Lien-Te Hsieh 1,2, Ya-Fen Wang3, Pomin Li4, Kuan-Chung Chen1,2

  • 1 Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, 1 Shuefu Fu Road, Pingtung 912, Taiwan
  • 2 Emerging Compounds Research Center (ECOREC), National Pingtung University of Science and Technology, 1 Shuefu Fu Road, Pingtung 912, Taiwan
  • 3 Department of Bioenvironmental Engineering and R&D Center of Membrane Technology, Chung Yuan Christian University, Chung-Li, 320, Taiwan
  • 4 Department of Biomechatronics Engineering , National Pingtung University of Science and Technology, 1 Shuefu Fu Road, Pingtung 912, Taiwan

Received: February 23, 2011
Revised: March 23, 2011
Accepted: March 23, 2011
Download Citation: ||https://doi.org/10.4209/aaqr.2011.02.0012 

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Cite this article:
Hsieh, L.T., Wang, Y.F., Li, P. and Chen, K.C. (2011). Removal of Particle-bound Water-soluble Ions from Cooking Fume Using Bio-solution Wet Scrubber. Aerosol Air Qual. Res. 11: 508-518. https://doi.org/10.4209/aaqr.2011.02.0012


 

ABSTRACT


Wet scrubbers are one of the most important air-pollution control devices (APCDs) for the simultaneous removal of various acidic gases and particulates. This study was conducted on a lab-scale self-designed wet scrubber (WSB) system for the treatment of particle-bound water-soluble ions emitted from cooking fumes with/without adding bio-solution (namely, NOE-7F). The concentration and composition of eight particle-bound water-soluble ions in the three situations were determined. Three situations include (i) particle-bound water soluble ions in the cooking fume exhaust without applying WSB or NOE-7F treatment; (ii) treating particle-bound water soluble ions in the cooking fume exhaust with applying WSB without adding NOE-7F; and (iii) treating particle-bound water soluble ions in the cooking fume exhaust with applying WSB and adding NOE-7F_50X/100X/200X. The particle-bound water-soluble ions samples were collected and then chemical analysis of the eight water soluble ionic species (Na+, K+, NO2-, Mg2+, Ca2+, Cl-, NO3-, and SO42-) was conducted by ion chromatography. The result indicated that adding NOE-7F bio-solution by diluted 200 folds into wet scrubber water and forming blended circulation water has the good removal efficiencies and reaches removal efficiencies higher than 80% for both Na+ (86.6%) and Cl- (85.9%). The addition of NOE-7F in the influent water had the enhanced effect on the particle-bound water-soluble ions removal and mainly promoted highly the hydrophilicity of particle-bound water-soluble ions in the water scrubber. The combination of both water scrubber and NOE-7F addition has a high potential for practical application.


Keywords: Bio-solution; Particle-bound water-soluble ions; Removal efficiencies; Wet scrubbers


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