Introduction
Vegetables in our daily diet are the source of proteins, vitamins,
minerals, dietary fibers, micronutrients, antioxidants and
phytochemicals. The diverse soil and climatic conditions in the
country makes it possible to grow variety of vegetables. More
than 40 kinds of vegetables belonging to different groups are
grown in tropical, sub-tropical and temperate regions of the
country.
The vegetable markets produce plenty of vegetable waste per
day. The disposal of these wastes is a very serious issue. The
present vegetable waste disposal methods include dumping in
municipal landfills, spreading on land and by feeding to
animals. These unscientific methods results in environmental
pollution. These methods results in land, water and air
pollution. The treatment of vegetable wastes with the biological
methods appears to be economical and also controls
environmental pollution. Biomethanation is an attractive option among the biological
methods since it generates biogas comprising mainly methane
and carbon dioxide.Methane can be converted into electricity.
and effluent from biomethanation plant have nutritive value