A Comprehensive Analysis of the Hydrogen Generation Technology Through Electrochemical Water and Industrial Wastewater Electrolysis
Al-Obaidi Q. Ibrahim D.S. Mohammed M.N. Sultan A.J. Al-Ani F.H. Abdullah T.A. Abdullah O.I. Selem N.Y.
1 September 2024Sciendo
Polish Journal of Chemical Technology
2024#26Issue 339 - 50 pp.
Most renewable energy sources are intermittent and seasonal, making energy storage and consumption problematic. Hydrogen gas can save and convey chemical energy, making it a promising sustainable energy source. Electrochemical water electrolysis technologys sustainable and efficient hydrogen gas production attracts global attention. Higher hydrogen production rates enhance hydrogen volumetric energy capacity by storing intermittent hydrogen gas in high-pressure tanks. Pressurized storage tanks are cost-effective and efficient. Hydrogen gas may be stored economically and efficiently in pressurized tanks, making electrochemical water electrolysis a sustainable energy source. This paper introduced hydrogen as an alternative to natural gas, detailed water electrolysis technologies for hydrogen production, and highlighted how they can manufacture hydrogen efficiently and cost-effectively. The theoretical volume of gaseous hydrogen and oxygen that could be produced by electrolyzing water under typical temperature and pressure (STP) circumstances, assuming a 100% efficiency rate of the process. Since there are always two moles of hydrogen produced by electrolysis and one mole of gas occupies the same volume, the volume of hydrogen developed from water is twice that of oxygen. The volume of liberated oxygen is 0.21 (L/min), and the volume of liberated hydrogen is 0.42 (L/min) with a current density of 30 A, for instance, the tracers diffusion coefficient for all conceivable flow rates. A maximum value of 90 liters per hour was determined to be the threshold at which the diffusion coefficient increased with increasing flow rate. It would appear that the diffusion coefficient remains unchanged at flow rates greater than 90 liters per hour.
Electrochemical , Green hydrogen , Renewable Energy , Waste-water Treatment , Water electrolysis technologies
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Chemical Engineering Department
Petroleum and Natural Gas Institute
Mechanical Engineering Department
Chemical and Biochemical Engineering Department
Civil Engineering Department
Applied Science Department
Department of Energy Engineering
Department of Mechanics
Chemical Engineering Department
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