Journal
BIORESOURCE TECHNOLOGY
Volume 341, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.125813
Keywords
Waste furniture; Gasification; Rice husk derived bio-char; Hydrogen; Pyrolysis
Funding
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/345]
- NRF [2021R1A2C3011274]
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This study explores the production of biohydrogen from waste furniture through catalytic steam gasification with bio-char catalysts. It found that raw bio-char showed the highest H-2 selectivity in the gasification experiment, indicating its potential as a solution for eco-friendly hydrogen production.
Present study provides biohydrogen production methods from waste furniture via catalytic steam gasification with bio-char catalysts (raw char, KOH-activated char and steam-activated char). Total gas yield for the prepared chars was in the order of KOH-activated char > steam-activated char > raw char, whereas, H-2 selectivity was in the sequence of raw char > steam-activated char > KOH-activated char. Though KOH-activated char showed the highest gas yield, highest H-2 selectivity was obtained at the gasification experiment with raw char due to the large amount of Ca and K and its reasonable surface area (146.89 m(2)/g). Although the activation of raw biochar results in the increase of gas yield, it has the negative effect on H-2 generation due to the removal of alkali and alkaline earth metals for the KOH activated char and steam-activated char. This study shows that raw bio-char could be a potential solution for eco-friendly hydrogen production.
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