| 초록 |
A systematic approach has been presented to design and optimize the cost-effective column with side-reactor (SRC) configuration. Process of ethylbenzene (EB) was taken to illustrate the savings achieved in terms of energy, capital, and total annual costs. In proposed SRC configuration, the total annual cost as an objective function was minimized by optimizing the side-reactor volume, number of side-reactors, number of column trays, reactor side-return tray, and the column pressure. Results reveal that the proposed SRC configuration can reduce capital, energy and total annual costs up to 13.6, 12.9, and 13.2 %, respectively, compared to a conventional process. Heat integration is examined on the proposed configuration for energy efficiency. The resulting heat intensified SRC configuration can further reduce the capital, energy, and total annual costs up to 14.8, 53, and 38.3 %, respectively. This study was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2015R1D1A3A01015621) and by the Priority Research Centers Program through the NRF funded by the Ministry of Education (2014R1A6A1031189). |
