Accelerating the transition to a hydrogen economy : achieving carbon neutrality. Volume 2 /

Accelerating the Transition to a Hydrogen Economy provides a roadmap in the global economy, from carbon to hydrogen. Within the context of the Industrial Revolution 4.0, the book brings together global expertise from academia and industry to accelerate the science, innovation, and practice of the hy...

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Bibliographic Details
Corporate Author:	ScienceDirect (Online service)
Other Authors:	Kurniawan, Tonni Agustiono (Editor), Vara Prasad, Majeti Narasimha (Editor)
Format:	eBook
Language:	English
Published:	Amsterdam : Elsevier, 2025.
Subjects:	Hydrogen as fuel. Hydrogène (Combustible) Electronic books.
Online Access:	Connect to the full text of this electronic book

Table of Contents:

Intro
Accelerating the Transition to a Hydrogen Economy
Copyright
Contents
Contributors
Section I: A Journey of transition toward net zero emission
Chapter 1: Pulling hydrogen from wastewater using sunlight
1. Introduction
2. The context of global clean energy demand
3. Photocatalytic water splitting: A path to sustainable hydrogen production
4. Key considerations in solar-driven hydrogen production
5. Addressing wastewater treatment challenges
6. Environmental sustainability through simultaneous wastewater treatment
7. Current technologies and material selection
8. Cost-effective and eco-friendly implementation
9. Conclusion: Paving the way for a sustainable future
References
Chapter 2: Innovative technologies of hydrogen generation from unused resources: Wastewater to clean hydrogen using chemistry
1. Introduction
2. Emerging technologies for hydrogen production from wastewater
2.1. Light-dependent technologies
2.1.1. Photocatalysis
2.1.2. Photofermentation
2.1.3. Photoelectrochemical cell
2.1.4. Microbial photoelectrochemical cell
2.2. Light-independent technologies
2.2.1. Dark fermentation
2.2.2. Microbial electrolysis cell
2.3. Others
2.3.1. Supercritical water gasification
2.3.2. Reverse electrodialysis
3. Summary
References
Chapter 3: Biohydrogen production from microalgal sources
1. Introduction
1.1. Importance of hydrogen as a clean and renewable energy source
1.2. Overview of microalgae and their characteristics
1.3. Objectives and scope of the book chapter
2. Microalgae as a feedstock for hydrogen production
2.1. Hydrogen production pathways in microalgae
2.2. Enzymes in biohydrogen production
2.3. Light-driven photosynthetic hydrogen production
2.3.1. Direct bio photolysis
2.3.2. Indirect bio photolysis.
2.4. Photo fermentation
2.5. Light-independent hydrogen production
2.5.1. Dark fermentative
3. Biohydrogen production utilizing algal biomass
3.1. Pretreatment of algal biomass for H2 production
3.2. The advanced techniques used for H2 production
3.2.1. Genetic engineering to improve H2 synthesis
3.2.2. Electro-bio-hydrogenation as a new approach for algal biohydrogen
4. Factors influencing hydrogen production from microalgae
4.1. pH
4.2. Light intensity
4.3. Nutrients
4.4. Temperature
4.5. Microalgal species
5. Challenges
6. Future prospect
References
Chapter 4: Thermochemical routes for biohydrogen generation
1. Introduction
2. Fundamentals of thermochemical processes
2.1. Roles of temperature, pressure, catalysts, reactants in facilitating chemical transformations
3. Thermochemical processes for biohydrogen production
3.1. Biomass gasification
Types of Gasifiers
Operating conditions and parameters
Challenges and optimization strategies
3.2. Biomass pyrolysis
3.2.1. Process overview and reactions
Types of pyrolysis
3.2.2. Integration with reforming/water-gas shift (WGS)
3.2.3. Challenges and mitigation strategies
3.3. Reforming technologies
3.3.1. Steam reforming
3.3.2. Aqueous phase reforming (APR)
3.3.3. Sorption-enhanced reforming for CO capture
3.3.4. Challenges and solutions
3.4. Hydrothermal gasification
3.4.1. Subcritical and supercritical water gasification
3.4.2. Parameters and biomass feedstocks
3.4.3. Enhancing hydrogen yields and economics
3.5. Innovative gasification technologies
3.5.1. Solar gasification
3.5.2. Plasma gasification
3.5.3. Alkali catalytic gasification
4. Enhancing biohydrogen production: Integrated approaches, feedstock optimization, and scale-up challenges.
4.1. Integrated biohydrogen production
4.2. Fermentative hydrogen production from wastewaters
4.3. Biohydrogen production prospects and limitations
4.4. Pretreatment and feedstock optimization
4.5. Pilot-scale biohydrogen production
5. Summary
6. Exploring the prospects of thermochemical biohydrogen: Pathways, potential, and priorities for future research
6.1. Promise and challenges
6.2. Role in energy transition
6.3. Future research and development needs
7. Conclusions
References
Section II: Decarbonization through hydrogen economy
Chapter 5: Hydrogen agenda in COP29-The way forward to decarbonization
1. Introduction
2. Hydrogen agenda in COP29-The way forward to decarbonization
2.1. Hydrogen Declaration, the ambitious global energy storage and grids pledge, and the breakthrough agenda's hydrogen a ...
2.2. Expanding renewable energy (RE) storage and grid capacity
3. COP29 Hydrogen Declaration
4. Set of principles guiding the COP29 Hydrogen Declaration
5. Implications for signatories
6. Definitions
6.1. The role of hydrogen in decarbonization (Prasad et al., 2024)
Acknowledgments
References
Chapter 6: Hydrogen in low carbon economies and its bottlenecks
1. Introduction
1.1. Current scenario
2. Methodology
2.1. Routes for hydrogen production
2.2. Industrial applications
2.2.1. Ammonia production
2.2.2. Methanol production
2.3. Aspects of hydrogen economy
2.3.1. Biomass hydrogen
2.4. The transition to a low-carbon context
2.5. Routes for hydrogen production
2.6. Biomass hydrogen
3. The role of biomass in the hydrogen economy
3.1. Biomass potential of sugar cane
3.1.1. Use of renewable ethanol and biomethane as hydrogen carriers
3.2. Generating electricity for electrolysis from waste biomass.
3.3. Hydrogen cells and their role in decarbonization
3.3.1. Fuel cells
3.4. Security on hydrogen storage
3.5. Safe hydrogen
3.6. Primary sources of hydrogen
3.6.1. Compostable waste
3.6.2. Anaerobic digestion
3.6.3. Recycling
3.6.4. Heat treatment
3.6.5. Waste-to-energy recovery plants (WTE)
4. Combat the effects of climate change
4.1. Global evolution of investments in renewable energy
4.2. Photovoltaic energy
4.3. Wind energy
4.4. Greenhouse gas emissions
5. Conclusions
5.1. Bottlenecks and future scope in the development of a sustainable biohydrogen economy
5.2. Economic feasibility of Hydrogen production and uses
References
Section III: Zero-carbon technology in hydrogen economy
Chapter 7: Role of hydrogen in achieving nationally determined contributions, net zero carbon emissions, and other emissio
1. Introduction
2. Role of hydrogen in different processes
2.1. Hydrogen in electrification
2.2. Hydrogen in domestic heating
2.3. Hydrogen in energy systems
2.4. Hydrogen in national energy security
3. Hydrogen contribution (policies/requirements) in national movement
3.1. Industries
3.2. Energy storage
3.3. Energy system
3.4. Clean-burning gaseous fuel
3.5. Transport
4. Nations policy for hydrogen
4.1. India
4.1.1. Phase I (2022-23 to 2025-26)
4.1.2. Phase II (2026-27 to 2029-30)
4.1.3. Integrated strategy
4.2. United Kingdom
4.3. Japan
4.4. Germany
5. Some key points addressing hydrogen contribution
5.1. Scalability
5.2. Cost
5.3. Purity
6. Hydrogen toward net zero production
6.1. Hydrogen in decarbonization processes
6.2. Elusive methane emissions
7. Conclusion
References
Chapter 8: Use of hydrogen in iron, steel, and cement industries for decarbonization
1. Introduction.
2. Hydrogen to replace coal and gas as a reducing agent
3. Use of green hydrogen in cement plants
4. Additives in the cement industry for CO2 reduction
References
Chapter 9: Securing Africa's future energies scenario through hydrogen economy
1. Introduction
2. Hydrogen economy
3. History of hydrogen
4. Types of hydrogen
5. Hydrogen energy
6. Hydrogen energy potentials
7. Africa's big hydrogen potential
8. Challenges
9. Market and technological advancements for hydrogen
10. Opportunities for policy action
11. Green hydrogen development in Nigeria
12. Conclusion
References
Index.