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Recent Advances in the Catalytic Oxidation of Volatile Organic Compounds: A Review Based on Pollutant Sorts and Sources
journal contribution
posted on 2019-02-27, 20:20 authored by Chi He, Jie Cheng, Xin Zhang, Mark Douthwaite, Samuel Pattisson, Zhengping HaoIt is well known
that urbanization and industrialization have resulted
in the rapidly increasing emissions of volatile organic compounds
(VOCs), which are a major contributor to the formation of secondary
pollutants (e.g., tropospheric ozone, PAN (peroxyacetyl nitrate),
and secondary organic aerosols) and photochemical smog. The emission
of these pollutants has led to a large decline in air quality in numerous
regions around the world, which has ultimately led to concerns regarding
their impact on human health and general well-being. Catalytic oxidation
is regarded as one of the most promising strategies for VOC removal
from industrial waste streams. This Review systematically documents
the progresses and developments made in the understanding and design
of heterogeneous catalysts for VOC oxidation over the past two decades.
It addresses in detail how catalytic performance is often drastically
affected by the pollutant sources and reaction conditions. It also
highlights the primary routes for catalyst deactivation and discusses
protocols for their subsequent reactivation. Kinetic models and proposed
oxidation mechanisms for representative VOCs are also provided. Typical
catalytic reactors and oxidizers for industrial VOC destruction are
further discussed. We believe that this Review will provide a great
foundation and reference point for future design and development in
this field.
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Recent AdvancesVOC oxidationCatalytic Oxidationpollutant sourcesCatalytic oxidationKinetic modelsfuture designVolatile Organic Compoundsoxidation mechanismsReviewrepresentative VOCscatalyst deactivationPollutant SortsemissionVOC removalreference pointVOC destructionreaction conditionsair qualitywaste streams
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