نوع مقاله : مقاله پژوهشی
موضوعات
عنوان مقاله English
نویسندگان English
In this research, the ethanol dehydration process via extractive distillation is investigated using ethylene glycol and glycerol from both economic and controllability perspectives. The research method involves steady-state and dynamic simulations using Aspen Plus software; first, the steady-state simulation is employed to determine the design parameters of the extractive distillation columns, and then closed-loop dynamic simulations are conducted to evaluate the control system’s performance and its sensitivity to disturbances. In addition, the controllability is assessed by calculating the condition number as an index, while the total annual cost (TAC) is estimated as an economic indicator. The results show that although using glycerol yields higher relative volatility, ethylene glycol is a more optimal solvent for ethanol dehydration due to its lower operating costs and better control performance in response to feed composition disturbances.
کلیدواژهها English
