A novel emulsifier for ethanol–diesel blends and its effect on performance and emissions of diesel engine

► A novel mixed emulsifier, named “CLZ”, was developed based on biofuel and castor oil. ► With a CLZ emulsifier the ethanol–diesel blend E10 can keep its physical stability. ► The use of ethanol–diesel blends with a CLZ improved the break thermal efficiency. ► The smoke emission was reduced signific...

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Veröffentlicht in:Fuel (Guildford) 2012-03, Vol.93, p.305-311
Hauptverfasser: Lei, Jilin, Shen, Lizhong, Bi, Yuhua, Chen, Hong
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creator Lei, Jilin
Shen, Lizhong
Bi, Yuhua
Chen, Hong
description ► A novel mixed emulsifier, named “CLZ”, was developed based on biofuel and castor oil. ► With a CLZ emulsifier the ethanol–diesel blend E10 can keep its physical stability. ► The use of ethanol–diesel blends with a CLZ improved the break thermal efficiency. ► The smoke emission was reduced significantly and the NOx emission decreased slightly. According to the theory of “hydrophilic–lipophilic balance (HLB)” and the emulsification principle, the emulsification performance and stability of ethanol–diesel blends were studied with single and mixed emulsifiers and the effects of temperature on emulsification properties were analyzed. A novel mixed emulsifier, named “CLZ”, was developed based on biofuel and castor oil and the effects of the ethanol–diesel blends with CLZ were investigated on the performance and emission characteristics of a diesel engine. The results indicated that with a CLZ-type emulsifier the ethanol–diesel blend E10 can keep its physical stability at a wide range of temperatures. The use of ethanol–diesel blends with a CLZ improved the break thermal efficiency and reduced the equivalent brake-specific fuel consumption (BSFC). The smoke emission was reduced significantly and the NOx emission decreased slightly, while the THC emission increased. The CO emissions increased at light loads and decreased at heavy loads.
doi_str_mv 10.1016/j.fuel.2011.06.013
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According to the theory of “hydrophilic–lipophilic balance (HLB)” and the emulsification principle, the emulsification performance and stability of ethanol–diesel blends were studied with single and mixed emulsifiers and the effects of temperature on emulsification properties were analyzed. A novel mixed emulsifier, named “CLZ”, was developed based on biofuel and castor oil and the effects of the ethanol–diesel blends with CLZ were investigated on the performance and emission characteristics of a diesel engine. The results indicated that with a CLZ-type emulsifier the ethanol–diesel blend E10 can keep its physical stability at a wide range of temperatures. The use of ethanol–diesel blends with a CLZ improved the break thermal efficiency and reduced the equivalent brake-specific fuel consumption (BSFC). The smoke emission was reduced significantly and the NOx emission decreased slightly, while the THC emission increased. 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source Elsevier ScienceDirect Journals
subjects Applied sciences
Blends
Diesel engines
Emission
Emissions control
Emulsification
Emulsifier
Emulsifiers
Energy
Energy. Thermal use of fuels
Engines and turbines
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Ethanol–diesel blend
Exact sciences and technology
Fuels
Polymer blends
Stability
title A novel emulsifier for ethanol–diesel blends and its effect on performance and emissions of diesel engine
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