Biogas in the Circular Economy

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Biogas in the Circular Economy: Technology, Production and Applications explains biogas technology in the context of a circular economy, allowing for zero waste by valorizing digestate (residue) in a sustainable way. The book begins by discussing anaerobic digestion for biomethane production, including feedstocks, pre-treatments, innovative technologies and the use of artificial intelligence in anaerobic digestion. Subsequent chapters present the latest technologies in biogas separation, purification, and in-situ upgrading, and valorization of digestates in a circular economy context, namely as biofertilizers and energy recovery by thermochemical conversions. Carbon neutrality and challenges in biogas are discussed, with the support of case studies. Three chapters then provides in-depth coverage of biomethane and biohydrogen in the context of transport, power production, and the water-energy-food nexus. Finally, the last chapter is devoted to the life cycle assessment and cost-benefit analysis of biogas and biohydrogen production. This new volume in the Woodhead Series in Bioenergy enables the reader to understand how biogas technology can be utilized to reach circular economy objectives, and will be valuable to all those with an interest in biogas technology, bioenergy, and bioeconomy, including researchers, advanced students, faculty, engineers, scientists, R&D, industry practitioners, and policy makers.

Contenu

1. Suitable feedstocks, advanced combining pre-treatment for optimized biomethane and biohydrogen production
   
   2. Innovative biogas digester technology
   3. Artificial neural networks and genetic algorithms for modeling and optimizing biogas production
   4. Applications and future of in-situ biogas purification and upgrading technologies
   5. Carbon neutrality and challenges in biogas economy: Bioeconomy case studies
   6. Valorization of digestate as a biofertilizer and its energy recovery using thermochemical conversion
   7. Biomethane and as an innovative solution for decarbonized transport
   8. Biomethane in the water-energy-food nexus context
   9. Biohydrogen production for power and transport
   10. Life cycle assessment and cost-benefit analysis of biogas and biohydrogen production