Life-cycle assessment of hydrogen production via catalytic gasification of wheat straw in the presence of straw derived biochar catalyst
The environmental footprints of H2production via catalytic gasification of wheat straw using straw-derived biochar catalysts were examined. The functional unit of 1 kg of H2was adopted in the system boundaries, which includes 5 processes namely biomass collection and pre-treatment units (P1), biocha...
| Main Authors: | Loy, A.C.M., Alhazmi, H., Lock, S.S.M., Yiin, C.L., Cheah, K.W., Chin, B.L.F., How, B.S., Yusup, S. |
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| Format: | Article |
| Institution: | Universiti Teknologi Petronas |
| Record Id / ISBN-0: | utp-eprints.29665 / |
| Published: |
Elsevier Ltd
2021
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| Online Access: |
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85113366725&doi=10.1016%2fj.biortech.2021.125796&partnerID=40&md5=27b6ff36459d1eded0e95e25ea81d881 http://eprints.utp.edu.my/29665/ |
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| Summary: |
The environmental footprints of H2production via catalytic gasification of wheat straw using straw-derived biochar catalysts were examined. The functional unit of 1 kg of H2was adopted in the system boundaries, which includes 5 processes namely biomass collection and pre-treatment units (P1), biochar catalyst preparation using fast pyrolysis unit (P2), two-stage pyrolysis-gasification unit (P3), products separation unit (P4), and H2distribution to downstream plants (P5). Based on the life-cycle assessment, the hot spots in this process were identified, the sequence was as follows: P4 > P2 > P1 > P3 > P5. The end-point impacts score for the process was found to be 93.4017 mPt. From benchmarking analysis, the proposed straw-derived biochar catalyst was capable of offering almost similar catalytic performance with other metal-based catalysts with a lower environmental impact. © 2021 Elsevier Ltd |
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