Abstract
Odor pollution is especially concerned due to its unpleasant smell, human health impacts and the possibility to be dispersed in a very large area. Odor emission sources from typical industries were introduced. The representative technologies for cleaning odor polluted air stream such as adsorption, absorption, biological treatment, thermal and non-thermal oxidation methods were reviewed in this paper. The advantages and disadvantages of these methods were analyzed and compared.
Highlights
Odor pollution may be caused by a single volatile compound or more typically by a mixture of compounds [1]
It is highly concerned due to its unpleasant smell, human health impacts and the possibility to be dispersed in very large area
Odor pollution is difficult to address given that many pollutants cause strong odors at extremely low concentrations [3]
Summary
Odor pollution may be caused by a single volatile compound or more typically by a mixture of compounds [1]. In Vietnam, the national technical regulations in ambient air and industrial emission, for instances QCVN 06 : 2009/BTMT, QCVN : 2009/BTMT, QCVN : 2009/BTMT, are being applied to control odor pollution. Complying with these odor pollution regulations, various treatment technologies have been developed. This paper aims to summarize odor pollution emission sources and to review the typical traditional treatment technologies including adsorption, absorption, biofiltration, thermal and non-thermaloxidation which have been efficiently applied in Vietnam and TAÏP CHÍ PHAÙT TRIEÅN KH&CN, TAÄP 19, SOÁ M1- 2016 elsewhere in the world to degrade and remove the odorous compounds from the polluted air stream. Advantages and disadvantages of the considered methods are assessed and presented
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