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Chhāgalnāiya, Bangladesh

Islam A.,University Putra Malaysia | Islam A.,Active Fine Chemicals Ltd. | Chan E.-S.,University of Selangor | Taufiq-Yap Y.H.,University Putra Malaysia | And 3 more authors.
Renewable and Sustainable Energy Reviews | Year: 2014

Energy is a key indicator of the nation's overall economic as well as social development. Looking at the present energy demand scenario in Bangladesh, electricity demand has significantly increased over the past years. Most of the Bangladesh's power plants are heavily dependent on expensive imported fossil fuel energy resources. Thus, the power failure has become an acute problem for the country and adversely affects the socio-economic development of the country. Consequently, the shortage and constraint in availability of fossil fuels appeal to boost up the renewable energy sector in Bangladesh in order to bring down the gap between demand and supply. Hence, decisive steps to reform the power sector with a mandate to oversee these sectors urgently need to overcome current energy crisis facing in the country. In this paper, efforts have been made to summarize the availability, current status, strategies, perspectives, promotion policies, major achievements and future potential of energy options in Bangladesh. © 2014 Elsevier Ltd.

Islam Md.S.,University Putra Malaysia | Ahmed A.S.,University Malaysia Sarawak | Islam A.,University Putra Malaysia | Islam A.,Active Fine Chemicals Ltd. | And 3 more authors.
Journal of Chemistry | Year: 2014

This paper presents the result of investigations carried out in studying the emission and performance of diesel engine using the castor biodiesel and its blend with diesel from 0% to 40% by volume. The acid-based catalyzed transesterification system was used to produce castor biodiesel and the highest yield of 82.5% was obtained under the optimized condition. The FTIR spectrum of castor biodiesel indicates the presence of C=O and C-O functional groups, which is due to the ester compound in biodiesel. The smoke emission test revealed that B40 (biodiesel blend with 40% biodiesel and 60% diesel) had the least black smoke compared to the conventional diesel. Diesel engine performance test indicated that the specific fuel consumption of biodiesel blend was increased sufficiently when the blending ratio was optimized. Thus, the reduction in exhaust emissions and reduction in brake-specific fuel consumption made the blends of caster seed oil (B20) a suitable alternative fuel for diesel and could help in controlling air pollution. © 2014 Md. Saiful Islam et al.

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