Document Detail

Sorptive removal of odorous carbonyl gases by water.
MedLine Citation:
PMID:  20364239     Owner:  NLM     Status:  MEDLINE    
In this study, the removal capacity of deionized water was investigated against five gaseous carbonyl compounds (i.e., acetaldehyde, propionaldehyde, butyraldehyde, valeraldehyde, and isovaleraldehyde) by means of the gas stripping method. To determine the trapping behavior of these odorants by water, gaseous working standards prepared at three different concentration levels (i.e., for acetaldehyde around 300, 500, and 1,000 ppb) were forced through pure water contained in an impinger at room temperature. The removal efficiency of the target compounds was inspected in terms of two major variables: (1) concentration levels of gaseous standard and (2) impinger water volume (20, 50, 100, and 150 mL). Although the extent of removal was affected fairly sensitively by changes in water volume, this was not the case for standard concentration level changes. Considering the efficiency of sorption media, gas stripping with aqueous solution can be employed as an effective tool for the removal of carbonyl odorants.
Ehsanul Kabir; Ki-Hyun Kim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-04-01
Journal Detail:
Title:  TheScientificWorldJournal     Volume:  10     ISSN:  1537-744X     ISO Abbreviation:  ScientificWorldJournal     Publication Date:  2010  
Date Detail:
Created Date:  2010-04-05     Completed Date:  2010-06-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101131163     Medline TA:  ScientificWorldJournal     Country:  England    
Other Details:
Languages:  eng     Pagination:  535-45     Citation Subset:  IM    
Department of Earth and Environmental Sciences, Sejong University, Seoul, Korea.
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MeSH Terms
Aldehydes / analysis*
Chromatography, High Pressure Liquid
Gases / isolation & purification*
Spectrophotometry, Ultraviolet
Volatile Organic Compounds / analysis
Water / chemistry
Reg. No./Substance:
0/Aldehydes; 0/Gases; 0/Volatile Organic Compounds; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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