Answer:
Effluents
and harmful gases are the main wastes which are produced in a fertilizer factory.
Suitable mechanism for waste management are
(i) For control of gaseous pollutants combustion
equipments are used for pollutants which can be oxidized. The pollutants are
exposed to a high temperature (1650-) in the process.
Air pollutants such as certain gases and vapour and
inflammable compounds are controlled through the use of adsorption equipments.
Adsorption is a surface phenomenon and it needs the presence of large solid
surface area. Toxic and odoriferous compounds are efficiently removed.
(ii) Three options are available for controlling the
effluents
(a) Control can take place at the point of generation
within the factory.
(b) Waste water can be pro-treated for discharge to
municips! treatment systems
(c) Waste water can be treated completely at the factory
and either reused or discharged directly into receiving waters.
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