The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH.sub.3) is supplied to the reaction region, the ammonia is converted into hydrogen (H.sub.2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.

The present invention discloses a Fe—Al-based metal membrane and preparation method thereof, which relate to the technical field concerning gas-solid separation under high-temperature, low-pressure working conditions, and mainly address the defects of conventional metal filter elements in the prior art such as high filtration resistance and low flux under low-pressure working environments. The preparation method of the present invention comprises the steps of: stirring and defoaming a mixture composed of a Fe—Al-based metal powder and an organic-additive-added water-based solvent, thus obtaining a cast slurry; casting a uniform membrane layer on a metal substrate layer having a required thickness on a casting machine, and performing drying treatment on it, thus obtaining a membrane green body; and, placing the dried membrane green body in a sintering furnace for degreasing, sintering, and alloy phase ordering treatments, respectively, thus obtain a prepared Fe—Al-based metal membrane.

A catalytic system for CO.sub.2 capture and sequestration. The system includes a reduction cell for separating a carrier medium having an anode generating oxygen, a cathode generating hydrogen, and a CO precursor from the carrier medium. In addition, the system includes a power supply for providing electrical power to the anode and the cathode. An electrolysis process occurs where oxygen, hydrogen, CO precursors are produced. The anode and the cathode include a plurality of geometrical constructs to increase an active surface area of a catalytic surface of the anode and cathode to increase an efficiency of the electrolysis process. The geometrical constructs may include vias and pillars. In one embodiment, a capillary action is produced for CO.sub.2 sequestration across the catalytic surface having a plurality of vias.

A treatment module including a housing having an input port and an output port; a plurality of treatment members, each treatment member having a skeleton and a mesh material provided over the skeleton, the mesh material being joined to the skeleton at one or more portions of the skeleton; and a layer of particles formed over a first side of the mesh material, the layer having pores of sufficient size to enable a fluid to flow through the layer.

Reactor/separator elements for performing the generation and/or separation of hydrogen gas with improved efficiency have a central core and a separation layer that, in combination, define at least one spiral gas flow channel extending from one end of the central core to the opposite end of the central core. In use, the reactor/separator element may be placed in a housing which constrains gas on the outside of the reactor/separator element into the spiral channel defined by the outside of the separation layer.

A method for filtering magnetic particles includes spinning a filter including a plurality of pores within a substrate. The method further includes applying, subsequent to spinning the filter, an external magnetic field to the filter. The method includes disposing a solution including a first particle and a second particle onto the filter. The first particle includes a magnetic particle of interest. The method further includes separating the first particle from the second particle by capturing the first particle within a pore of the plurality of pores within the substrate.

Hydrogen-producing fuel processing systems and related methods. The systems include a hydrogen-producing region configured to produce a mixed gas stream from a feedstock stream, a hydrogen-separation membrane module having at least one hydrogen-selective membrane and configured to separate the mixed gas stream into a product hydrogen stream and a byproduct stream, and an oxidant delivery system configured to deliver an oxidant-containing stream to the hydrogen-separation membrane module in situ to increase hydrogen permeance of the hydrogen-selective membrane. The methods include operating a hydrogen-producing fuel processing system in a hydrogen-producing regime, and subsequently operating the hydrogen-producing fuel processing system in a restoration regime, in which an oxidant-containing stream is delivered to the hydrogen-separation membrane module in situ to expose the at least one hydrogen-selective membrane to the oxidant-containing stream to increase the hydrogen permeance of the at least one hydrogen-selective membrane.

A cell-capturing device includes: one or more introduction channels for introducing test liquid or treatment liquid; a discharge channel for discharging the test liquid or the treatment liquid to the outside; a filter having a plurality of through-holes, and being disposed in a channel so that the test liquid or the treatment liquid passes through the through-holes; an introduction region formed between the filter and the introduction channel in a channel; a discharge region formed between the filter and the discharge channel; and a housing part accommodating at least a part of the introduction channel, the introduction region, and the discharge region therein, wherein the cell-capturing device further includes a pre-treatment part formed at a position apart from a connection part with the introduction region on at least one of the introduction channels, and formed by a spatial region having a diameter larger than that of the introduction channel.

Disclosed herein are hybrid membranes comprising: a microporous polymer, the microporous polymer comprising a continuous polymer phase permeated by a continuous pore phase; and an atomic scale inorganic material dispersed throughout the microporous polymer within the continuous pore phase. Methods of making and use of the hybrid membranes are also disclosed.

Provided is a method for manufacturing a porous body by which a porous body having a plurality of layers different from each other in pore diameter can be manufactured more easily than before. The method includes heating a raw material solution including a metal ion and an organic ligand to synthesize an interpenetrated metal-organic framework layer; and after synthesizing the interpenetrated metal-organic framework layer, synthesizing a non-interpenetrated metal-organic framework layer under conditions in which concentrations of the metal ion and the organic ligand in the raw material solution and/or a heat temperature are lower than that in synthesizing the interpenetrated metal-organic framework, to obtain a porous body including the interpenetrated metal-organic framework layer and the non-interpenetrated metal-organic framework layer stacked together.