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임한권

Lim, Hankwon
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Experimental and simulation studies for reaction enhancement of catalytic CF4 hydrolysis by consecutive HF removal using a multi-stage catalyst-adsorbent reactor

Author(s)
Han, Jae-YunKim, Chang-HyunLee, BoreumJeong, SeonjuLim, HankwonLee, Kwan-YoungRyi, Shin-Kun
Issued Date
2017-12
DOI
10.1002/ghg.1742
URI
https://scholarworks.unist.ac.kr/handle/201301/24479
Fulltext
https://onlinelibrary.wiley.com/doi/abs/10.1002/ghg.1742
Citation
GREENHOUSE GASES-SCIENCE AND TECHNOLOGY, v.7, no.6, pp.1141 - 1149
Abstract
In this paper, a multi-stage catalyst-adsorbent reactor consisting of a series of catalyst and adsorbent beds is proposed for an effective tetrafluoromethane (CF4) abatement and conversion of corrosive hydrogen fluoride (HF) to CaF2, a useful chemical. Experimentally, enhanced CF4 conversions were observed in multi-stage catalyst-adsorbent reactors compared to a zero-stage reactor (catalyst bed only) confirming sorption-enhanced CF4 hydrolysis due to selective removal of HF during reaction. In addition, some useful design guidelines to select the number of stages and a proper time to replace adsorbents are presented. To develop a process simulation model to represent experimental data, Aspen HYSYS (R), a commercial process simulator, was used providing a proper model to match experimental data quite reasonably. Based on experimental and simulative studies, a three- or four-stage catalyst-adsorbent reactor is recommended for CF4 abatement considering both reactor performance and capital/operating expenditures.
Publisher
WILEY PERIODICALS, INC
ISSN
2152-3878
Keyword (Author)
PFCsCF4 hydrolysiscalcium hydroxideCaF2process simulation
Keyword
DECOMPOSITIONCOMBUSTIONABATEMENTDESIGN

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