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CLEANTECH
as a management tool has universal applicability. However,
experience reveals that the potential for implementation of CLEANTECH
in a given facility or activity depends upon the following
factor very significantly;
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CLEANTECH
potential is directly proportional to the volume of the
effluent: Examples to this could include paper mills, textile
dyeing and processing, food processing industries, fast food
chains and sewage handling systems.
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CLEANTECH
potential is directly proportional to toxicity of
materials/effluent: No one could imagine someone wasting
cyanide, as the consequences are so well known.
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CLEANTECH
potential is directly proportional to the hazard potential of
process/materials: Examples could include the harrowing MIC leak
in Bhopal or a liquid hydrogen transportation facility.
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CLEANTECH
potential is directly proportional to cost of materials/wastes:
Have you ever heard of a gold smith wasting materials.
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CLEANTECH
is directly proportional to energy intensity of the process: The
best example could be that of industrial drying processes in
textile, paper and food processing sectors or the glass, ceramic
and steel industries in particular.
Applying
the above broad criteria and the experience of implementation,
following could be some of the industries best suited for the
implementation of
CLEANTECH;
- Pulp
and Paper Industries.
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- Drugs and
pharmaceuticals.
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- Textile dyeing and
processing.
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- Plywood and lamination
industries.
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- Metal heat treatment and
surface finishing.
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- Leather processing
industries.
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- Breweries and
Distilleries.
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- Food
processing industries.
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- Mineral
processing industries.
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- Butcheries and meat
processing.
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- Cement,
glass and ceramic industries.
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- Asbestos based industries.
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- Chemical
and petrochemical industries.
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- Printing and Packaging
industries.
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- Industries handling PCB’s
and other chemicals of concern.
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The
above list could however be best stated as illustrative and not
exhaustive. It only includes industries, where CLEANTECH
could be
implemented easily and readily reaping the low hanging fruit and to
establish the usefulness of the techniques of cleaner production so
as to motivate increasing number of facility owners and managers to
adopt CLEANTECH
for pollution control at profit. In actual practice,
it could be gainfully implemented in every facility or activity. The
best examples of other than manufacturing industries could be the
public services like hospitals, transport, sewage handling &
treatment and construction. A public or private sector office could
be no exception to the above.
Some
Possible CLEANTECH
Initiatives
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Totally
chlorine free bleaching of pulp in paper mills
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Lignin
separation from black liquor for valorization
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Chemical
free processing of cane juice in sugar mills
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Wastepaper
de-inking for recycling in paper mills
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Microwave
heating/drying in food/ textile industry
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Computer
aided design, simulation and process control
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Bio
pulping & bio bleaching of pulp & paper
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Freeze
concentration of waste stream to recycle concentrate
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