Control of particulates from diesel engine exhaust gases
Oyedotun, O., Opatunde, O. and Needham, R. (2007) Control of particulates from diesel engine exhaust gases. Clean Technology, 10 (1). pp. 1-19.
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The aim of this project was to evaluate the suitability of two filtration methods for the exhaust gases emitted from a Diesel test engine. The two filtration methods considered were Cyclone technology and Fabric filter technology. Each method considered individually and conclusions were made at the end of the analysis as to which is most suitable for use. The Hydrocarbon Fuel being burnt in the test engine is an approximate Diesel,Diethyloctane, an Isoparaffin(www.chevron.com) with the chemical make up C12H26. It is known that the engine burns with 20% Excess air, therefore the Stoichiometric chemical reaction will not be sufficient for evaluation of the exhaust emissions. The local environment that the filtration method must operate within is fairly harsh and limiting for design. The Exhaust gas temperature is 177ºC (450K), therefore limiting material use for each filtration device. Another consideration is the nature of the gas entering the filtration device. By-products of Diesel are corrosive, again limiting material choice. Further considerations in the preliminary designs include the weight of the collection device as this will need to be kept to a minimum due to its engine application. Overall size will further constrain the design as it will be required to attach to the end of a 50mm Diameter (Estimated) exhaust pipe.