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http://dx.doi.org/10.5806/AST.2006.19.1.065

A test of the filtering efficiency of glass fiber filter against atmospheric sulfur gases  

Kim, K.H. (Dept. of Earth & Environmental Sciences, Sejong University)
Choi, Y.J. (Dept. of Earth & Environmental Sciences, Sejong University)
Publication Information
Analytical Science and Technology / v.19, no.1, 2006 , pp. 65-72 More about this Journal
Abstract
In this study, the filtering characteristics of sulfur gases were investigated from a number of respects. For the purpose of this study, a standard gas containing a single oxidized S ($SO_2$) and five reduced S compounds (RSCs) including $H_2S$, $CH_3SH$, DMS, $CS_2$, and DMDS was prepared. After flowing this standard gas through a glass fiber filter, its removal efficiencies were examined by comparing the concentrations between prior to and after its passage. The results indicated that almost complete removal of $SO_2$ was achieved by this filtering, while the patterns for RSCs were distinguished by such factors as molecular weight or reactivity. It was found that about 60% of the most reactive RSC, $H_2S$ was removed by filter, while the heavy RSC generally showed removal rate of about 5% or less.
Keywords
sulfur dioxide; reduced sulfur compounds (RSC); $H_2S$; removal; glass fiber filter;
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  • Reference
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