1991
DOI: 10.1016/s0021-9614(05)80200-9
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Molar enthalpies of formation and vaporization of t-butoxybutanes and thermodynamics of their synthesis from a butanol and 2-methylpropene

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Cited by 7 publications
(6 citation statements)
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“…[12,13] (see Section 2.2). b Instead of these torsional modes, the contributions due to the internal rotation were calculated using the following coefficients V n in equation (6), reduced moment of inertia I r and symmetry number of rotor r m : CH 3 group: I r = 0.5230 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1169 cm À1 , CH 3 group: I r = 0.5222 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1103 cm À1 , CH 3 group: I r = 0.5217 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1122 cm À1 , CH 3 group: I r = 0.5230 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1121 cm À1 , CH 3 group: I r = 0.5174 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1042 cm À1 , t-C 4 H 9 group: I r = 7.6485 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 980 cm À1 , i-C 4 H 9 group: I r = 7.3771 AE 10 À39 g AE cm 2 , r m = 1, V 1 = 3973.1, V 2 = À1564.5, V 3 = 726.1, V 4 = À173.0, V 5 = 120.0, V 6 = 7.2 (in cm À1 ), i-C 3 H 7 group: I r = 7.4922 AE 10 À39 g AE cm À1 , r m = 1, V 1 = À438.1, V 2 = 230.8, V 3 = 1680.2, V 4 = 74.4, V 5 = 25.2, V 6 = À79.7 (in cm À1 ).…”
Section: à3703mentioning
confidence: 99%
“…[12,13] (see Section 2.2). b Instead of these torsional modes, the contributions due to the internal rotation were calculated using the following coefficients V n in equation (6), reduced moment of inertia I r and symmetry number of rotor r m : CH 3 group: I r = 0.5230 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1169 cm À1 , CH 3 group: I r = 0.5222 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1103 cm À1 , CH 3 group: I r = 0.5217 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1122 cm À1 , CH 3 group: I r = 0.5230 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1121 cm À1 , CH 3 group: I r = 0.5174 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 1042 cm À1 , t-C 4 H 9 group: I r = 7.6485 AE 10 À39 g AE cm 2 , r m = 3, V 3 = 980 cm À1 , i-C 4 H 9 group: I r = 7.3771 AE 10 À39 g AE cm 2 , r m = 1, V 1 = 3973.1, V 2 = À1564.5, V 3 = 726.1, V 4 = À173.0, V 5 = 120.0, V 6 = 7.2 (in cm À1 ), i-C 3 H 7 group: I r = 7.4922 AE 10 À39 g AE cm À1 , r m = 1, V 1 = À438.1, V 2 = 230.8, V 3 = 1680.2, V 4 = 74.4, V 5 = 25.2, V 6 = À79.7 (in cm À1 ).…”
Section: à3703mentioning
confidence: 99%
“… a Unless specified, values have been taken from CRC Handbook of Chemistry and Physics b Linnekoski et al c Sharonov et al d Estimated by means of the modified Benson method. …”
Section: Resultsmentioning
confidence: 99%
“…Studies concerning BTBE synthesis (reaction R4 in Scheme ) equilibrium are hard to find in literature. , To estimate thermodynamic properties, we followed the same procedure in which temperature and initial concentrations were varied to reach equilibrium compositions, using A-35 as the catalyst in the batch reactor. Figure shows the evolution in time of the BTBE molar fraction for the different experimental runs until chemical equilibrium was reached.…”
Section: Resultsmentioning
confidence: 99%
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“…The most significant works are devoted to the reaction thermodynamics and to the reactivity of primary alcohols with isobutene. [5][6][7][8][9] No data have been found concerning the BTBE etherification kinetics, which is crucial for the potential production of BTBE in industrial units. Due to the reaction similarities, BTBE synthesis is expected to proceed through a mechanism similar to that of MTBE or ETBE and, therefore, reaction rates could be explained by means of Please do not adjust margins Please do not adjust margins an analogous kinetic model.…”
Section: Introductionmentioning
confidence: 99%