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Literature review example - Life Cycle Assessment of Greenhouse Gas Emissions From Natural Gas And Biomass Power Plants

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Masters
Literature review
Engineering and Construction
Pages 10 (2510 words)
This document provides a summary of the proposed research to assesses the development and use of a Life Cycle Assessment to investigate the environmental impact of the employment of natural gas and biomass to generate electricity in power plants. …

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The paper has examined the LCA of natural gas and biomass plants with and without CCS. It is seen that natural gas has much higher emissions and even with CCS, GHG are still high. Biomass has much lower emissions and with CCS, the fuel source is very attractive. However, biomass fuel is difficult to procure and costly to transport in bulk.
This paper gives the results from the literature review and a brief comparison of the two fuels is done to understand the manner in which they perform. CNG is highly commercialised and about 37% of power in the world is generated through CNG. Sufficient stocks are also available and the level of energy security is high. However, with biomass, the energy security is less and extensive use of wood, barley and maize for production of ethanol can lead to shortage of grain and can impact the food security. Development of transport and logistics technology such as refrigerated trucks and ships, pipelines and dedicated outlets have allowed this fuel to become portable. This means, natural gas mined in Nigeria is transported economically to Europe or even China. The author of the report this flexibility and ease of use is not possible with biomass. Compressed gas has a much higher GHG emission and more power is consumed in processing and transporting the fuel. Biomass has a much lesser amount of GHG emissions but the fuel cannot be transported economically over longer distance. Hence, it use is only in power plants in the area where plant vegetation and wood is available. ...
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