Nickel ferrite nanoparticles induced improved fungal cellulase production using residual algal biomass and subsequent hydrogen production following dark fermentation

Neha Srivastava, Arif Hussain, Deepika Kushwaha, Shafiul Haque, P. K. Mishra, Vijai Kumar Gupta*, Manish Srivastava*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)
11 Downloads (Pure)

Abstract

The present study reports nickel ferrite nanoparticles (NiFe2O4 NPs) induced enhanced production of crude cellulase enzyme using residual algal biomass of cyanobacteria Lyngbya limnetica as substrate. It is noticed that the residual algal substrate and NiFe2O4 NPs mediated crude cellulase exhibits nearly 2.5 fold enhanced filter paper activity after 72 h along with better efficiency in terms of pH and thermal stability as compared to the control system. Further, NiFe2O4 NPs mediated crude cellulase enzyme was employed for the enzymatic hydrolysis of rice straw to produce sugar hydrolyzate. Subsequently, using bacterial strains Bacillus subtilisPF_1 the cumulative hydrogen ~ 1820 mL/L has been produced under the dark fermentation.

Original languageEnglish
Article number121391
JournalFuel
Volume304
Early online date13 Jul 2021
DOIs
Publication statusPrint publication - 15 Nov 2021

Keywords

  • Cellulosic biomass
  • Cyanobacteria
  • Fungal cellulase
  • Nanomaterials
  • pH stability
  • Thermal stability

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