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Distilled Tyre Pyrolysis Oil as an alternate fuel for CI engine

100%

Jesila J. , Nagarajan G. , Murugan S.

Silniki Spalinowe

2007

tom R. 46, nr SC3

266-273

Intensified search for alterative fuels is the main interest across the world due to the impact of fossil fuel crisis, ever increasing vehicle population and oil price and stringent emission norms. On the other hand, the disposal of waste tyres from the automotive vehicles is becoming complex. Apart from alterative biomass derived fuels like Ethanol, Methanol, Hydrogen, Vegetable oils etc, the new sources for alternative fuels are also appreciable. In this context, pyrolysis of solid waste is currently receiving renewed interest. The disposal of waste tyres can be simplified to some extent by pyrolysis. The properties of the pyrolysis oil derived from the waste automobile tyres were analyzed and compared with the petroleum products and pure rubber pyrolysis oil. Also, TPO-Diesel blends were used as an alternate fuel in a four stroke diesel engine without any modification to the engine. However, the crude TPO has a higher viscosity and sulphur content. The Crude TPO was distilled through vacuum distillation and desulphurised. The properties of the Distilled TPO will be analysed using FTIR, GC and TGA tests. The performance and emission characteristics of a CI engine running with 80 % and 90 % Distilled TPO Diesel blends as fuel have been studied.

Tyre pyrolysis oil fueled dual fuel diesel engine

84%

Hariharan S. , Murugan S. , Nagarajan G.

Silniki Spalinowe

2007

tom R. 46, nr SC3

31-38

Studies report that Tyre Pyrolysis Oil (TPO) derived from waste automobile tyres through Pyrolysis has similar properties to that of diesel fuel. However the cetane number of Tyre Pyrolysis Oil is lesser than diesel. Early investigations reveal that TPO blended with diesel could be used as an alternate fuel for diesel engines. The maximum TPO diesel blend concentration was 70% and the engine failed to operate satisfactorily beyond this concentration. This may be due to the inferior cetane number of TPO as compared to Diesel. The NOx and smoke were high in diesel engine while running with TPO diesel blends. The main aim of the present work is to assess the effect of using DEE in a diesel engine running on TPO, Small quantities of DEE were inducted along with air in the suction manifold and TPO was injected into the combustion chamber of a single cylinder air cooled diesel engine. The performance and emission characteristics are reported in this paper.