Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 755, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.142636
Keywords
Algae; Wastewater; CO2 sequestration; Green fuel; Bio-oil; Hydrogen
Categories
Funding
- Graduate School and Faculty of Science, Chulalongkorn University (CU) from CU Ratchadaphiseksomphot Endowment Fund
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Algae are a promising energy reserve for biofuel production due to their ability to sequester carbon dioxide efficiently. Hydrothermal liquefaction is the preferred mode for algae biomass conversion into biofuels, resulting in lower greenhouse gas emissions and higher energy value. This review highlights the potential of algae-based bioenergy for green energy and environmental impact evaluation.
Algae a promising energy reserve due to its adaptability, cheap source, sustainability and it's growth ability in wastewater with efficient sequestration of industrial carbon dioxide. This review summarizes the pathways available for biofuel production from carbon sequestered algae biomass. In this regard, this review focuses on microalgae and its cultivation in wastewater with CO2 sequestration. Conversion of carbon sequestered biomass into bio-fuels via thermo-chemical routes and its engine emission properties. Energy perspective of green gaseous biofuels in near future. This review revealed that algae was the pre-dominant CO2 sequester than terrestrial plants in an eco-friendly and economical way with simultaneous wastewater remediation. Hydrothermal liquefaction of algae biomass was the most preferred mode for biofuel generation than pyrolysis due to high moisture content. The algae based fuels exhibit less greenhouse gases emission and higher energy value. This review helps the researchers, environmentalists and industrialists to evaluate the impact of algae based bio-energy towards green energy and environment. (C) 2020 Elsevier B.V. All rights reserved.
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