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Energy Extraction From Toxic Waste Originating From Food Processing Industries 39

3.6 CONCLUSIONS
Food waste management is an emerging challenge worldwide. Conversion
of food waste into biofertilizer, biogas, bio-oil, biopolyer, and chemicals
could be a promising alternative approach for the valorization of the food
waste. The adoption of these processes may reduce environment burden of
waste disposal, brings in additional income to the food processing industry,
directs benefit agricultural regions, and reduces the use of chemical fertiliz-
ers. Generation of biofertilizer as an additional income to complement bio-
gas production has already been implemented in many anaerobic digestion
plants, and field tests of these biofertilizers from properly managed anaero-
bic digestion plants have been demonstrated to be safe. With the increasing
understanding of the underlying principle of food waste degradation in
aerobic compost, land fill, anaerobic digestion, and thermal conversion for
getting pyrolysis oil, producer gas and biofertilizer could play an increas-
ingly important role in the near future.

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