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A feasibility study for renewable electricity production from organic residues on the island of phu quoc, vietnam

The presented feasibility study outlines those options by describing their technical concept (i.e. substrate supply, process and facilities, construction), energy utilization and distribution aspects.

Against the background of global climate change and increasing prices of fossil fuel, the importance of producing sustainable, renewable energy increases significantly. Carbon dioxide neutral energy generation using biomass or organic waste is an alternative option that deserves attention particularly in developing countries like Vietnam. This paper presents a feasibility study for energy production from biomass and/or organic waste in the island of Phu Quoc in Vietnam. Currently, electricity is generated by diesel-based decentralized power generation facilities and the supply is not sufficient to meet the current demand, thus electricity tariffs for the end consumer are relatively high. Due to favorable climatic conditions and the prevailing economic structure, potential input materials (i.e. organic substrates from farming, forestry and waste) are very abundant and framework conditions of Phu Quoc Island are very favorable for the application of renewable energy processes using biogas or biomass combustion technologies. Based on collected framework data and information, and their subsequent assessment, three different options (two technologies and their combination) for generation of energy from renewable sources are discussed. The presented feasibility study outlines those options by describing their technical concept (i.e. substrate supply, process and facilities, construction), energy utilization and distribution aspects. Furthermore economic issues like investment, operation, maintenance and energy production costs, revenue, economic viability and financing options have been researched and evaluated. In addition environmental aspects as well as socio-economic, social and cultural impacts have been considered and finally legislative constrains are described. Three different technological option for biogas production through a dry fermentation process, a combustion plant and a combination of the two technologies were assessed for two different locations with the third technological option being rejected at the early stages of the study. The combustion plant assessed was considered to use the Pebble-heater technology using also a solar drying process for the pretreatment of the incoming waste stream. There are different financing models possible for the implementation of such projects. The Public Private Partnership model and the financing with the help of the Clean Development Mechanism are finance models that can be used especially in developing countries.

Copyright:	© European Compost Network ECN e.V.
Quelle:	Orbit 2008 (Oktober 2008)
Seiten:	12
Preis:	€ 0,00
Autor:	Assoc. Prof. Avraam Karagiannidis Dr. Martin Wittmaier Dipl.-Ing. Stefanie Langer
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