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Patil GN, Gnanasundaram N. Energy-saving investigation of vacuum reactive distillation for the production of ethyl acetate. CHEMICAL PRODUCT AND PROCESS MODELING 2022. [DOI: 10.1515/cppm-2021-0060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Ethyl acetate (EtAc) reactive distillation (RD) configurations often use atmospheric pressure, and this operating pressure can be reduced further to conserve energy based on the condenser cooling water temperature. Using the Aspen Plus simulator, two proposed configurations, RD column with stripper and pressure swing reactive distillation (PSRD), were simulated at lower operating pressure. The impact of RD column operating pressure on total energy usage and total annual cost (TAC) was studied. All design parameters were optimized using sequential iterative optimization procedures and sensitivity analysis to minimize the energy cost while maintaining the required product purity at 99.99%. The simulation results showed that the RD column with a stripper is better than PSRD with a saving of 23.17% in TAC and 31.53% in the specific cost of EtAc per kg. Compared to literature results, the proposed configurations have lower reboiler duty requirements and lower cost per kg of EtAc.
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Affiliation(s)
- Ganesh N. Patil
- Mechanical & Industrial Engineering Department , College of Engineering, National University of Science and Technology , Muscat , Oman
- School of Chemical Engineering, VIT University , Vellore , Tamil Nadu 632014 , India
| | - Nirmala Gnanasundaram
- School of Chemical Engineering, VIT University , Vellore , Tamil Nadu 632014 , India
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Liñán DA, Bernal DE, Gómez JM, Ricardez-Sandoval LA. Optimal synthesis and design of catalytic distillation columns: A rate-based modeling approach. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116294] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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