Chemical process route selection based upon the potential toxic impact on the aquatic,terrestrial and atmospheric environments |
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| Institution: | 1. Budapest University of Technology and Economics, Department of Structural Engineering, H-1111 Budapest, Műegyetem rkp. 3, Hungary;2. University of Colorado at Boulder, Department of Civil, Environmental and Architectural Engineering, Engineering Center Office Tower, ECOT 426, University Campus Box, UCB 428, 1111 Engineering Drive, Boulder, CO 80309, CO, USA;3. Stanford University, Department of Civil and Environmental Engineering, John A. Blume Earthquake Engineering Center, Bldg. 540, MC:3037, Stanford, CA 94305, CA, USA;4. Stanford University, Department of Civil and Environmental Engineering, Bldg. Y2E2, 473 Via Ortega, Room 281, MC 4020, Stanford, CA 94305, CA, USA;5. Tipping Mar and Associates, 1906 Shattuck Avenue, Berkeley, CA 94704, CA, USA;1. The University of Queensland, FIMLab – Films and Inorganic Membrane Laboratory, School of Chemical Engineering, Brisbane, Queensland 4072, Australia;2. Cooperative Research Centre for Greenhouse Gas Technologies (CO2CRC), Australia;1. Department of Microtechnology and Nanoscience, Chalmers University of Technology, 412 96 Gothenburg, Sweden;2. Wallenberg Wood Science Center, Chalmers University of Technology, 412 96 Gothenburg, Sweden;3. National Research Council Canada, 1200 Montreal Rd., Ottawa, ON K1A 0R6, Canada;4. Department of Chemistry and Molecular Biology, University of Gothenburg, 41296 Gothenburg, Sweden;5. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden;1. Faculty of Industrial and Systems Engineering, Tarbiat Modares University, Tehran, Iran;2. Faculty of Industrial and Systems Engineering, Tarbiat Modares University, P.O. Box 14117-13116, Tehran, Iran;1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan;2. Research Center for Rare Metal and Green Innovation, Tohoku University, 468-1 Aoba, Aramaki, Aoba-ku, Sendai, 980-0845, Japan |
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| Abstract: | This paper proposes a method to estimate the inherent environmental friendliness of a chemical process plant by considering the potential toxicity impact on the aquatic, terrestrial and atmospheric environments. A worst-case scenario of a total loss of containment in the plant is assumed. The method proposed by Gunasekera, M.Y., Edwards, D.W. (2003). Estimating the environmental impact of catastrophic chemical releases to the atomosphere: an index method for ranking alternative chemical process routes. Trans. IChemE., Part B, Process Safety and Environmental Protection, 81(B6), 463–474] for determining the inherent atmospheric environmental friendliness of a chemical plant is combined with the method proposed by Cave, S.R., Edwards, D.W. (1997). Chemical process route selection based on assessment of inherent environmental hazard. Computers Chem. Engng., 21, S965–S970], which estimates the inherent friendliness to the aquatic and terrestrial environments.Application of this method to six routes to produce methyl methacrylate shows that the acetone cyanohydrin based route is potentially the least inherently environmentally friendly. The highest potential hazard is observed in the aquatic environment due to the chemicals associated with the acetone cyanohydrin route. |
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