CHE 451 CHEMICAL ENGINEERING DESIGN ASSIGMENT 4: DISTILLATION COLUMN DESIGN Prof. Dr. Bekir Zühtü UYSAL Res. Asist. Melda ESKİTOROS 09114003 EMRE AKASLAN

INDEX AIM CHEMCAD FLOW CHART DESIGN VALUES COLUMN PROPERTIES METHOD OF CALCULATIONS ASSUMPTIONS COLUMN RESULTS DETAILED FLOW CHART BASIC RESULTS CHEMCAD RESULTS ECONOMICAL CALCULATIONS RESULTS FOR STEAM COST 40 TL/ton FOR STEAM COST 16 TL/ton COMPARING OF PROGRAMS RESULTS

AIM: IN THIS PROJECT, THE AIM IS TO DESIGN THE OPTİMUM ECONOMICAL DISTILLATION COLUMN FOR SEPERATION OF ACETONE, ETHANOL AND WATER MIXTURE. THIS MIXTURE IS DESIRED TO BE DISTILLED TO 99.9% PURE COMPONENTS.

CHEMCAD FLOW CHART

DESIGN VALUES: FEED AT FIRST COLUMN: 190 ton/h TEMPERATURE: 145 oC COMPONENTS WT% ACETONE 1.2 BUTHANOL 2.4 ETHANOL 0.4 WATER 2.8 MESITHYLENE 93.2

FEED AT THIRD COLUMN: 351 kmol/h TEMPERATURE: 96.45 oC q: 1 and f: 0 DESIGN VALUES: FEED AT THIRD COLUMN: 351 kmol/h TEMPERATURE: 96.45 oC q: 1 and f: 0 FEED STREAM   x Flow (kmol/h) Acetone 0,1118 39,2418 Ethanol 0,047 16,497 Water 0,8412 295,2612 Total 1 351

DESIGN VALUES: LIGHT KEY: ETHANOL HEAVY KEY: WATER DECIDED: XD(WATER): 0.0001 XB(ETHANOL): 0.0001

MATERIAL BALANCE RESULTS: D: 55.71 kmol/h B: 295.29 kmol/h TOP STREAM (T=65,66 C) BOTTOM STREAM (T=104,36 C)   y Flow (kmol/h) x Acetone 0,7043 39,243596 0,0000 Ethanol 0,2956 16,470832 0,0001 0,029528 Water 0,005572 0,9999 295,250472 Total 1 55,72 1,0000 295,28

COLUMN PROPERTIES 304 STAINLESS STEEL PLATE DISTILLATION COLUMN MULTICOMPONENT DISTILLATION COLUMN PARTIAL REBOİLER PARTIAL CONDENSER SIEVE TRAY

METHOD OF CALCULATIONS CALCULATE HEIGHT OF THE COLUMN CALCULATE DIAMETER FOR BOTTOM AND TOP PEC = COLUMN + CONDENSER + REBOİLER + PUMP UTILITIES = STEAM, WATER AND ELECTRIC COST DETAILED ECONOMICAL ANAYLYSIS PLATE DESIGN TO FIND IF THEIR IS WEEPING, FLOATING AND ACTUAL PRESSURE DROP

ASSUMPTIONS hw= 0.05 m F*= 0.80 For partial condenser U=750 W/m2K For partial reboiler U= 1200 W/m2K Pump efficiency = 0.75

COLUMN RESULTS Feed, kmol/h 351 Distillate, kmol/h 55.71 Bottom, kmol/h 295.29 x(acetone),F 0.1118 x(acetone),D 0.7043 x(acetone),B x(ethanol),F 0.047 x(ethanol),D 0.2956 x(ethanol),B 0.0001 x(water),F 0.8412 x(water),D x(water),B 0.9999 Partial Condenser Partial Reboiler Flows in Column Operating Temperature. oC 65.66 Operating Temperature.°C 104.36 Lo, kg/s 8.59 Operating Pressure. atm 1.15 1.18 V1, kg/s 9.43 Duty. kW 3103.5 3162.6 Lm, kg/s 10.92 U W/m2-K 750 1200 Vm, kg/s 9.42 m(water) kg/s 35.37 m(steam) kg/s 1.46   Column Properties Plate Properties RDmin 9.697 Number of Plates 59 ΔPdry (cm liq. column) 2.389 RD/RDmin 1.1 Feed Plate 42 Δptotal (cm liq. column) 9.236 RD 10.67 Height.m 27.5 Number of holes 64106 Nmin 20 Diameter.m 3.8 Ntheoretical 47

DETAILED FLOW CHART

BASIC RESULTS

CHEMCAD RESULTS

CHEMCAD SENSITIVITY ANALYSIS

ECONOMICAL RESULTS

DETAILED COST ANALYSIS FOR STEAM COST 40 TL/ton Direct costs   Purchased Equipment 1 639 666 TL Installation 819 833 Instrumentation and Controls 409 917 Piping 491 900 Electrical, Installed 327 933 TOTAL DIRECT COST 3 689 909 Indirect Costs Engineering and Supervision 737 862 Construction Expense and Contractor's Fee 1 180 578 Contingency 295 144 TOTAL INDIRECT COST 2 213 586 FIXED-CAPITAL INVESTMENT(TL) 5 902 894 Depreciation 393 526 TL/yr Insurance 29 515 FIXED-CHARGES 423 041 Maintenance and Repairs 295 145 Utilities 1 723 273 OPERATING COST 2 029 218 TOTAL ANNUAL COST(TL/year) 2 452 259

DETAILED COST ANALYSIS FOR STEAM COST 16 TL/ton Direct costs   Purchased Equipment 1 639 666 TL Installation 819 833 Instrumentation and Controls 409 917 Piping 491 900 Electrical, Installed 327 933 TOTAL DIRECT COST 3 689 909 Indirect Costs Engineering and Supervision 737 862 Construction Expense and Contractor's Fee 1 180 578 Contingency 295 144 TOTAL INDIRECT COST 2 213 586 FIXED-CAPITAL INVESTMENT(TL) 5 902 894 Depreciation 393 526 TL/yr Insurance 29 515 FIXED-CHARGES 423 041 Maintenance and Repairs 295 145 Utilities 713 015 OPERATING COST 1 019 030 TOTAL ANNUAL COST(TL/year) 1 442 001

COMPARATIONS FOR PROGRAM’ S CALCULATIONS

THANK FOR YOUR ATTENTION Prof. Dr. Bekir Zühtü UYSAL Res. Asist. Melda ESKİTOROS