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A new approach to kinetics of purifying waste gases containing volatile organic compounds (VOC) in low concentration by using the biological method

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
12
Issue
1
Identifiers
DOI: 10.1016/s0959-6526(02)00195-6
Keywords
  • Kinetic Mechanism
  • Model
  • Adsorption-Biofilm Theory
  • Biological Trickling Filter
  • Toluene
  • Purification Of Waste Gases
Disciplines
  • Biology
  • Chemistry
  • Medicine

Abstract

Abstract The kinetic mechanisms of purifying waste gas containing toluene in low concentrations were investigated by using a biological trickling filter packed with biofilm packing-material. The type of biochemical reaction, the overall controlling factors, and the function of the biofilm were examined. The purifying process was described as a process of ‘adsorption–biochemical reaction’, with the biofilm acting as the effective adsorbing surface, and the bacterial bodies being the activating points of the biochemical reactions. An ‘Adsorption-Biofilm Theory’ and associated kinetic model were established, and the model was verified using experimental data. The correlation coefficients between calculated data and experimental data were 0.95–0.96.

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