WASTE-TO-HYDROGEN: CHALLENGES AND OPPORTUNITIES IN THE UK SCENARIO
- Massimiliano Materazzi - Department of Chemical Engineering, University College London, United Kingdom of Great Britain and Northern Ireland
- Suviti Chari - Department of Chemical Engineering, University College London, United Kingdom of Great Britain and Northern Ireland
- Shazeb Bajwa - Department of Chemical Engineering, University College London, United Kingdom of Great Britain and Northern Ireland
- Alex Sebastiani - Department of Chemical Engineering, University College London, United Kingdom of Great Britain and Northern Ireland
- Available online in Detritus - Volume 23 - June 2023
- Pages 65-75
Released under CC BY-NC-ND
Copyright: © 2023 CISA Publisher
Abstract
Hydrogen is widely recognised to play a key role to decarbonise various industries, as well as transportation, heating and power sectors, for it does not generate greenhouse gas emissions at the point of use. Understanding the technologies that can generate low carbon hydrogen is essential in planning the development of future gas networks and more sustainable manufacturing processes. One promising approach is hydrogen production by gasification of waste, referred to as biohydrogen. This paper summarises work undertaken to design a commercial Waste-to-Hydrogen (WtH2) plant, which includes an assessment of current development stage of technologies, the identification of an appropriate scale for the plants, and development of specifications for process design and output streams. The overall production levels of biohydrogen is observed to be limited by the availability of sustainable feedstocks; however, the results of negative CO2 emissions achieved via biohydrogen production shows that its overall potential to reduce GHG emissions is significantly better, as compared to other form or low carbon hydrogen. In particular, biohydrogen application is capable of generating negative emissions that are required to offset GHGs from other sectors in the future. In combination, low carbon hydrogen production can make a very important contribution to achieving net zero commitment in UK.Keywords
Editorial History
- Received: 07 Mar 2023
- Revised: 05 Jun 2023
- Accepted: 15 Jun 2023
- Available online: 30 Jun 2023
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