By José Luz Silveira
This paintings provides a accomplished research of the main major renewable hydrogen creation techniques. Technical, fiscal and ecological reviews are defined for the methods of steam reforming of ethanol, average gasoline and biogas; water electrolysis with strength from renewable assets (wind strength, photovoltaic and hydroelectric), and hydrogen creation utilizing algae. aimed toward mechanical and chemical engineering graduate scholars and researchers all in favour of environmental sciences, sustainable power and bioenergy learn, this publication introduces readers to the most recent advancements within the box and offers crucial reference fabric for destiny learn. The ebook first offers a accomplished literature evaluation of the procedures studied. thus, it presents a technical document on assessing the vigorous potency for every hydrogen creation technique, in addition to an fiscal learn of the respective hydrogen creation charges. finally, the ecological potency of every approach is addressed. over the last few a long time, the UNESP’s crew of Optimization of full of life structures, headed by means of Professor José Luz Silveira, has been pursuing examine within the box of renewable power iteration. an immense a part of the group’s study specializes in the creation of hydrogen as a gasoline and its vital contribution to mitigating the environmental affects attributable to pollutant emissions.
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Extra resources for Sustainable Hydrogen Production Processes: Energy, Economic and Ecological Issues
Sample text
B. Braga et al. Catalyst for Steam Reforming Reactions As the steam reforming process is composed of catalytic reactions, the study of catalysts becomes an essential part in this chapter. The use of suitable catalysts can minimize unwanted reactions, such as Boudouard’s reaction (Duane et al. 2002). The greatest difficulty of reforming reactions to produce hydrogen and synthesis gas lies in obtaining stable catalysts, which are simultaneously selective for CO2 and H2 and resistant to metallic synthesis and coke deposition (Abreu et al.
43 g of Tris-aminomethane are dissolved in 1 L of water, thus obtaining the media for algae growth (TAP) and hydrogen production (TAP-S).
A. B. Braga et al. heat treatments to which they were subjected, as well as a list of the different solids obtained with their respective nominal compositions and designations. 5 mol/L) and ammonium hydroxide NH4OH (6 mol/ L). 5 mol/L) evenly over the ammonium hydroxide solution (6 mol/L) with a peristaltic pump under constant stirring at pH ! 10, as shown in Fig. 12. Afterwards, the system became idle with the purpose of aging for 16 h at 298 K. After the aging process, the precipitate was filtered and washed in a B€uchner funnel with distilled water at 333 K using the system presented in Fig.