Journal
ENERGY SCIENCE & ENGINEERING
Volume 6, Issue 2, Pages 73-82Publisher
WILEY
DOI: 10.1002/ese3.183
Keywords
CaF2; CaSO4; conceptual design; multi-bed series reactor; perfluorinated compounds; SF6
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Funding
- Korea Ministry of Environment (MOE) [RE2015001690003]
- Korea Institute of Energy Technology Evaluation and Planning (KETEP) [20174010201330]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20174010201330] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Conceptual design using multi-bed series reactors consisting of catalysts and adsorbent beds was performed for a new SF6 abatement and utilization technology free of toxic chemicals to reduce SF6 emissions and produce valuable products like CaF2 and CaSO4 simultaneously. With process simulation studies using Aspen HYSYS (R), comparative studies for a single-bed reactor (SR-1), a two-bed series reactor (SR-2), and a three-bed series reactor (SR-3) revealed that more CaF2 and CaSO4 were produced in multi-bed series reactors compared to a SR-1 (SR-3>SR-2>SR-1) possibly due to sorption-enhanced hydrolysis. In addition, lower operating temperatures were observed in multi-bed series reactors (T-SR1>T-SR2>T-SR3) showing the positive effect of using multi-bed series reactors for a simultaneous SF6 abatement and utilization technology.
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