BIOMETHANATION OF VEGETABLE MARKET WASTE – UNTAPPED CARBON TRADING by cls19351

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									    BIOMETHANATION OF VEGETABLE MARKET
      WASTE – UNTAPPED CARBON TRADING
                OPPORTUNITIES

K Sri Bala Kameswari, B Velmurugan, K Thirumaran and R A Ramanujam

                     Department of Environmental Technology
                     Central Leather Research Institute (CLRI),
                         Adyar, Chennai – 600 020, India
ABSTRACT

        Biomethanation of organic fraction of Municipal Solid Waste (MSW) including
vegetable market wastes is in practice in most of the countries in EU. In view of the inherent
characteristics of vegetable market wastes, Biomethanation is seemed top be a lucrative
process for Bio-energy generation and manure production in recent years under Waste-to-
Energy programme. A demonstration plant of capacity 30 tonnes per day was established for
Biomethanation of vegetable market waste at Koyambedu, Chennai with financial
contributions from Ministry of New Renewable Energy Sources (MNRE) (Formerly Ministry
of Non-Conventional Energy Sources), Govt. of India, New Delhi and Chennai Metropolitan
Development Authority (CMDA), Chennai with Technical support from Central Leather
Research Institute (CLRI), Chennai. The Biomethanation plant was designed for 30 tonnes
per day, organic loading rate of 2.5 kg of VS/day/m3 with biogas generation of 2500 m3 of
biogas per day and is in operation since September 2005. The major significance of this
demonstration plant is that, the biogas generated from this plant will be converted into
electrical energy and exported through TNEB grid.
        As a part of recent developments in the implementation of Kyoto Protocol for
reduction of Green House Gas (GHG) emissions into atmosphere, majority of waste to
energy, biomass based bio-energy projects are nourishing for implementation of Clean
Development Mechanism (CDM) in many parts of the world. The present paper delineates
the performance of the plant in terms of methane gas production considering the seasonal
variations in the wastes availability and carbon trading opportunities in Biomethanation of
vegetable market waste with special reference to Indian scenario. The key issues to be
considered in the development of such projects will be discussed in detail.

Key Words: Biomethanation, Vegetable Market Waste, Methane, Carbon Trading
 




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