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Semi-quantitative risk assessment of commercial scale supply chain of hydrogen fuel and implications for industry and society

Type of Publication
Year of Publication
2010
Authors

M. Moonis; A.J. Wilday; M.J. Wardman

Abstract

This paper is derived from a study on the safety of bulk transport and storage of hydrogen as a fuel, carried out by the Health and Safety Laboratory (HSL) for the Department for Transport (DfT). The aim of the study was to identify the knowledge and data required to develop fully a risk assessment for a hydrogen delivery and storage infrastructure. The methodology used was to begin to carry out a risk assessment for a representative delivery and storage supply chain, using a risk assessment methodology commensurate with the availability of necessary data. Semi-quantitative risk assessment was carried out through top-down HAZID brainstorming, consequence modelling using commercially available software, and use of a risk matrix. Finally through the risk assessment carried out and relevant literature review, the gaps in hazard identification, consequence modelling and frequency assessment, which should be filled to develop a quantified methodology, were compiled. Using data for current UK LPG consumption, comparisons were made between hydrogen and LPG for mode of failures and number of trips required to supply equivalent energy demand. The implications of using ammonia as a hydrogen carrier (hydrogen is within the ammonia molecule) and regulatory implications on hydrogen fuelling or storage sites are also discussed. Crown Copyright (C) 2009 Published by Elsevier B.V. on behalf of The Institution of Chemical Engineers. All rights reserved.

DOI

10.1016/j.psep.2009.11.006

Volume

88

Notes

Times Cited: 6 6

Pagination

97-108

Number
2
ISSN Number

0957-5820

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