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Split_00082 - 9.64(cont'd c Preheating step References C 3...

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9- 82 c. Preheating step: References: C H g , O , N at 25 C 3 6 2 2 b g ° Substance mol / s) (kJ / mol) (50 C) (mol / s) kJ / mol) (562 C) C H O O N in in out out 3 6 2 ± ( ² ± ² ( . . . . . . . . . . . . n H n H D D 52 34 315 52 34 67 66 209 4 0826 209 4 17 72 787 3 0 775 787 3 16 65 2 E.B. ± ± ² ± ² . Q n H n H i i i i 1 4 194 10 = = × out in kW Cooling step. References: CO (g), H O v , N (g) at 25 C 2 2 2 a f D Substance mol) (kJ / mol) C (mol) (kJ / mol) C CO H O N in in out out 2 2 n H n H ( ² ² . . . . . . . . . . . . 2871 350 157 0 142 3 157 0 16 25 157 0 10815 157 0 12 35 787 3 88 23 787 3 10 08 2 D D e j e j E.B. Q n H n H i i i i 2 = = − × ± ² ± ² out in 4 9.64 10 kW Exchange heat between the reactor feed and product gases. 9.65 a. Basis : 1 mol C 5 H 12 (l) C H (l) O (g) 5CO (g) 6H O(v), kJ / mol 5 12 2 2 2 c o + + = − 8 3509 5 Δ ² . H 1 mol C 5 H 12 (l) n 2 (mol CO 2 ) n 3 (mol H 2 O (v)) n 4 (mol O 2 ) n 0 (mol O 2 ) , 75 ° C T ad ( o C) 30% excess Theoretical oxygen
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