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Algal Biomass: Potential Renewable Feedstock for Biofuels Production – Part I

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Biofuel Production Technologies: Critical Analysis for Sustainability

Part of the book series: Clean Energy Production Technologies ((CEPT))

Abstract

The present age has seen technological development at a large scale and has imposed tremendous pressure on the natural resources. The usage of fossil fuel has resulted in the release of greenhouse gases, thereby promoting global warming and increased environmental concern among the researchers. Therefore, the quest to find “clean energy” has become the chief concern of the environmentalist. In order to address the issue, third-generation biofuel involving microalgae has been regarded as one of the most effective biological sources as it only requires sunlight, carbon dioxide, and nutrition for its growth. The biofuel derived from the living organism has numerous advantages as it effectively decreases the concentration of emitted greenhouse gases. The microalgae have numerous applications and can be effectively used in biofuels, cosmetics, and pharmaceuticals and as human and animal nutritional sources. Thus, the present chapter would focus on microalgae production processes, advantages and disadvantages of natural and artificial cultivation system, various harvesting techniques followed by its application in various sectors, and lastly the limitations and its future prospects.

Authors “Komal Agrawal” and “Ankita Bhatt” contributed equally to this work.

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Abbreviations

AD:

Anaerobic digestion

ALPBRs:

Airlift photobioreactors

BCPBRs:

Bubble column photobioreactors

CPBRS:

Closed photobioreactor system

CPBRs:

Closed photobioreactors

FAME:

Fatty acid methyl ester

FPBRs:

Flat plate photobioreactors

FstGB:

First-generation biofuel

GHGE:

Greenhouse gas emission

HTC:

Hydrothermal carbonization

HTL:

Hydrothermal liquefaction

HTPBRs:

Helical type photobioreactors

HTSCS:

Hybrid two-stage cultivation system

ICS:

Indoor cultivation system

MAOSE:

Microwave-assisted organic solvent extraction

OPCS:

Open pond cultivation system

OS:

Outdoor system

PBPBRs:

Plastic bag photobioreactors

PBR:

Photobioreactor

PRPBRs:

Penthouse-roof photobioreactors

PTC:

Phototrophic cultures

PUFAs:

Polyunsaturated fatty acids

SCFE:

Supercritical fluid extraction

SndGB:

Second-generation biofuel

STPBRs:

Stirred tank photobioreactors

TPBRs:

Tubular photobioreactors

TrdGB:

Third-generation biofuel

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Acknowledgments

PV is thankful to DBT (Grant No. BT/304/NE/TBP/2012; Grant No. BT/PR7333/PBD/26/373/2012), and KA and AB are thankful to Central University of Rajasthan, Ajmer, India, for providing the financial support.

Competing Interests

All the authors declare that they have no competing interests.

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Correspondence to Pradeep Verma .

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Agrawal, K., Bhatt, A., Bhardwaj, N., Kumar, B., Verma, P. (2020). Algal Biomass: Potential Renewable Feedstock for Biofuels Production – Part I. In: Srivastava, N., Srivastava, M., Mishra, P., Gupta, V. (eds) Biofuel Production Technologies: Critical Analysis for Sustainability . Clean Energy Production Technologies. Springer, Singapore. https://doi.org/10.1007/978-981-13-8637-4_8

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