Mini-review: Nanoparticles for enhanced biogas upgrading

Author:

Passalacqua Elena1ORCID,Collina Elena1,Fullana Andres2,Mezzanotte Valeria1

Affiliation:

1. Department of Earth and Environmental Sciences (DISAT), Università degli Studi di Milano – Bicocca, Milano, Italy

2. Department of Chemical Engineering, Universidad de Alicante, San Vicente del Raspeig, Alicante, Spain

Abstract

This mini-review is intended to explore the innovative applications of nanoparticles (NPs) in biogas upgrading, emphasizing their capacity to enhance biogas quality. Numerous studies underscore how NPs, when applied during anaerobic digestion, can boost not only the quantity but also the quality of the produced biogas, leading to reduce significantly the concentration of hydrogen sulphide or even to remove it completely. Moreover, NPs are proving to be excellent alternatives as adsorbent materials, achieving up to 400 mgH2S g−1 NPs. In addition, new studies are exploring the application of NPs to increase the efficiency of biological treatments thanks to their unique features. This review also emphasizes the potential benefits and addresses the challenges that need to be overcome for these technologies to reach their full potential, ultimately contributing to the development of a sustainable and environmentally friendly energy landscape.

Publisher

SAGE Publications

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