Silver nanoparticles incorporated with superior silica nanoparticles-based rice straw to maximize biogas production from anaerobic digestion of landfill leachate - Publication - Bridge of Knowledge

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Silver nanoparticles incorporated with superior silica nanoparticles-based rice straw to maximize biogas production from anaerobic digestion of landfill leachate

Abstract

Treating hazardous landfill leachate poses significant environmental challenges due to its complex nature. In this study, we propose a novel approach for enhancing the anaerobic digestion of landfill leachate using silver nanoparticles (Ag NPs) conjugated with eco-friendly green silica nanoparticles (Si NPs). The synthesized Si NPs and Ag@Si NPs were characterized using various analytical techniques, including transmission electron micro- scopy, X-ray diffraction, and Fourier-transform infrared spectroscopy. The anaerobic digestion performance of Si NPs and Ag@Si NPs was tested by treating landfill leachate samples with 50 mg/L of each NP. The results demonstrated an enhancement in the biogas production rate compared to the control phase without the nano- composite, as the biogas production increased by 14% and 37% using Si NPs and Ag@Si NPs. Ag@Si NPs effectively promoted the degradation of organic pollutants in the leachate, regarding chemical oxygen demand (COD) and volatile solids (VS) by 58% and 65%. Furthermore, microbial analysis revealed that Ag@Si NPs enhanced the activity of microbial species responsible for the methanogenic process. Overall, incorporating AgNPs conjugated with eco-friendly green Si NPs represents a sustainable and efficient approach for enhancing the anaerobic digestion of landfill leachate.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
JOURNAL OF ENVIRONMENTAL MANAGEMENT no. 365,
ISSN: 0301-4797
Language:
English
Publication year:
2024
Bibliographic description:
Al-shemy M. T., Gamoń F., Al-sayed A., Hellal M. S., Ziembińska-Buczyńska A., Hassan G. K.: Silver nanoparticles incorporated with superior silica nanoparticles-based rice straw to maximize biogas production from anaerobic digestion of landfill leachate// JOURNAL OF ENVIRONMENTAL MANAGEMENT -,iss. 365 (2024), s.121715-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.jenvman.2024.121715
Sources of funding:
  • COST_FREE
Verified by:
Gdańsk University of Technology

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