNBi cPLi TΔ Hevi ⌠ ⎮⌡ d TNBi T4 cP((T))i T ⎞ ⎟ ⎟ ⎟ ⎟⎠ ⎛⎝ ⋅1.973 103⎞⎠W =―― Qev F2 ⎛⎝ ⋅7.795 104⎞⎠――J mol Dati…
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