Nickel-iron doped on granular activated carbon for efficient immobilization in biohydrogen production.

Autor: Jamaludin NFM; Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia., Abdullah LC; Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia., Idrus S; Department of Civil Engineering, Faculty of Engineering, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia., Engliman NS; Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia (IIUM), P.O Box 10, 50728 Gombak, Kuala Lumpur, Malaysia., Tan JP; School of Energy and Chemical Engineering, Xiamen University Malaysia, Jalan Sunsuria, Bandar Sunsuria, 43900 Sepang, Selangor, Malaysia., Jamali NS; Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia; Nanomaterials Processing and Technology Laboratory, Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia. Electronic address: syakina@upm.edu.my.
Jazyk: angličtina
Zdroj: Bioresource technology [Bioresour Technol] 2024 Jan; Vol. 391 (Pt A), pp. 129933. Date of Electronic Publication: 2023 Oct 26.
DOI: 10.1016/j.biortech.2023.129933
Abstrakt: Nickel-iron doped granular activated carbon (GAC-N) was used to enhance immobilization in biohydrogen production. The effect of the sludge ratio to GAC-N, ranged 1:0.5-4, was studied. The optimum hydrogen yield (HY) of 1.64 ± 0.04 mol H 2 /mol sugar consumed and hydrogen production rate (HPR) of 45.67 ± 1.00 ml H 2 /L.h was achieved at a ratio of 1:1. Immobilization study was performed at 2 d HRT with a stable HY of 2.94 ± 0.16 mol H 2 /mol sugar consumed (HPR of 83.10 ± 4.61 ml H 2 /L.h), shorten biohydrogen production from 66 d to 26 d, incrementing HY by 57.30 %. The Monod model resulted in the optimum initial sugar, maximum specific growth rate, specific growth rate, and cell growth saturation coefficient at 20 g/L, 2.05 h -1 , 1.98 h -1 and 6.96 g/L, respectively. The dominant bacteria identified was Thermoanaerobacterium spp. The GAC-N showed potential as a medium for immobilization to improve biohydrogen production.
Competing Interests: Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Nina Farhana Mohd Jamaludin reports financial support was provided by Southeast Asian Regional Center for Graduate Study and Research in Agriculture. Nur Syakina Jamali reports financial support was provided by Putra Malaysia University.
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Databáze: MEDLINE
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