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Utilizing Waste Plastic Bottle-Based Pyrolysis Oil as an Alternative Fuel
Somkiat Maithomklang1, Khatha Wathakit2, Ekarong Sukjit1
1School of Mechanical Engineering, Institute of Engineering, Suranaree University of Technology, 111 University Avenue, Suranaree Sub-District, Muang District, Nakhon Ratchasima 30000, Thailand.
ACS Omega
|June 27, 2022
Summary
Waste plastic oil from PET bottles shows similar fuel properties to diesel but increases emissions when used directly. Blending up to 20% waste plastic oil with diesel is recommended for similar combustion and emission characteristics.
Area of Science:
- Engineering
- Environmental Science
- Materials Science
Background:
- Waste poly(ethylene terephthalate) (PET) bottles present a significant disposal challenge.
- Developing alternative fuels from waste materials can mitigate environmental impact and reduce reliance on fossil fuels.
Purpose of the Study:
- To investigate the feasibility of using waste plastic oil from PET bottles (WPOB) as an alternative fuel in diesel engines.
- To evaluate the impact of WPOB on combustion and emissions characteristics.
- To determine optimal blending ratios of WPOB with diesel fuel.
Main Methods:
- Characterization of physical and chemical properties of WPOB.
- Experimental testing of WPOB in a diesel engine.
- Analysis of combustion parameters and emissions, including particulate matter (PM).
- Thermogravimetric analysis (TGA) for soot oxidation behavior.
- Evaluation of blended fuels (WPOB and diesel).
Main Results:
- WPOB exhibits fuel properties comparable to petroleum fuels.
- Direct use of WPOB in diesel engines leads to retarded combustion and increased carbon-based emissions.
- Thermogravimetric analysis indicates a lower soot oxidation temperature for WPOB.
- Blending WPOB with diesel fuel up to 20% by volume maintains combustion and emission characteristics similar to diesel fuel.
Conclusions:
- Direct utilization of WPOB in diesel engines is not advisable due to combustion and emission issues.
- WPOB can be effectively utilized as a blend component in diesel fuel.
- A blend of up to 20% WPOB in diesel fuel offers a viable option for reducing diesel consumption while maintaining engine performance and emission levels.
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