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Anaerobic Digestion: Advance Techniques for Enhanced Biomethane/Biogas Production as a Source of Renewable Energy

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Abstract

This is a prime time to develop and implement the “waste to energy” projects across the globe to attain a sustainable environment. Anaerobic digestion (AD) has attracted the scientific community due to its simplicity and easiness to handle, and has the potential to utilize any kind of organic waste to produce a mixture of combustible gases, i.e., biogas and digested slurry, which has further applications in agriculture, solid biofuels, and purification. The process, in turn, reduces the local waste and helps in recycling in a manner that reduces greenhouse gas (GHG) emission, conserves the resources, and establishes a circular economy in the time of undetermined future for the production of energy and safe disposal of the waste. However, the conventional processes encounter with the low biogas yield and long retention time, which discourage the developers. To enhance biogas yield and quality, the momentum of research has increased towards implementation of advanced techniques for development of efficient processes. The present article summarizes the effect of different operational parameters on AD and impact of advanced techniques for enhanced biomethane/biogas. The article further covers the life cycle assessment (LCA) and techno-economic aspect (TCA) of the AD process. This will provide the comparison of different advanced techniques in terms of biomethane/biogas yield.

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Acknowledgements

The authors are greatly thankful to Ms. Neha Saini, Research Scholar in the Department of Environmental Science and Engineering, GJUS&T, Hisar, Haryana, India, for her support to improve the manuscript. The authors are grateful to the Biochemical Conversion Division, Sardar Swaran Singh National Institute of Bio-Energy, Kapurthala, India, for the resources provided to complete the manuscript.

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Authors and Affiliations

  1. Department of Environmental Science & Engineering, Guru Jambheshwar University of Science & Technology, Hisar, Haryana, India

    Paramjeet Dhull, Rajesh Kumar Lohchab & Mikhlesh Kumari

  2. Biochemical Conversion Division, Sardar Swaran Singh National Institute of Bio-Energy, Kapurthala, Punjab-144601, India

    Sachin Kumar

  3. Water Technology Centre, ICAR- Indian Agricultural Research Institute, New Delhi, 110012, India

    Shaloo

  4. Department of Bio and Nanotechnology, Guru Jambheshwar University of Science & Technology, Hisar, Haryana, India

    Anil Kumar Bhankhar

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Contributions

Paramjeet Dhull—conceptualization, data collection, writing- original draft preparation, reviewing and editing; Rajesh Kumar Lohchab—supervision, reviewing and editing; Sachin Kumar—reviewing and editing; Mikhlesh Kumari—data collection, reviewing, and editing; Shaloo—reviewing and editing; Anil Kumar—supervision, reviewing, and editing.

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Correspondence to Rajesh Kumar Lohchab.

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Highlights

• The efficiency of the AD process for biogas production has been focused.

• The operating parameters, reactor types are very influential for biogas enhancement.

• Pre-treatment methods for the enhancement of AD are highlighted.

• DIET plays an important role to enhance biogas yield.

• LCA and TEA are critical tools for industrial scale set-up.

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Dhull, P., Lohchab, R.K., Kumar, S. et al. Anaerobic Digestion: Advance Techniques for Enhanced Biomethane/Biogas Production as a Source of Renewable Energy. Bioenerg. Res. 17, 1228–1249 (2024). https://doi.org/10.1007/s12155-023-10621-7

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