Improved production of biogas via microbial digestion of pressmud using CuO/Cu 2O based nanocatalyst prepared from pressmud and sugarcane bagasse waste

Neha Srivastava, Kumar Rohit Srivastava, Farkad Bantun, Akbar Mohammad, Rajeev Singh, Dan Bahadur Pal, P K Mishra, Shafiul Haque, Vijai Kumar Gupta*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Biogas production through anaerobic digestions of organic wastes using microbes is a potential alternative to maintain the long term sustainability of the environment and also to full-fill the energy demands and waste management issues. In this context, pressmud can be a vital substrate which is generated from sugarcane industries and found to be broadly available. In this work, biogas improvement has been investigated in presence of CuO/Cu 2O based nanocatalyst wherein pressmud is employed as a substrate in anaerobic digestion. Herein, CuO/Cu 2O based nanocatalyst has been prepared using the aqueous extract prepared from the combination of PM and SCB which is employed as a reducing agent. The physicochemical properties of CuO/Cu 2O nanocatalyst have been probed through different techniques and it is noticed that using 1.0 % CuO/Cu 2O based nanocatalyst employed in AD process, cumulative biogas 224.7 mL CH 4 /g VS could be recorded after 42 days.

Original languageEnglish
Article number127814
JournalBioresource Technology
Volume362
Early online date27 Aug 2022
DOIs
Publication statusPrint publication - Oct 2022

Keywords

  • Biogas
  • Food wastes
  • Press mud
  • Anaerobic digestion
  • Nanocatalyst

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