Absorption of a volatile organic compound by a jet loop reactor with circulation of a surfactant solution: Performance evaluation

Byungjoon Park, Geelsu Hwang, Seungjoo Haam, Chang-Ha Lee, Ik Sung Ahn, Kyoungjoo Lee

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Biofiltration shows high efficiency for the removal of industrial waste gases and reliable operational stability at low investment and operating cost, especially when the VOC concentration is low, such as 100 ppmv (μL L-1) or less. However, it has been reported that the abrupt change in VOC concentrations leads to the failure of the biofilter. Hence, the pretreatment of waste gases is necessary to ensure the stable operation of the biofilter. The objective of this study is to develop a jet loop reactor (JLR) with circulation of a surfactant solution to lower the concentration of VOCs, especially hydrophobic VOCs. Toluene and Tween 81 were used as a model industrial waste gas and a surfactant, respectively. Among several non-ionic surfactants tested, Tween 81 showed the most rapid dissolution of toluene. When a JLR is replaced with fresh Tween 81 solution (0.3% w/v) every hour, it successfully absorbed for 48 h over 90% of the toluene in an inlet gas containing toluene at 1000 ppmv (μL L-1) or less. Therefore, JLR with circulation of a surfactant solution is believed to ensure the stable operation of the biofilter even with the unexpected increase in the VOC concentrations.

Original languageEnglish
Pages (from-to)735-741
Number of pages7
JournalJournal of Hazardous Materials
Volume153
Issue number1-2
DOIs
Publication statusPublished - 2008 May 1

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Volatile Organic Compounds
Toluene
Volatile organic compounds
Surface-Active Agents
volatile organic compound
surfactant
Polysorbates
Surface active agents
Biofilters
Gases
toluene
Industrial Waste
Industrial wastes
Biofiltration
biofiltration
Nonionic surfactants
Operating costs
Dissolution
Costs and Cost Analysis
dissolution

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

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abstract = "Biofiltration shows high efficiency for the removal of industrial waste gases and reliable operational stability at low investment and operating cost, especially when the VOC concentration is low, such as 100 ppmv (μL L-1) or less. However, it has been reported that the abrupt change in VOC concentrations leads to the failure of the biofilter. Hence, the pretreatment of waste gases is necessary to ensure the stable operation of the biofilter. The objective of this study is to develop a jet loop reactor (JLR) with circulation of a surfactant solution to lower the concentration of VOCs, especially hydrophobic VOCs. Toluene and Tween 81 were used as a model industrial waste gas and a surfactant, respectively. Among several non-ionic surfactants tested, Tween 81 showed the most rapid dissolution of toluene. When a JLR is replaced with fresh Tween 81 solution (0.3{\%} w/v) every hour, it successfully absorbed for 48 h over 90{\%} of the toluene in an inlet gas containing toluene at 1000 ppmv (μL L-1) or less. Therefore, JLR with circulation of a surfactant solution is believed to ensure the stable operation of the biofilter even with the unexpected increase in the VOC concentrations.",
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Absorption of a volatile organic compound by a jet loop reactor with circulation of a surfactant solution : Performance evaluation. / Park, Byungjoon; Hwang, Geelsu; Haam, Seungjoo; Lee, Chang-Ha; Ahn, Ik Sung; Lee, Kyoungjoo.

In: Journal of Hazardous Materials, Vol. 153, No. 1-2, 01.05.2008, p. 735-741.

Research output: Contribution to journalArticle

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