Journal
BIORESOURCE TECHNOLOGY
Volume 364, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.128065
Keywords
Waste to hydorgen; Gas separation; Two-dimensional materials; Fabrication; Hydrogen purification
Funding
- University of Bath
- Fujian Provincial Department of Science and Technology [2019Y0006]
- Jinan City-school Integration Development Strategy Project [JNSX2021048]
- Royal Society [IEC\NSFC \211021]
- Leverhulme Trust [RPG-2022-177]
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Waste management and climate change are global issues, and the waste-to-hydrogen process offers a solution by producing renewable hydrogen fuel. By using two-dimensional materials as substitutes for conventional membranes, the limitations of current polymeric membranes can potentially be overcome.
Waste management has become an ever-increasing global issue due to population growth and rapid globalisa-tion. For similar reasons, the greenhouse effect caused by fossil fuel combustion, is leading to chronic climate change issues. A novel approach, the waste-to-hydrogen process, is introduced to address the concern of waste generation and climate change with an additional merit of production of a renewable, higher energy density than fossil fuels and sustainable transportation fuel, hydrogen (H2) gas. In the downstream H2 purifying process, membrane separation is one of the appealing options for the waste-to-hydrogen process given its low energy consumption and low operational cost. However, commercial polymeric membranes have hindered membrane separation process due to their low separation performance. By introducing novel two-dimensional materials as substitutes, the limitation of purifying using conventional membranes can potentially be solved. Herein, this article provides a comprehensive review of two-dimensional materials as alternatives to membrane technology for the gas separation of H2 in waste-to-hydrogen downstream process. Moreover, this review article elaborates and provides some perspectives on the challenges and future potential of the waste-to-hydrogen process and the use of two-dimensional materials in membrane technology.
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