Evaluation of glycerol tert-butyl ethers as renewable fuel additive

Yıl 2020, , 66 - 75, 08.06.2020

Abdülvahap Çakmak , Hakan Özcan

https://doi.org/10.18245/ijaet.655168

Cited By: 5

Öz

The aim of this research is the investigation of using glycerol tert-butyl ethers as a bio-renewable fuel additive to diesel-biodiesel blend in a diesel engine. In this context, an experimental study was carried out to synthesize glycerol tert-butyl ethers and investigate the effect of glycerol ethers on diesel engine performance and emissions. Glycerol tert-butyl ethers were synthesized by the etherification reaction of glycerol with tert-butyl alcohol (TBA) in a high-pressure stainless steel batch reactor using Amberlyst-15 as solid acidic catalyst. Produced glycerol ethers were mixed by 2 vol.% with a biodiesel-diesel blend to investigate the glycerol ethers usage as a fuel additive in a diesel engine. Three test fuels were considered for the experiments: (i) diesel fuel, (ii) B20 (80 vol.% diesel + 20 vol.% corn oil biodiesel); (iii) BD+GTBEs (80 vol.% diesel + 18 vol.% corn oil biodiesel + 2 vol.% glycerol tert-butyl ethers). Some basic fuel properties of test fuels were determined prior to engine tests. Engine performance and emissions tests were performed on a single-cylinder research diesel engine at four brake power output. The results revealed that the addition of glycerol tert-butyl ethers in the fuel showed no significant effect on determined fuel properties and caused a decrease in engine performance and exhaust emissions except for CO emissions when compared to base diesel fuel. However, BD+GTBEs presented similar performance and emissions characteristics with B20, as a consequence, glycerol tert-butyl ethers have the possibility of being utilized as a bio-renewable fuel additive to diesel-biodiesel blends.

Anahtar Kelimeler

Glycerol tert-butyl ethers, Oxygenated fuels, biodiesel, diesel engine, performance, Emissions

Destekleyen Kurum

Project Management Office of Ondokuz Mayis University

Proje Numarası

PYO.MUH.1904.19.016

Teşekkür

Abdülvahap ÇAKMAK was awarded a scholarship by the Scientific and Technical Research Council of Turkey (TUBITAK-BIDEB: 2211-C). He thanks to TUBİTAK.

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