摘要:
Disclosed in the present application are a double-layer electrode for hydrogen production through water electrolysis, a preparation method therefor and an application thereof. The double-layer electrode for hydrogen production through water electrolysis comprises a current collector. The surface of the current collector is provided with at least one hydrogen/oxygen generation porous catalyst layer. The hydrogen/oxygen generation porous catalyst layer comprises a conductive porous carrier and hydrogen/oxygen generation catalyst particles dispersed on the surface of the carrier. At least one gas impurity removal porous catalyst layer is provided on the surface of the outermost hydrogen/oxygen generation porous catalyst layer, and the gas impurity removal porous catalyst layer comprises a conductive porous carrier and gas impurity removal catalyst particles dispersed on the surface of the carrier. The double-layer electrode for hydrogen production through water electrolysis has the functions of electro-catalysis, gas diffusion and gas purification, the space of the electrolytic cell can be saved, the energy consumption is reduced, and the equipment stability under fluctuation power input is improved.
摘要:
An energy-efficient method for producing purified, compressed carbon dioxide (435) suitable for enhanced oil or gas recovery (EOR/EGR) and electricity from a gaseous hydrocarbon feed (100) using a SOFC system (1), the method comprising inter alia the steps of: introducing the gaseous hydrocarbon feed (100) into the SOFC system (1); adding a recycled anode off gas comprising hot steam (309) to the hydrocarbon feed (100); introducing the hydrocarbon feed ( 100) comprising hot steam into a reformer ( 108) of the SOFC system (1); generating a reformed process gas (109) in the reformer (108); passing the reformed process gas (109)into the solid oxide fuel cell (2); in the solid oxide fuel cell (2), converting hydrogen and carbon monoxide of the reformed process gas (109) into an anode off-gas (301) and into a depleted air (208); separating the anode off-gas (301) into a recycled anode off-gas (304) and a remaining off-gas (320); recycling the recycled anode off-gas (304) above condensation temperature to provide the recycled anode off gas comprising hot steam (309); passing the remaining anode off-gas (320) into a water- gas shift unit (322); in the water-gas shift unit (322) create a shifted anode off-gas (326) and passing the shifted anode off-gas (326) into a separation system (400) to create compressed carbon dioxide (435).
摘要:
The present invention relates to a method for manufacturing Alloy 690 ordered alloy to be used in a steam generator tube serving as a heat exchanger in a nuclear power plant (hereinafter, referred to as NPP), and Alloy 690 ordered alloy manufactured thereby, and provides a method for manufacturing Alloy 690 ordered alloy with improved thermal conductivity, and Alloy 690 ordered alloy manufactured thereby, the method comprising the steps of: solution-annealing Alloy 690; cooling the solution-annealed Alloy 690 to a first temperature of 200°C/min or less; and ordering the cooled Alloy 690 in the temperature range of 410-520°C.
摘要:
The present invention relates to a cutting process simulation method and a system thereof which can efficiently optimize the decommissioning process of a nuclear facility, thereby saving costs and time and ensuring safety in the decommissioning process. The cutting process simulation system, according to one embodiment of the present invention, may comprise: a display unit: and a control unit which cuts a cutting target in a nuclear facility by using a design program, displays the cut shape on the display unit, and predicts the amount of secondary waste generated in the process of cutting the cutting target.