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Waste to Renewable Biohydrogen


Waste to Renewable Biohydrogen
  • Author : Quanguo Zhang
  • Publisher : Academic Press
  • Release : 2021-04-30
  • ISBN : 9780128216545
  • Language : En, Es, Fr & De
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Waste to Renewable Biohydrogen: Volume 1: Advances in Theory and Experiments provides a comprehensive overview of the advances, processes and technologies for waste treatment to hydrogen production. It introduces and compares the most widely adopted and most promising technologies, such as dark fermentation, thermochemical and photosynthetic processes. In this part, potential estimation, feasibility analysis, feedstock pretreatment, advanced waste-to-biohydrogen processes and each individual systems element are examined. The book delves into the theoretical and experimental studies for the design and optimization of different waste-to-biohydrogen processes and systems. Covering several advanced waste-to-biohydrogen pretreatment and production processes, this book investigates the future trends and the promising pathways for biohydrogen production from waste. Discusses the potential, feasibility, progress, challenges and prospect of waste-to-biohydrogen technologies Explores the most promising waste-to-biohydrogen technologies including dark fermentation, thermochemical and photosynthetic processes Investigate the mechanisms and the effects of the influential factors on different waste-to-biohydrogen processes

Waste to Renewable Biohydrogen Volume 2


Waste to Renewable Biohydrogen  Volume 2
  • Author : Quanguo Zhang
  • Publisher : Academic Press
  • Release : 2021-10-15
  • ISBN : 0128216751
  • Language : En, Es, Fr & De
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Waste to Renewable Biohydrogen: Experimental Findings and Numerical Modelling in Sustainability Assessment is the second volume by the same team addressing an integrated approach to experimental, modelling, and sustainability aspects of waste-to-biohydrogen systems. This volume focuses on the processes and for waste treatment to hydrogen production. Delving into modelling and simulation methodologies for the design and optimization of different processes and systems this reference also looks more at the application of computational fluid dynamics and artificial neural networks. Finally it addresses the economic, environmental and sustainability implications of waste-to-biohydrogen systems, covering several techniques for cost-benefit analysis, techno-economic analysis, life cycle assessment, sustainability ranking and supply chain design, ending on a look into future trends and pathways for the commercial deployment of the conversion of wastes into biohydrogen in industrial scale. Waste to Renewable Biohydrogen's, Volume 2 coverage, spanning technology and industry advances, systems modelling and sustainability, offers a well-rounded reference that supports decision-making of energy researchers and industry practitioners alike. Graduate students, early career researchers and waste management professionals also find here a thorough introduction to the topic and its surrounding issues. Includes numerical simulation models for environmental performances and sustainable supply chains Explores modelling methodologies for optimization and upscaling of sustainable technologies and systems Offers global case studies and comparison of different feedstocks

Biohydrogen


Biohydrogen
  • Author : Ganesh D. Saratale
  • Publisher : Elsevier Inc. Chapters
  • Release : 2013-06-11
  • ISBN : 9780128083598
  • Language : En, Es, Fr & De
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The world’s energy markets rely heavily on fossil fuels (such as coal, petroleum, and natural gases). However, due to increasing energy demands, depleting reserves of fossil fuels, and increasing negative effects on the environment (e.g., global warming and climate changes), as well as growing political instability in oil-producing nations, the world is facing a major energy threat that needs to be solved by virtue of alternative energy sources utilizing renewable resources. The only natural, renewable carbon resource known with large enough capacity to substitute for fossil fuels is biomass. Thus, energy from biomass is considered to be one of the most promising alternatives to fossil fuels. Among the existing biomass energy/biofuels, biohydrogen has received considerable attention as it is clean, renewable, has a high energy content, and does not contribute to the greenhouse effect. Biomass is projected as a virtually eternal raw material for hydrogen (H2) production; however, the main bottleneck is the low hydrogen yield arising from poor efficiency on direct microbial assimilation of biomass. Therefore, technologies leading to more efficient and commercially viable production of biohydrogen from biomass and other renewable resources are urgently demanded. This chapter sheds light on some of the practical approaches of fermentative H2-generating processes utilizing a variety of biomass and renewable resources as substrate. This chapter also emphasizes biohydrogen production technology that could maximize hydrogen yield by designing efficient bioprocess integration and energy and waste minimization. Improving the hydrolysis of biomass has been recognized as a key step toward biohydrogen production. Considerable research efforts made on improving the pretreatment and hydrolysis of biomass materials are also addressed. Emphasis is given to discussion of the process based on important operating factors involved and to delineation of some of the process limitations. The aim of this chapter is to provide rapidly expanding information on biohydrogen production from renewable resources and to offer clues and possibilities for enhancing the performance of natural waste utilization and dark fermentative hydrogen production to resolve issues related to food security, climate change, energy security, and clean development in the future.

Hydrogen Biomass and Bioenergy


Hydrogen  Biomass and Bioenergy
  • Author : Bruno G. Pollet
  • Publisher : Academic Press
  • Release : 2020-06-26
  • ISBN : 9780081026465
  • Language : En, Es, Fr & De
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Hydrogen and Bioenergy: Integration Pathways for Renewable Energy Applications focuses on the nexus between hydrogen and carbon compounds as energy carriers, with a particular focus on renewable energy solutions. This book explores opportunities for integrating hydrogen in the bioenergy value chain, such as adding hydrogen to upgrade biofuels and lower CO2 emissions during production. The book also takes the inverse path to examine hydrogen production by chemical and biological routes from various bioresources, including solid waste, wastewater, agricultural products and algae. This broad coverage of technologies and applications presents a unique resource for researchers and practitioners developing integrated hydrogen and bioenergy technologies. This book will also be useful for graduate students and new researchers, presenting an introductory resource in the areas of hydrogen and bioenergy. Energy planners and engineers will also benefit from this content when designing and deploying hydrogen infrastructure for power, heating and transportation. Provides a comprehensive picture of hydrogen generation from biomass, as well as other sources of hydrogen for power, heating, transportation and storage applications Explores the ways hydrogen can be utilized in combination with bio-derived hydrocarbon chains to produce a variety of substitutes for fossil fuel-based petrochemicals Fills the gap between theoretical knowledge and technology viability Analyzes how these technologies fit into an overall energy strategy targeted at expanding the renewable energy sector

Bio hydrogen Production from Renewable Organic Wastes


Bio hydrogen Production from Renewable Organic Wastes
  • Author :
  • Publisher :
  • Release : 2004
  • ISBN : OCLC:68496598
  • Language : En, Es, Fr & De
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Methane fermentation has been in practice over a century for the stabilization of high strength organic waste/wastewater. Although methanogenesis is a well established process and methane--the end-product of methanogenesis is a useful energy source; it is a low value end product with relatively less energy content (about 56 kJ energy/g CH4). Besides, methane and its combustion by-product are powerful greenhouse gases, and responsible for global climate change. So there is a pressing need to explore alternative environmental technologies that not only stabilize the waste/wastewater but also generate benign high value end products. From this perspective, anaerobic bioconversion of organic wastes to hydrogen gas is an attractive option that achieves both goals. From energy security stand point, generation of hydrogen energy from renewable organic waste/wastewater could substitute non-renewable fossil fuels, over two-third of which is imported from politically unstable countries. Thus, biological hydrogen production from renewable organic waste through dark fermentation represents a critically important area of bioenergy production. This study evaluated both process engineering and microbial physiology of biohydrogen production.