Publication detail
Fermentation-based nanoparticle systems for sustainable conversion of black-liquor into biohydrogen
Tawfik, A. Nasr, M. Galal, A. El-Qelish, M. Yu, Z. Hassan, M.A. Salah, H.A. Hasanin, M.S. Meng, F. Bokhari, A. Qyyum, M.A. Lee, M.
English title
Fermentation-based nanoparticle systems for sustainable conversion of black-liquor into biohydrogen
Type
journal article in Web of Science
Language
en
Original abstract
Paper-manufacturing industries utilize rice straw (RS) as raw material, generating huge quantity of black liquor (BL), which should be treated before reaching the environment. BL is mainly rich in organic pollutants that can be utilized to obtain valuable by-products and meet sustainable development goals (SDGs). In this investigation, BL from a paper-making industry was efficiently employed as a substrate for bio-H2 generation via dark fermentation at pH value of 7.5 and temperature of 35 °C for 14 days, resulting in a hydrogen yield (HY) of 0.579 mol/molglucose. The HY was substantially increased up to 1.654, 1.908, and 2.187 mol/molglucose with immobilization of anaerobes on Graphene (GN), hydroxyapatite (HN), and Graphene/hydroxyapatite nanoparticles (GHN). Further, the activities of protein- and carbohydrate-degrading enzymes i.e. protease, α-amylase, xylanase, and CM-cellulase was highly improved. Results were validated with respect to the operational taxonomical unit (OUT) richness estimators (ACE and Chao), diversity indices (Shannon and Simpson), and electron-equivalent and mass balances. The H2 productivity data were techno-economically assessed for proposing a bioenergy-based project, revealing a payback period of 5.92 y to recoup the initial investment. The findings of this study would promote interaction in the areas of industrialization, pollution prevention, and clean energy production to attain SDGs keys. © 2021 Elsevier Ltd
English abstract
Paper-manufacturing industries utilize rice straw (RS) as raw material, generating huge quantity of black liquor (BL), which should be treated before reaching the environment. BL is mainly rich in organic pollutants that can be utilized to obtain valuable by-products and meet sustainable development goals (SDGs). In this investigation, BL from a paper-making industry was efficiently employed as a substrate for bio-H2 generation via dark fermentation at pH value of 7.5 and temperature of 35 °C for 14 days, resulting in a hydrogen yield (HY) of 0.579 mol/molglucose. The HY was substantially increased up to 1.654, 1.908, and 2.187 mol/molglucose with immobilization of anaerobes on Graphene (GN), hydroxyapatite (HN), and Graphene/hydroxyapatite nanoparticles (GHN). Further, the activities of protein- and carbohydrate-degrading enzymes i.e. protease, α-amylase, xylanase, and CM-cellulase was highly improved. Results were validated with respect to the operational taxonomical unit (OUT) richness estimators (ACE and Chao), diversity indices (Shannon and Simpson), and electron-equivalent and mass balances. The H2 productivity data were techno-economically assessed for proposing a bioenergy-based project, revealing a payback period of 5.92 y to recoup the initial investment. The findings of this study would promote interaction in the areas of industrialization, pollution prevention, and clean energy production to attain SDGs keys. © 2021 Elsevier Ltd
Keywords in English
Environmental sustainability; Green hydrogen energy; Mass balance; Microbial interaction network; Nanoparticles fermentation
Released
01.08.2021
Publisher
Elsevier Ltd.
Location
ELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
ISSN
0959-6526
Number
309
Pages from–to
127349–127349
Pages count
13
BIBTEX
@article{BUT171813,
author="Syed Awais Ali Shah {Bokhari},
title="Fermentation-based nanoparticle systems for sustainable conversion of black-liquor into biohydrogen",
year="2021",
number="309",
month="August",
pages="127349--127349",
publisher="Elsevier Ltd.",
address="ELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND",
issn="0959-6526"
}