Synthesis And Design Of Chemical Processes

Synthesis And Design Of Chemical Processes. Lim Kuan Howe. 1 , Dennis. 1 , … Turton R., Bailie R.C., Whiting W.B., Shaeiwitz J.A., Analysis, Synthesis, and …

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Hence arises the need for a systematic approach to plant design that would help the chemical engineer to arrive at the best design in a logical fashion. Douglas [1] suggested a hierarchy of decisions (Figure 1), which shall be referred to in this paper as the conventional design procedure. Using this procedure to develop the process flowsheet will help the designer to arrive at the final design using a stage-by-stage method. At each stage, he generates new alternatives and evaluates those using selected economic criteria. He then chooses the best alternative and proceeds to the next stage where he will have to make another decision among the new alternatives that are generated. Finally, he will arrive at the last stage where the final choice will lead to the best alternative. Stanislav [2] suggested a new hierarchy, also shown in Figure 1, which shall be referred to in this paper as the modified design procedure.

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