A P-graph approach for the synthesis of national-wide bio-hydrogen network from palm oil mill effluent

Lee, Chee Hoong; Chong, Darren Yu Lun; Hemmati, Sadaf; Elnegihi, M. Mostafa; Foo, Dominic C. Y. ✉; How, Bing Shen; Yoo, ChangKyoo

Angol nyelvű Szakcikk (Folyóiratcikk) Tudományos
Megjelent: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 0360-3199 1879-3487 45 (35) pp. 17200-17219 2020
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The shift from conventional hydrogen production that utilised fossil-based energy towards a more sustainable practice is essential. Recently, the interest in utilising renewable hydrogen sources associated with bio-gas has risen. This work aims to develop a P-graph methodology for bio-hydrogen network synthesis, where oil refineries and ammonia plants act as bio-hydrogen sinks, while palm oil mills serve as the bio-hydrogen sources. The latter produces huge amount of palm oil mill effluent (POME) which may be converted to bio-hydrogen. The model is optimised with the aim to minimise the total network cost, whilst fulfilling the demand of all hydrogen sinks. Two case studies in Malaysia are used to illustrate the effectiveness of the proposed model. Results show that the overall network cost can be reduced by 45.6% (first case study) and 85.8% (second case study) when biohydrogen is supplied from the abundant POME in the study areas. Besides, the capability of the proposed P-graph framework in conducting uncertainty analysis and technology benchmarking study, are also demonstrated. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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2022-05-16 07:52