Journal ArticleDOI
Photocatalytic mineralization of hydrogen sulfide as a dual-phase technique for hydrogen production and environmental remediation
TLDR
In this article, the performance of photocatalysts is evaluated in terms of quantum yield, space-time yield, and other operational variables, including mode of operation, irradiation time, and relative humidity.Abstract:
Hydrogen sulfide (H2S) is regarded as a broad-spectrum poison associated with severe health consequences. Among the available treatment options, photocatalytic technology may be effectively applied to the production of hydrogen gas through the splitting of H2S molecules and the addition of 79.9 kJ mol−1 of energy. As a result, advanced photo-reactive media may provide a win-win strategy to treat the parent pollutant (H2S) while producing hydrogen gas. This review encompasses both TiO2 and non-TiO2 catalysts capable of operating under ultraviolet, visible, and solar light irradiation. The performances of photocatalysts are assessed in terms of quantum yield, space-time yield, and other operational variables, including mode of operation, irradiation time, and relative humidity. The concept of space velocity is used to compare photocatalysts in reference to benchmark parameters for the treatment of H2S. This review addresses current limitations and future prospects of the application of photocatalytic technology to efficiently mitigate H2S pollution.read more
Citations
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Journal ArticleDOI
Modified Electronic Structure of Ta2O5 Via Surface Decorated with Ta3B2 Nanodots for Enhanced Photocatalytic Activity
Lihong Bao,Fan Yang,Dawei Cheng,Xiaojian Pan,Hongyan Zhang,Fengqi Zhao,Siqin Zhao,Ojiyed Tegus +7 more
TL;DR: In this article, a metallic-semiconducting Ta3B2@Ta2O5 heterostructure with enhanced photocatalytic activity has been prepared by in-situ solid state reaction, using Ta2O2 and NaBH4 powders.
Journal ArticleDOI
Computational modeling of green hydrogen generation from photocatalytic H2S splitting: Overview and perspectives
Yuting Li,Daniel Bahamon,Mutasem Omar Sinnokrot,Khalid Al-Ali,Giovanni Palmisano,Lourdes F. Vega +5 more
TL;DR: In this article, the authors summarize the published work on H2S photocatalysis modeling and illustrate the use of different computational methods to gain more in-depth insight into the reaction mechanisms and processes.
Journal ArticleDOI
H2S Involved Photocatalytic System: A Novel Syngas Production Strategy by Boosting the Photoreduction of CO2 While Recovering Hydrogen from the Environmental Toxicant
TL;DR: In this article , a well-defined CdS/TiO2:Cu hollow spheres with highly dispersed heterointerfaces are successfully constructed for photoreduction of CO2 in presence of in situ generated H2S.
Journal ArticleDOI
Low platinum alloy catalyst PtCo3 obtaining high catalytic activity and stability with great water and CO2 resistance for catalytic oxidation of toluene
Liqing Li,Jianwu Zou,Ruoding Wang,Yankun Du,Rongjia Fang,Xiaoshuang Duan,Yangjia Liu,Jia Mao,Lingyun Yu,Xiang Xu,Zheng Zeng,Liqing Li +11 more
TL;DR: In this paper, the catalytic activity and stability of the PtCo3-C for toluene oxidation under different reaction conditions were studied, and a good catalyst candidate obtaining high catalytic capability and stability with great water and CO2 resistance was presented.
Journal ArticleDOI
Photocatalytic potential of a titanium dioxide–supported platinum catalyst against complicated composition of VOCs under varying humidity conditions
TL;DR: In this paper , the performance of photocatalysts against volatile organic compounds (VOCs) as a mixture rather than as single-component systems was evaluated using a reduced titanium dioxide (TiO2)-supported platinum (1 wt%) catalyst.
References
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Journal ArticleDOI
Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more
TL;DR: Water photolysis is investigated by exploiting the fact that water is transparent to visible light and cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm.
Journal ArticleDOI
Heterogeneous photocatalysis: fundamentals and applications to the removal of various types of aqueous pollutants
TL;DR: In this article, the basic fundamental principles are described as well as the influence of the main parameters governing the kinetics (mass of catalyst, wavelength, initial concentration, temperature and radiant flux).
Journal ArticleDOI
Recent developments in heterogeneous photocatalysts for solar-driven overall water splitting
TL;DR: In this article, a review summarizes the basics of overall water splitting via both one-step excitation and Z-scheme processes, with a focus on standard methods of determining photocatalytic performance.
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New Benchmark for Water Photooxidation by Nanostructured α-Fe2O3 Films
TL;DR: In this article, thin films of silicon-doped Fe2O3 were deposited by APCVD (atmospheric pressure chemical vapor deposition) from Fe(CO)5 and TEOS (tetraethoxysilane) on SnO2-coated glass at 415 °C.
Journal ArticleDOI
Natural Gas Processing with Membranes: An Overview
TL;DR: An overview of the membrane technology in current use for natural gas treatment and outlines the future prospects can be found in this paper, with a focus on the membrane-based removal of natural gas contaminants.
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