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A numerical study on the design of a steam reforming reactor consisting of several reforming tubes and one burner is conducted with respect to various operating and design parameters such as GHSV (gas hourly space velocity), input heat capacity, catalyst layer length, and number of tubes. The...
Persistent link: https://www.econbiz.de/10010809511
The experiments of reforming the methane of coke-oven gas with steam were performed. The effects of the thermodynamic factors, such as the H2O/CH4 ratio, the conversion temperature (T) of methane and the reaction time (t), on the methane conversion rate have been investigated. The experimental...
Persistent link: https://www.econbiz.de/10010810522
Steam gasification of sugarcane bagasse has been investigated. A semi batch reactor with a fixed amount of sugarcane bagasse sample placed in steady flow of high temperature steam at atmospheric pressure has been used. The gasification of bagasse was examined at reactor and steam temperatures of...
Persistent link: https://www.econbiz.de/10011040387
In this paper, a performance analysis on the basis of a simulation model and experimental data of a 1kW High Temperature PEM (HTPEM) cogeneration system is presented. The system is composed of a steam reforming unit that can be operated with natural gas. The balance of plant is modeled using a...
Persistent link: https://www.econbiz.de/10011040919
An integrated configuration of a fuel cell and an auto-thermal ethanol reformer has been studied conceptually for high temperature (HT) and low temperature (LT) polymer electrolyte membrane fuel cells (PEMFCs) for a 5kW, stand-alone power unit. It is found that the integrated reformer–HT fuel...
Persistent link: https://www.econbiz.de/10011041306
Increasing biodiesel production has resulted in a glut of glycerin that has led to a precipitous drop in market prices. In this study, the use of glycerin as a biorenewable substrate for hydrogen production, using a steam reforming process, has been evaluated. Production of hydrogen from...
Persistent link: https://www.econbiz.de/10011045694
Steam reforming of acetic acid on Ni/γ-Al2O3 with different nickel loading for hydrogen production was investigated in a tubular reactor at 600 °C, 1 atm, H2O/HAc = 4, and WHSV = 5.01 g-acetic acid/g-cata.h−1. The catalysts were characterized by temperature programmed oxidation (TPO)...
Persistent link: https://www.econbiz.de/10011045955
The study focuses on hydrogen production from steam reforming of glycerol over nickel based catalyst promoted by zirconia and supported over ceria. Catalyst was prepared by the wet-impregnation method and characterized by BET surface area analysis, X-ray diffraction technique and scanning...
Persistent link: https://www.econbiz.de/10011046350
The use of ceria–zirconia based catalysts in hydrogen production from simple alkanes and oxygenated hydrocarbons for the processes of steam reforming (SR), autothermal reforming (‘ATR’), catalytic partial oxidation (‘CPO’), and dry reforming (‘DR’) is reviewed in this paper. Along...
Persistent link: https://www.econbiz.de/10011049121
Fuel cells are electrochemical energy conversion devices that convert fuel and oxidant electrochemically into electrical energy, water and heat. Compared to traditional electricity generation technologies that use combustion processes to convert fuel into heat, and then into mechanical energy,...
Persistent link: https://www.econbiz.de/10011049148