摘要:
The present disclosure relates to methods, processes, and systems for utilizing the dehydrogenation of 2-butanol for hydrogen consuming reactions of biomass or biomass-derived molecules.
摘要:
A fuel cell system (100) includes: a reformer (11) configured to generate a reformed gas using a raw material; a fuel cell (12) configured to generate electric power using the reformed gas; a raw material supply passage (13) through which the raw material supplied to the reformer (11) flows; a hydro-desulfurizer (10) configured to remove a sulfur component in the raw material supplied to the reformer (11); a recycle passage (14) through which a part of the reformed gas is supplied as a recycled gas to the raw material supply passage (13) provided upstream of the hydro-desulfurizer (10); a temperature detector (15) configured to detect a temperature of the hydro-desulfurizer 10; and a controller (30), wherein: when the temperature of the hydro-desulfurizer (10) reaches a predetermined temperature, the controller (30) increases a flow rate of the raw material from a predetermined flow rate by a flow rate corresponding to a flow rate of the recycled gas, and then, the controller (30) starts supplying the recycled gas to the recycle passage; and after the recycled gas reaches an upstream end of the recycle passage (14) through the raw material supply passage (13), the controller (30) returns the flow rate of the raw material to the predetermined flow rate.
摘要:
A hydrogen separation membrane comprises a palladium alloy that includes at least palladium, silver as an added metal A, and copper as an added metal B. The content of silver in the palladium alloy is 10 to 40 parts by mass, based on 100 parts by mass of palladium, and the content of copper in the palladium alloy is 1 to 15 parts by mass, based on 100 parts by mass of palladium. The hydrogen separation membrane exhibits excellent hydrogen permeability and durability.
摘要:
A process is described for flowing an oxygenate feed over a catalyst in an adiabatic fixed bed reactor to product a reactor effluent and heat. The reaction inside the adiabatic fixed bed reactor occurs at a reaction temperature from about 200 ∘ C to about 375 ∘ C. The reactor effluent is then condensed to separate the liquid products and the gaseous products. A separation step then separates the gaseous products into hydrogen and off-gas.
摘要:
Methods and systems are disclosed for extracting hydrogen and/or liquid fuel from a compound comprising carbon, oxygen, and hydrogen ("C-O-H"). The compound may include cellulose, lignin, and/or hemicellulose, for example. The compound may include a waste stream that includes at least one C-O-H compound. Water may be combined with the C-O-H compound to produce a wet form of the C-O-H compound. The wet form of the C-O-H compound may be transferred into a reaction processing chamber. The wet form of the C-O-H compound may be heated within the reaction chamber such that elements of the C-O-H compound dissociate and react, with one reaction product comprising at least hydrogen gas and/or liquid fuel. Some embodiments may utilize non-oxidation reactions to produce the hydrogen and/or liquid fuel, such as hydrous pyrolysis reactions. The hydrogen gas and/or liquid fuel may be utilized to generate electrical power, heat, or power different types of engines.
摘要:
Hydrogen generation assemblies and their components are disclosed. In some embodiments, the assemblies may include a pump controller configured to select a flowrate from a plurality of flowrates based on detected pressure, and to operate the pump at the selected flowrate. In some embodiments, the assemblies may include a purge valve assembly configured to allow at least one pressurized gas to flow through a purge conduit from a pressurized gas assembly to a fuel processing assembly when power to the fuel processing assembly is interrupted. In some embodiments, the assemblies may include a damper controller configured to move a damper between fully open and closed positions based, at least in part, on detected temperature in a hydrogen-producing region. In some embodiments, the assemblies may include a reformer controller configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure.
摘要:
An object of the present invention is to provide a catalyst in which a reaction initiation temperature at which self-heating function is exhibited is low and which is capable of suppressing carbon accumulation even when a reaction is repeated. The catalyst of the present invention is a catalyst including a CeZr-based oxide, silicon, and a catalytically active metal, wherein the CeZr-based oxide satisfies Ce x Zr y O 2 (x + y = 1) and the silicon satisfies molar ratios of 0.02 ≤ Si/Zr and 0.01
摘要翻译:本发明的目的是提供一种催化剂,其中显示自发热功能的反应起始温度低,并且即使当重复反应时也能够抑制碳积累。 本发明的催化剂是包含CeZr类氧化物,硅和催化活性金属的催化剂,其中CeZr类氧化物满足Ce x Zr y O 2(x + y = 1)且硅满足0.02≤Si/ Zr和0.01
摘要:
When the production of hydrogen and the recovery of carbon dioxide are simultaneously performed by using as a raw material a carbon-containing fuel, the increase of the system cost is suppressed and the efficiency is improved. Disclosed is a method for producing hydrogen and recovering carbon dioxide which method produces hydrogen from a carbon-containing fuel and recovers carbon dioxide, including: a hydrogen-containing gas producing step of obtaining a hydrogen-containing gas that contains hydrogen and carbon dioxide by reforming a carbon-containing fuel; a PSA step of separating, by using a pressure swing adsorption apparatus, the hydrogen-containing gas into a first hydrogen-enriched gas that is a gas enriched in hydrogen and a PSA offgas that is a gas enriched in the components other than hydrogen; and a step of obtaining, by treating the PSA offgas with a hydrogen separation membrane and a carbon dioxide separation membrane, a second hydrogen-enriched gas that is a gas enriched in hydrogen and a carbon dioxide-enriched gas that is a gas enriched in carbon dioxide. Also disclosed is an apparatus for embodying the method.