Utilization of Algal Consortium to Produce Biofuels and Byproducts For Reducing Pollution load

Authors

  • A. Srivastava Department of Chemistry, JSS Academy of Technical Education, NOIDA, U.P, India
  • A. Upadhyay Indira Gandhi National Open University, Regional Centre Head Office, Jammu (Tawi) India
  • D. Ghildyal Department of Physics, JSS Academy of Technical Education, NOIDA, U.P, India
  • N. Srivastava Department of Environmental Science, Bhagwant University, Ajmer, India
  • P. Singh Department of Chemistry, JSS Academy of Technical Education, NOIDA, U.P, India
  • V. Sharma Department of Chemistry, ABES Engineering College, Ghaziabad, U.P, India
Abstract:

Algal biorefinery process utilizes every component of algal biomass to produce multiple useful fuel products. In this technique, acid pretreatment of algal biomass hydrolyzes microalgal carbohydrates into fermentable sugars, makes lipids more extractable and a protein part accessible for additional products. In the present study, Chlorella sorkiniana produced higher quantity of biodiesel than Botryococcus braunii and biomass in Botryococcus braunii was higher than the Chlorella sorkiniana. Botryococcus braunii produces 11% more lipid content than Chlorella sorkiniana which was consistent with biomass content. The total sugar (oligomeric and monomeric) yield attained by Combined Algal Processing (CAP) was 89.9%. 29 g/L ethanol was produced during the fermentation in the Pretreated Algal Slurry. The recovery of lipids from CAP was reported as 84–89% after fermentation and ethanol removal. CAP preserves the PUFA (Poly-Unsaturated Fatty Acids) and utilizes these high-value PUFAs to further reduce the cost of biofuel production and replace petroleum products.

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Journal title

volume 6  issue 2

pages  353- 366

publication date 2020-04-01

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