Urbanization
has increased across the globe and all the big cities can be considered as the
principal drivers of the country’s economy, but at the same time, these cities
also contribute to the large-scale production of solid wastes.
The rapidly
increasing population growth has also caused a severe imbalance in the supply
and demand chain, rising prices of daily commodities, safe drinking water and
waste management. The latter becomes important, as improper disposal of waste
is detrimental to human health and the environment. The harm might be caused
not only by the waste itself but also as a consequence of inappropriate
treatment strategy, e.g., the release of offensive odors and breeding of
insects and rodents.
The
environmental impacts due to illegal dumping of municipal solid waste or its
mismanagement could lead to the following harmful effects:
(i) spread of
disease vectors,
(ii) foul odor
due to the degradation of organic fractions,
(iii) open
biomass burning leading to air pollution problems,
(iv) leaching
of toxic compounds affecting the ground water quality,
(v) climate
change impacts and atmospheric photochemical reactions,
(vi)
degradation of existing landscapes,
(vii)
contamination of soil and surface water bodies.
Therefore, to
counter-balance these impacts, there is an urgent need to implement innovative
hybrid treatment technologies that would accomplish resource recovery from municipal
solid waste (MSW) and facilitate to achieve sustainable bioeconomy in
developing countries.