TY - JOUR
T1 - Nickel ferrite nanoparticles catalyzed dark fermentation of dairy wastewater for biohydrogen production
AU - Fahoul, Nazanin
AU - Sayadi, Mohammad Hossein
AU - Reza Rezaei, Mohammad
AU - Homaeigohar, Shahin
N1 - Funding Information:
This paper is based on the results of a postgraduate student thesis (ID Number: 8542/1400) undertaken at the department of environmental engineering, Faculty of Natural Resources and Environment, University of Birjand. N.F., M.H.S., and M.R.R. gratefully acknowledge the kind cooperation of the personnel of the laboratories, Faculty of Natural Resources and Environment, University of Birjand, over the course of the research.
Publisher Copyright:
© 2022 Published by Elsevier Ltd.
PY - 2022/9
Y1 - 2022/9
N2 - Biohydrogen production from wastewater is a new, low cost, sustainable energy development. In this study, dark fermentation, as a type of biological production of biohydrogen, was carried out using NiFe
2O
4 nanoparticle catalysts. Implementing the Central Composite Design model, the operational parameters including temperature, pH, and nanoparticle dosage were optimized. According to the spectroscopic and microscopic analyses, NiFe
2O
4 nanoparticles were successfully synthesized. The highest biohydrogen amount, i.e., ~241.3 mL, was obtained at 36 °C, 300 mg/L catalyst dosage, pH 6.5, and within the time range of 12 to 24 h. The biochemical oxygen demand (BOD) and chemical oxygen demand (COD) were measured to be 153 and 87 mg/L, respectively, which were 97.5 and 83.6 % lower than their initial values. The NiFe
2O
4 nanoparticles could properly act as a catalyst for the dark fermentation process and promote the expression of the hydrogenase enzyme in bacterial cells, thereby producing a higher amount of biohydrogen.
AB - Biohydrogen production from wastewater is a new, low cost, sustainable energy development. In this study, dark fermentation, as a type of biological production of biohydrogen, was carried out using NiFe
2O
4 nanoparticle catalysts. Implementing the Central Composite Design model, the operational parameters including temperature, pH, and nanoparticle dosage were optimized. According to the spectroscopic and microscopic analyses, NiFe
2O
4 nanoparticles were successfully synthesized. The highest biohydrogen amount, i.e., ~241.3 mL, was obtained at 36 °C, 300 mg/L catalyst dosage, pH 6.5, and within the time range of 12 to 24 h. The biochemical oxygen demand (BOD) and chemical oxygen demand (COD) were measured to be 153 and 87 mg/L, respectively, which were 97.5 and 83.6 % lower than their initial values. The NiFe
2O
4 nanoparticles could properly act as a catalyst for the dark fermentation process and promote the expression of the hydrogenase enzyme in bacterial cells, thereby producing a higher amount of biohydrogen.
KW - H generation
KW - Hydrogenase
KW - Nanocatalysts
KW - Nanomaterials
UR - http://www.scopus.com/inward/record.url?scp=85134323471&partnerID=8YFLogxK
U2 - 10.1016/j.biteb.2022.101153
DO - 10.1016/j.biteb.2022.101153
M3 - Article
SN - 2589-014X
VL - 19
JO - Bioresource Technology Reports
JF - Bioresource Technology Reports
M1 - 101153
ER -
