Here, the available controllers which are currently present in the real plant, were added to the simulation. Then, the simulation was transferred from steady state to dynamic mode in which the main equipment such as distillation towers and control valves were sized. The steady state simulation results are in good agreement with the data gathered from the real plant. In the first step, using the Aspen Hysys software, a proper steady state model was developed for this unit in which the simulation of the main equipment that is, distillation towers and heat exchangers were carried out. ![]() One of the most important refinery units is the demethanizer unit, comprising of a complex network of distillation towers and heat exchangers. ![]() The NGL refinery of the Sirri Island has a major role in the production of high-value products.
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