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What is Cetane number

Chapter 9
Recent Technologies for Enhancing Performance and Reducing Emissions in Diesel Engines
Cetane number of the test fuel is the volume percent of n-hexadecane (cetane number 100) in a mixture of n-hexadecane and 1-methylnaphthalene (cetane number 0) that gives similar ignition delay as test fuel.
Published in Chapter:
Impact of Diesel-Butanol-Waste Cooking Oil Biodiesel Blends on Stationary Diesel Engine Performance and Emission Characteristics
H. Sharon (Karunya Institute of Technology and Sciences, India), Joel Jackson R. (Karunya Institute of Technology and Sciences, India), and Prabha C. (Karunya Institute of Technology and Sciences, India)
Copyright: © 2020 |Pages: 20
DOI: 10.4018/978-1-7998-2539-5.ch009
Abstract
Feed stock cost and NOX emission are the major barriers for commercialization of biodiesel. Waste cooking oil is well identified as one of the cheapest feed stocks for biodiesel production. This chapter reduces NOX emission of waste cooking oil biodiesel. Test fuel blends are prepared by mixing diesel (20 to 50 v/v%), butanol (5 v/v%), and waste cooking oil biodiesel (45 to 75 v/v%). Fuel properties of waste cooking oil biodiesel are enhanced due to addition of diesel and butanol. Brake specific energy consumption of the blends is higher than diesel fuel. Harmful emissions like carbon monoxide, nitrous oxide, and smoke opacity are lower for blends than diesel fuel. Increasing biodiesel concentration in blend also reduces hydrocarbon emission to a significant extent. The obtained results justify the suitability of proposed cheap blends for diesel engine emission reduction.
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