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Title: An assessment of carbon dioxide abatement and energy storage in methanol
Author: Duthie, Joanna Mary
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 2004
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In response to the challenge of climate change and potential energy supply insecurity, the UK Government published a White Paper outlining objectives for a long term energy strategy. The Electricity Supply Industry (ESI) must address these energy policy goals of reducing environmental impact while maintaining security of supply and affordability. The lower electricity prices currently experienced in the ESI are a result of investment in natural gas generation and it is expected that this investment trend will continue. However, once the domestic North Sea resource is exhausted the UK will become dependent on imports. Here there is a conflict between low cost energy and security of supply. This study tests the thesis that energy storage and carbon dioxide (CO2) abatement in methanol is feasible as a means of meeting the energy policy objectives. Sequestering CO2 emitted from fossil fuel power stations will allow them to continue to generate electricity. This could maintain the diversity and therefore security in the fuel mix of the ESI. Using intermittent renewable energy to electrolyse water and produce hydrogen offers an energy storage solution that could counter and alleviate the problems of intermittency on the network. Analysis of the methanol production process, in terms of the economic requirements, abatement capability and the necessary conditions for its feasibility are set out. To establish the necessary economic and regulatory setting for the methanol process to be feasible an optimal fuel allocation model was constructed. Taking into account CO2 emissions, security of supply, cost of electricity and economic instruments the model is used to determine how the ESI could achieve the energy policy goals. Results of the feasibility study conclude on how the methanol process can be used to help the ESI meet the energy strategy objectives and describe the necessary economic and regulatory measures required.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available