Fast Pyrolysis of Chlorodifluoromethane in a Microwave-Heated Fluidized Bed
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概要
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This paper investigates the application of a fluidized bed reactor for fast pyrolysis of chlorodifluoromethane (R22) into tetrafluoroethylene (TFE) which is endothermic reaction. Numerical analysis for kinetics of R22 pyrolysis showed that heat supply is critical factor due to higher reaction temperature and shorter reaction time where better TFE yield is obtainable. Then, we proposed microwave-heated fluidized bed as a reactor type instead of a conventional tubular reactor using superheated steam as a major heat source. We examined the fluidized-bed R22 pyrolysis over temperature range of 700–840°Cand could achieve TFE yield more than 80 mol %. It was also expected that the TFE yield can be further enhanced by optimizing fluidizing condition. Hence, the proposed fluidized bed is applicable to R22 pyrolysis as an efficient reactor type. It is demonstrated that the microwave is a promising heating means for the fast reaction since it can achieve high-heat flux for so small reactor volume without overheating the reactor wall.
- 社団法人 化学工学会の論文
著者
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KIM Hyung
Division of Toxicology, College of Pharmacy, Sung Kyun Kwan University
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KIM HEE
Division of Human Radiation Environment
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Kim Hyung
Division Of Cardiology Department Of Internal Medicine Kyungpook National University
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Kim Hyung
Division Of Chemical Technology Korea Research Institute Of Chemical Technology(krict)
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WOO Seong
Department of Chemical Engineering, Korea Advanced Institute of Science and Technology
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Woo S
Korea Advanced Inst. Sci. And Technol Taejon Kor
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Woo Seong
Department Of Chemical Engineering Korea Advanced Institute Of Science And Technology
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Kim Hee
Division Of Advanced Chemical Technology Korea Research Institute Of Chemical Technology
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Kim Hee
Division Of Chemical Technology Korea Research Institute Of Chemical Technology(krict)
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Kim Hyung
Division of Biotechnology, The Catholic University of Korea
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