Biogas in the Circular Economy : Technology, Production and Applications.

Format:

Book

Author/Creator:

El Bari, Hassan.

Contributor:

Barakat, Abdellatif.

Series:

Woodhead Series in Bioenergy Series

Language:

English

Physical Description:

1 online resource (391 pages)

Edition:

1st ed.

Place of Publication:

Chantilly : Elsevier Science & Technology, 2025.

Summary:

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.

Contents:

Front Cover

Biogas in the Circular Economy

Copyright Page

Contents

List of contributors

About the editors

Foreword

Preface

1 Suitable feedstocks and advanced combining pretreatment for optimized biomethane and biohydrogen production

1.1 Introduction

1.2 Lignocellulose biomass and its potential as feedstocks for methane and hydrogen production

1.3 Selection criteria for pretreament methods

1.4 Factors influencing feedstock selection

1.4.1 Intrinsic factors

1.4.2 Extrinsic factors

1.5 Advanced combining pretreatment methods

1.6 Challenges and future perspectives

1.7 Conclusion

Acknowledgment

AI disclosure

References

2 Artificial neural networks and genetic algorithms for modeling and optimizing biogas production

List of abbreviations

2.1 Introduction

2.2 Machine learning and mathematical algorithms

2.2.1 Support vector machines

2.2.2 K-nearest neighbors

2.2.3 Decision trees

2.2.4 Regression modeling methods

2.2.5 Artificial neural network

2.3 Relevance and efficiency factors

2.3.1 Cross-validation

2.3.2 Precision and recall

2.3.3 F-score

2.4 Anaerobic digestion modeling for biogas production

2.4.1 Anaerobic digestion model 1

2.4.2 Response surface methodology

2.4.3 Artificial neural network

2.4.3.1 Optimization of artificial neural network

2.4.3.2 Artificial neural network model

2.4.3.3 Artificial neural network design and training-Model evaluation

2.5 Artificial neural networks for biogas prediction

2.5.1 Multilayer full feedforward network

2.6 Neural network error calculations

2.6.1 Incremental back propagation

2.7 Artificial neural networks for biogas optimization

2.7.1 Genetic algorithms

2.7.2 Particle swarm optimization

2.8 Conclusion

3 Innovative biogas digester technology.

3.1 Introduction

3.2 Biogas digester technologies

3.2.1 AI-powered monitoring systems

3.3 Integration with other renewable energy sources (hybrid systems)

3.3.1 Integration of solar energy and biogas systems

3.3.2 Integration of wind energy and biogas systems

3.3.3 Integration of hydroelectric power and biogas systems

3.4 Biomass and optimization

3.4.1 Utilization of waste streams for biogas production

3.4.2 Optimization aspects

3.4.3 Advanced microbial optimization techniques

3.5 Recent developments, scalability, and economic viability

3.5.1 Overview of recent technological advancements

3.5.2 Feasibility studies for large-scale biogas digester projects

3.5.3 Economic analysis and cost-benefit assessment

3.6 Technological advantages and limitations

3.6.1 Evaluation of artificial intelligence monitoring system

3.6.2 Comparative analysis of hybrid systems

3.6.3 Microbial optimization strategies

3.7 Conclusion

Further reading

4 Applications and future trends of in situ technologies for biogas purification and upgrading

Abbreviation

4.1 Introduction

4.2 Technologies for biogas upgrading

4.2.1 Absorption technologies

4.2.1.1 Water scrubbing

4.2.1.2 High-pressure anaerobic digestion

4.2.1.3 Chemical absorption

4.2.1.4 Organic solvent scrubbing

4.2.2 Adsorption technologies

4.2.2.1 Adsorbent materials

4.2.2.2 Pressure swing adsorption (PSA)

4.2.2.3 Temperature swing adsorption (TSA)

4.2.2.4 Electrical swing adsorption (ESA)

4.3 Membrane separation technology

4.4 Cryogenic upgrading

4.5 Heterogeneous catalysis

4.6 Biological upgrading

4.6.1 Photosynthetic organisms

4.6.2 Fermentative CO2 reduction

4.6.3 Biological methanation

4.6.3.1 Direct hydrogen injection in the anaerobic digestor.

4.6.3.2 Bioelectrochemical technologies

4.6.3.3 Additives (biochars, activated carbon, and zero-valent iron)

4.7 Centralized biogas upgrading systems

4.8 Conclusions

5 Carbon neutrality and challenges in biogas economy: bioeconomy case studies

5.1 Introduction

5.2 Carbon neutrality in the biogas sector

5.3 Challenges in achieving carbon neutrality

5.3.1 Technical challenges in biogas production

5.3.2 Economic and policy challenges

5.4 Bioeconomy case studies

5.4.1 Overview of the successful implementation of biogas in a circular economy

5.4.2 From biogas to valuable products in circular economy frameworks: the power of biogas upgrading plus CO2 utilization

5.5 Innovations and solutions

5.6 Future outlook

5.7 Conclusion

Acknowledgments

6 Valorization of digestate as a biofertilizer and its energy recovery using thermochemical conversion

Abbreviation List

6.1 Introduction

6.1.1 Main characteristics of anaerobic digestates

6.1.2 The EU/USA legal framework for anaerobic digestates

6.2 Main technologies for the valorization of digestate as biofertilizer

6.2.1 Ammonia stripping

6.2.2 Struvite precipitation

6.2.3 Ion exchange and adsorption

6.2.4 Evaporation

6.2.5 Freeze concentration

6.2.6 Membrane separation technologies

6.2.7 Composting

6.2.8 Microalgae

6.3 Thermochemical conversion processes

6.3.1 Pyrolysis

6.3.2 Hydrothermal carbonization

6.3.3 Gasification

6.3.4 Torrefaction

6.3.5 Combined processes

6.3.6 Benefits of biochar and hydrochar in anaerobic digestion processes

6.4 Future research

7 Biomethane production and utilization in the energy and transportation sector

7.1 Biogas technologies and utilization pathways-A general overview.

7.2 Status quo of biogas and biomethane utilization in Europe and worldwide

7.3 Production of biomethane as flexibility option for the biogas industry

7.4 Analysis of the role of biomethane production for a climate-friendly energy industry

7.5 Potential for substitution of natural gas by biomethane

7.6 Required biomethane product quality and utilization requirements

7.6.1 EN 16726

7.6.2 EN 16223-1 and EN 16223-2

7.7 Concepts for biomethane production and utilization

7.8 Technologies for conventional biogas upgrade to biomethane

7.8.1 Pressure swing adsorption-adsorption of CO2

7.8.2 Physical absorption

7.8.3 Chemical absorption

7.8.4 Membrane separation

7.8.5 Cryogenic separation

7.9 Direct methanation of raw biogas to biomethane

7.10 Biomethane as a short- and long-term contribution to transport, distribution, and storage

7.10.1 Road vehicles powered by fuel cells

7.10.2 Road vehicles directly powered by biomethane

7.10.3 Decarbonization potential in the transport sector

7.11 Conclusion

8 Biomethane in the water-energy-food nexus context

8.1 Introduction

8.2 Presentation of the water-energy-food nexus

8.2.1 Nexus: Concept and meaning

8.2.2 Global context of water, energy, and food challenges

8.3 Anaerobic digestion and biomethane

8.4 Anaerobic digestion as a water solution

8.4.1 Minimizing the impact of leachate on water resources

8.4.2 Valorization of wastewater treatment residues

8.5 Anaerobic digestion as an energy solution

8.5.1 Biomethane as a renewable energy source

8.5.2 Biomethane as energy security

8.5.3 Overview of strategic plans focused on biomethane

8.6 Anaerobic digestion as a food solution

8.6.1 Why use anaerobic digestion process in food production?

8.6.2 What is anaerobic digestate?.

8.6.3 Anaerobic digestate as a stimulator of food production

8.7 Conclusion

9 Biohydrogen production for power and transport

9.1 Introduction

9.2 Biohydrogen production technologies

9.2.1 Biologic processes

9.2.1.1 Biophotolysis

9.2.1.2 Anaerobic digestion for biohydrogen

9.2.1.3 Photo-fermentation process

9.2.1.4 Dark fermentation

9.2.2 Bioelectrochemical systems

9.2.3 Thermochemical processes

9.2.3.1 Gasification

9.2.3.2 Pyrolysis

9.2.3.3 Hydrothermal liquefaction

9.3 Biohydrogen storage and transportation technologies

9.3.1 Biohydrogen storage technologies

9.3.1.1 High-pressure gaseous storage of biohydrogen

9.3.1.2 Cryogenic liquid storage of biohydrogen

9.3.1.3 Cryo-compress storage of biohydrogen

9.3.1.4 Solid-state storage of biohydrogen

9.3.2 Biohydrogen transportation technologies

9.4 Biohydrogen applications

9.4.1 Fuels cells for electricity production and transport fields

9.4.2 Industry fields

9.4.2.1 Chemical industries

9.5 Challenges of production of biohydrogen from biomass

9.5.1 Technical and operational challenges

9.5.2 Economic challenges

9.5.3 Storage challenges

9.5.4 Environmental challenges

9.6 Conclusion and perspectives

10 Life cycle assessment and cost-benefit analysis of biogas and biohydrogen production

10.1 Introduction

10.2 Life cycle assessment for biogas production

10.2.1 Goal and scope definition for biogas production

10.2.2 Life cycle inventory for biogas production

10.2.3 Life cycle impact assessment for biogas production

10.2.3.1 General concept for life cycle analysis in biogas studies

10.3 Life cycle assessment for biohydrogen production

10.3.1 Goal and scope definition for biohydrogen production

10.3.2 Life cycle inventory for biohydrogen production.

10.3.3 Life cycle impact assessment for biohydrogen production.

Notes:

Description based on publisher supplied metadata and other sources.

ISBN:

0-443-29231-0

0-443-29230-2

OCLC:

1535401636