On the multiple solutions of the reactive distillation column for production of fuel ethers |
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| Affiliation: | 1. Departamento de Ingeniería Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Campus Guanajuato, Noria Alta S/N, Guanajuato, Gto., 36050, Mexico;2. Departamento de Ingeniería Química, Instituto Tecnológico de Aguascalientes, Av. López Mateos 1801, Aguascalientes, Ags., 20256, Mexico;1. Institut für Geowissenschaften, Goethe-Universität Frankfurt, 60438 Frankfurt am Main, Germany;2. BIOVIA, Dassault Systèmes, 334 Science Park, Cambridge CB4 0WN, United Kingdom;1. Department of Mechanical Engineering, Keio University, Yokohama 223-8522, Japan;2. BNE Mutsuura Laboratory, Yokohama 236-0031, Japan;1. Instituto Tecnológico de Aguascalientes, Aguascalientes, Mexico;2. Indian Institute of Technology, Kharagpur, India;3. Cairo University, Giza, Egypt |
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| Abstract: | A systematic study of the operating conditions and parameter sensibility of multiple steady states in a reactive distillation column for production of fuel ethers is presented. The multiplicity analysis is performed using bifurcation diagrams for several scenarios using the process simulator Aspen One Aspen Plus. Our results indicate that the main variables that affect both the presence and behavior of multiple solutions in the reactive distillation column are the reflux ratio, the reboiler duty and the thermal condition in the feed stream. In particular, we have determined that the vapor–liquid stream in the feed has a major influence on the occurrence of this phenomenon and this parameter especially establishes the type of multiplicity that can occur in the reactive distillation column for production of fuel ethers. |
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| Keywords: | Reactive distillation Input multiplicity Input–output multiplicity Fuel ethers |
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