Fermentative Hydrogen Production: From Fundamentals and Processes is a comprehensive examination of the theoretical and operational aspects of dark fermentative production of hydrogen. The book presents the latest technological developments, analyzes advantages and challenges, and discusses the potential for the maturity of dark fermentation. Part One analyzes the various technologies for hydrogen production, purification, storage, applications, and safety. In Part Two, first to third generation feedstocks are reviewed, as well as co-fermentation and solid and liquid wastes. Part Three examines the typical hydrogen-producing microorganisms in both pure and mixed cultures, along with sequencing techniques, pretreatment considerations, and engineering options. Part Four discusses influencing factors such as operational parameters, promotors, inhibitors, and has a dedicated section on the effects of Iron. Finally, Part Five directly compares dark hydrogen with other hydrogen production technologies through life cycle environmental impact assessments, highlighting bottlenecks and challenges in scaling up these technologies. Critically reviews the fundamentals and environmental impacts of biological hydrogen production technologies Evaluates and compares various feedstocks for biohydrogen production, including co-fermentation of different feedstocks Examines the use of pure and mixed cultures Provides case studies with real-world applications of the technologies discussed in the book
This book comprehensively introduces fundamentals and applications of fermentative hydrogen production from organic wastes, consisting of eight chapters, covering the microbiology, biochemistry and enzymology of hydrogen production, the enrichment of hydrogen-producing microorganisms, the pretreatment of various organic wastes for hydrogen production, the influence of different physicochemical factors on hydrogen production, the kinetic models and simulation of biological process of fermentative hydrogen production, the optimization of biological hydrogen production process and the fermentative hydrogen production from sewage sludge. The book summarizes the most recent advances that have been made in this field and discusses bottlenecks of further development. This book gives a holistic picture of this technology and details the knowledge through illustrative diagrams, flow charts, and comprehensive tables. It is intended for undergraduate and graduate students who are interested in bioenergy and wastes management, researchers exploring microbial fermentation process, and engineers working on system optimization or other bioenergy applications.
This book comprehensively introduces fundamentals and applications of fermentative hydrogen production from organic wastes, consisting of eight chapters, covering the microbiology, biochemistry and enzymology of hydrogen production, the enrichment of hydrogen-producing microorganisms, the pretreatment of various organic wastes for hydrogen production, the influence of different physicochemical factors on hydrogen production, the kinetic models and simulation of biological process of fermentative hydrogen production, the optimization of biological hydrogen production process and the fermentative hydrogen production from sewage sludge. The book summarizes the most recent advances that have been made in this field and discusses bottlenecks of further development. This book gives a holistic picture of this technology and details the knowledge through illustrative diagrams, flow charts, and comprehensive tables. It is intended for undergraduate and graduate students who are interested in bioenergy and wastes management, researchers exploring microbial fermentation process, and engineers working on system optimization or other bioenergy applications.
Fermentative Hydrogen Production: From Fundamentals and Processes is a comprehensive examination of the theoretical and operational aspects of dark fermentative production of hydrogen. The book presents the latest technological developments, analyzes advantages and challenges, and discusses the potential for the maturity of dark fermentation. Part One analyzes the various technologies for hydrogen production, purification, storage, applications, and safety. In Part Two, first to third generation feedstocks are reviewed, as well as co-fermentation and solid and liquid wastes. Part Three examines the typical hydrogen-producing microorganisms in both pure and mixed cultures, along with sequencing techniques, pretreatment considerations, and engineering options. Part Four discusses influencing factors such as operational parameters, promotors, inhibitors, and has a dedicated section on the effects of Iron. Finally, Part Five directly compares dark hydrogen with other hydrogen production technologies through life cycle environmental impact assessments, highlighting bottlenecks and challenges in scaling up these technologies. Critically reviews the fundamentals and environmental impacts of biological hydrogen production technologies Evaluates and compares various feedstocks for biohydrogen production, including co-fermentation of different feedstocks Examines the use of pure and mixed cultures Provides case studies with real-world applications of the technologies discussed in the book
This book introduces high-temperature shock technology (HTS), a new method for ultra-fast synthesis of nanomaterials. HTS cannot only effectively avoid surface oxidation, agglomeration and immiscibility during the preparation of nanomaterials but also eliminate the defects or impurities of carbon-based nanomaterials. The book first presents the unique working devices of HTS. Then, it explains the working principle of its rapid heating and cooling rate at the millisecond level. In addition, the book highlights the latest research achievements of this technology in catalysis, batteries, carbon materials and new material devices, and puts forward the cost-benefit analysis and future development direction. Given its scope, the book appeals to a broad readership, particularly researchers engaged in materials, chemistry, new energy and other related fields, as well as teachers of relevant majors in colleges and universities.
This book presents a survey of rural and urban Chinese people examining the dramatic changes in traditional culture that have taken place, and documenting the nature of contemporary Chinese culture. Chu and Ju examine attitudes about family relations, social relations, job preferences and work ethic, organizational relations, community life, and belief systems. Although there remains some limited continuity with the past, mainly in family stability, the book shows how lifestyle and values in post-Mao China today reveal a radical departure from traditional Chinese culture. The authors discover that Chinese people no longer endorse the Confucian precepts of harmony and tolerance, nor do they submit compliantly to authority as previous generations did. They now demonstrate, in an environment of rising aspirations and mounting frustration, a new assertiveness, as seen in the tragic outburst in the Tiananmen demonstrations.
This thesis presents significant advances in the imaging and theory of the ultrafast dynamics of surface plasmon polariton fields. The author details construction of a sub-10 femtosecond and sub-10 nanometer spatiotemporal resolution ultrafast photoemission microscope which is subsequently used for the discovery of topological meron and skyrmion-like plasmonic quasiparticles. In particular, this enabled the creation of movies of the surface plasmon polariton fields evolving on sub-optical wavelength scales at around 0.1 femtosecond per image frame undergoing vortex phase evolution. The key insight that the transverse spin of surface plasmon polaritons undergoes a texturing into meron or skyrmion-like topological quasiparticles (defined by the geometric charge of the preparation) follows. In addition, this thesis develops an analytical theory of these new topological quasiparticles, opening new avenues of research, while the ultrafast microscopy techniques established within will also be broadly applicable to studies of nanoscale optical excitations in electronic materials.
This book explores the relationship between pedestrians/cyclists’ mode and route choice to/from metro/railway stations and the micro-level (street-scale) built environment in a second-tier city in China. More specifically, it investigates how the street-scale built environment influences pedestrians/cyclists’ mode choice and route choice behavior and examines user preferences for the micro-level built environment around metro stations. The focus on a second-tier city is motivated primarily to expand the set of Chinese cities where the effects of the built environment on pedestrian/cyclist mode and route choice have been studied. Results demonstrate the effects of the street-scale built environment on pedestrian flows. The effects are higher for the main road, which is directly connected with the metro station. The findings of this book are expected to support the design of preferred walking/biking built environments around a metro station. This book appeals to urbanists, planners, engineers, policy makers, and those interested in a wide-ranging overview of slow/green transportation and built environment promotion. These methods not only help to understand the quantitative relationship between built environment design and travel behavior but also support the evaluation and assessment of built environment design in urban planning projects. It reduces the gap in our understanding of the quantitative relationship between the micro-level built environment and pedestrians/cyclists’ transportation mode and route choice around the metro station. Both stated choice data and revealed choice data were used. An extended set of micro-level built environment attributes was developed. Besides the widely studied transportation-related factors, street-level built environment factors were studied using quantitative methods.
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