Bulletin of Chemical Reaction Engineering & Catalysis
2021: BCREC Volume 16 Issue 2 Year 2021 (June 2021)

Nanoparticles Synergistic Effect with Various Substrate Pretreatment and their Comparison on Biogas Production from Algae Waste

Asad A. Zaidi ((1) Department of Engineering Sciences, PN Engineering College, National University of Sciences and Technology, Karachi, Pakistan (2) College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001)
Sohaib Zia Khan (Department of Mechanical Engineering, Faculty of Engineering, Islamic University of Madinah, Madinah)
Hamad Almohamadi (Department of Chemical Engineering, Faculty of Engineering, Islamic University of Madinah, Madinah)
Essam R. I. Mahmoud (Department of Mechanical Engineering, Faculty of Engineering, Islamic University of Madinah, Madinah)
Muhammad N. Naseer (Department of Engineering Sciences, PN Engineering College, National University of Sciences and Technology, Karachi)



Article Info

Publish Date
30 Jun 2021

Abstract

Algae waste is one of the potential substrates for biogas and biohydrogen production and can comprehend multiple benefits of waste treatment and resource utilization. In view of the key bottlenecks such as low substrate degradation rate and poor productivity of algae waste production process, this study analyzes the combined effect of two metallic and metallic oxide nanoparticles with different substrate pretreatment methods (autoclave, ultrasonic, and microwave methods) to investigate the effect of anaerobic digestion of green algae (Enteromorpha). The results showed that out of the three pretreatment methods, microwave pretreatment and nanoparticles' synergistic effect significantly increases biogas production. The microbial community composition at the phylum level was analyzed. It was observed that the Firmicutes were most abundant across all samples. The relative abundance of Firmicutes for control, Ni NPs + MW, Co NPs + MW, and Fe3O4 NPs + MW groups were 51.78, 70.37, 75.77, and 83.93%,      respectively. The second most abundant was of Bacteroidetes that also contributes to hydrogen production. This relatively high abundance of Firmicutes and Bacteroidetes promises its potential applications in a hydrogen production facility. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 

Copyrights © 2021






Journal Info

Abbrev

bcrec

Publisher

Subject

Chemical Engineering, Chemistry & Bioengineering Chemistry

Description

Bulletin of Chemical Reaction Engineering & Catalysis (e-ISSN: 1978-2993), an international journal, provides a forum for publishing the novel technologies related to the catalyst, catalysis, chemical reactor, kinetics studies, and chemical reaction ...