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- W1521026960 abstract "ABSTRACT An energy audit was conducted on a soda ash plant in Botswana, and it was found that the performance of the plant could be improved. Further investigation revealed that the performance of the carbon dioxide (CO2) production section was heavily influenced by control problems experienced at the two coal-firing boilers. The CO2 production section consumes energy in the form of steam and electricity and utilizes a solvent mono-ethanol-amine (MEA) to extract CO2 from boiler flue gasses. Recommendations were made to repair and re-commission the boiler control system and to install an energy optimization system. Annual savings that could be achieved by optimal control of steam from the boilers to the turbine, CO2. plant, and processing plant (thereby controlling the interactions between these sections) amounted to BWP 2, 6 million. This constitutes 10% of the total annual coal bill. A total project life cycle of only 5 years was used, and the escalating savings due to inflation was disregarded. The IRR of the project was calculated to be 114%. This article covers the results of the energy audit. It also discusses the proposed solution and the savings potential that was identified regarding the CO2 plant." @default.
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- W1521026960 date "2010-06-01" @default.
- W1521026960 modified "2023-09-23" @default.
- W1521026960 title "Potential of Process Energy Optimization (PEO)TM on a Soda Ash Production Plant" @default.
- W1521026960 doi "https://doi.org/10.1080/01998595.2010.10012625" @default.
- W1521026960 hasPublicationYear "2010" @default.
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