Leveraging food waste for electricity: A low-carbon approach in energy sector for mitigating climate change and achieving net zero emission in Hong Kong (China)

Tonni Agustiono Kurniawan; Xue Liang; Hui Hwang Goh; Mohd Hafiz Dzarfan Othman; Abdelkader Anouzla; Hussein Al-Hazmi; Kit Wayne Chew; Faissal Aziz; Imran Ali

doi:10.1016/j.jenvman.2023.119879

Leveraging food waste for electricity: A low-carbon approach in energy sector for mitigating climate change and achieving net zero emission in Hong Kong (China)

Abstract

In recent years, food waste has been a global concern that contributes to climate change. To deal with the rising impacts of climate change, in Hong Kong, food waste is converted into electricity in the framework of low-carbon approach. This work provides an overview of the conversion of food waste into electricity to achieve carbon neutrality. The production of methane and electricity from waste-to-energy (WTE) conversion are determined. Potential income from its sale and environmental benefits are also assessed quantitatively and qualitatively. It was found that the electricity generation from the food waste could reach 4.33 109 kWh annually, avoiding equivalent electricity charge worth USD 3.46 109 annually (based on US' 8/kWh). An equivalent CO2 mitigation of 9.9 108 kg annually was attained. The revenue from its electricity sale in market was 1.44 in the 1st year and USD 4.24 in the 15th year, respectively, according to the projected CH4 and electricity generation. The modelling study indicated that the electricity production is 0.8 kWh/kg of landfilled waste. The food waste could produce electricity as low as US' 8 per kW h. In spite of its promising results, there are techno-economic bottlenecks in commercial scale production and its application at comparable costs to conventional fossil fuels. Issues such as high GHG emissions and high production costs have been determined to be resolved later. Overall, this work not only leads to GHG avoidance, but also diversifies energy supply in providing power for homes in the future.

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Authors (9)

Tonni Agustiono Kurniawan
- Xiamen University, Xiamen
Xue Liang
- Guangxi University, Nanning
Hui Hwang Goh
- Guangxi University, Nanning
Mohd Hafiz Dzarfan Othman
- Universiti Teknologi Malaysia
Abdelkader Anouzla
- Hassan II University
Hussein Al-Hazmi dr inż.
Kit Wayne Chew
- Nanyang Technological University, Singapore
Faissal Aziz
- Cadi Ayyad University
Imran Ali
- Jamia Millia Islamia

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Keywords

ANAEROBIC DIGESTIONBIODEGRADABLE WASTECLIMATE CHANGEDECARBONIZATIONRENEWABLE ENERGY

Details

Category:

Articles

Type:

artykuły w czasopismach

Published in:

JOURNAL OF ENVIRONMENTAL MANAGEMENT no. 351,
ISSN: 0301-4797

Language:

English

Publication year:

2024

Bibliographic description:

Kurniawan T. A., Liang X., Goh H. H., Dzarfan Othman M. H., Anouzla A., Al-Hazmi H., Chew K. W., Aziz F., Ali I.: Leveraging food waste for electricity: A low-carbon approach in energy sector for mitigating climate change and achieving net zero emission in Hong Kong (China)// JOURNAL OF ENVIRONMENTAL MANAGEMENT -, (2024), s.119879-

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