Computer-aided flow-sheeting

In most design offices Computer Aided Design (CAD) methods are now used to produce the drawings required for all the aspects of a project flow-sheets, piping and instrumentation, mechanical and civil work. 

In this chapter the calculation procedures used in flow-sheeting have for convenience been divided into manual calculation procedures and computer-aided procedures. 

The process flow diagram for the production of 1-40 x 10 kg/s of thiophane is presented below with appropriate tenq) rature, pressure, and heat exchanger duties. The material balance can be developed with the aid of suitable computer software based on the conditions listed on the flow sheet. 

The group of P. Pintauro has applied computer aided electrochemical process design to the electrocatalytic hydrogenation of soybean oil [10]. The process consists of 12 unit operations apart from the electrolysis. Only one of them is directly connected to the electrochemical step two others are assigned to the reaction loop. The flow sheet for the oil hydrogenation plant and the specification list for the unit operations impressively demonstrate the ratio between electrolysis and recovery of product and electrolyte. 

---