Determine the bare module, total module, and grassroots cost of the following: Ethylbenzene plant described in Appendix

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Determine the bare module, total module, and grassroots cost of the following:

Ethylbenzene plant described in Appendix B, Project B.2 B.2 ETHYLBENZENE PRODUCTION, UNIT 300 The majority of ethylbenzene (EB) processes produce EB for internal

B.2.1 Process Description [1, 2] The PFD for the EB process is shown in Figure B.2.1. A refinery cut of

the first packed bed, is mixed with more feed ethylene, and is fed to E-301, where the stream is cooled to

[DEB]) is taken as the top product and is sent directly to the styrene unit. The bottoms product from T-302

Stream summary tables, utility summary tables, and major equipment specifications are shown in Tables

$Table B.2.1 Stream Table for Unit 300 Stream Number Temperature (C) Pressure (kPa) Vapor mole fraction Total$

Toluene Ethylbenzene 0.00 1,4- Diethylbenzene Stream Number Temperature (C) Pressure (kPa) Vapor mole

Benzene Toluene Ethylbenzene 1,4- Diethylbenzene Stream Number Temperature (C) Pressure (kPa) Vapor mole

Component flowrates (kmol/h) Ethylene Ethane Propylene Benzene Toluene 1,4- Diethylbenzene 0.00 Stream Number

$Temperature (C) Pressure (kPa) 110.0 Vapor mole fraction Total kg/h Total kmol/h Propylene Benzene Toluene$

Table B.2.2 Utility Summary Table for Unit 300 Stream Name Flowrate 851 (kg/h) Stream Name bfw to E-301 lps

1-2 exchanger, floating head, stainless steel Process stream in tubes Q = 1967 MJ/h Maximum pressure rating

1-2 exchanger, floating head, stainless steel Process stream in tubes Q = 10,080 MJ/h Maximum pressure rating

1-2 exchanger, floating head, carbon steel Process stream in shell Q = 4943 MJ/h Maximum pressure rating of

Pumps P-301 A/B Positive displacement/electric drive Carbon steel Actual power = 15 kW Efficiency 75% P-302

Actual power = 1 kW Efficiency 75% Reactors R-301 316 stainless steel packed bed, ZSM-5 molecular sieve

12 m long, 1.85 m diameter Maximum pressure rating of 2200 kPa Maximum allowable catalyst temperature = 500C

Reflux ratio = 0.3874 24-in tray spacing Column height = 27.45 m Diameter = 1.7 m Maximum pressure rating of

Carbon steel with SS demister Vertical L/D=3 V = 10 m Maximum operating pressure = 250 kPa Carbon steel

B.2.2 Reaction Kinetics The production of EB takes place via the direct addition reaction between ethylene

Additional reactions between DEB and ethylene yielding triethylbenzene (and higher) are also possible.

C6H4 (C2H5)2 + C6H62C6H5 C2H5 diethylbenzene benzene ethylbenzene (B.2.3) The incoming benzene contains a

where i is the reaction number above (B.2.i), and the following relationships pertain: E; kcal/kmol i 1 2 3 4

It should be noted that in the simulation a component separator was placed after the high-pressure flash drum

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Analysis Synthesis And Design Of Chemical Processes

ISBN: 9780134177403

5th Edition

Authors: Richard Turton, Joseph Shaeiwitz, Debangsu Bhattacharyya, Wallace Whiting

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Question Posted: Nov 08, 2023 11:14 AM

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Determine the bare module, total module, and grassroots cost of the following: Ethylbenzene plant described in Appendix

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Analysis Synthesis And Design Of Chemical Processes

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