As a consequence
of the rapid growth of population in urban areas, water use and reuse has
become a major concern, leading to an urgent imperative to develop effective
and affordable technologies for wastewater treatment.
Traditional
methods for wastewater treatment are usually based on physical and
biological processes but unfortunately, some organic pollutants, classified as
bio-recalcitrant, are not biodegradable.
In this way
heterogeneous photocatalysis may become an interesting water treatment
technology to remove organic pollutants not treatable by conventional
technique.
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