Heat exchanger-reformer for use in a hydrogen production plant for producing syngas, for instance by means of a steam methane reforming method, wherein the reformer comprises vessel with a first inlet for supplying feed and a second inlet for supplying hot reformer effluent, preferably coming from a main steam methane reformer, wherein the heat exchanger-reformer further comprises a heat exchanging section that is arranged in fluid connection with the first and second inlets for exchanging heat between the feed and reformer effluent to effectuate steam reforming of hydrocarbon to produce syngas, wherein the heat exchanging section comprises a plate heat exchanger assembly for heat exchange between said feed and said reformer effluent.

Systems and methods employing beds of bagged and caged absorbent and adsorbent materials are disclosed. These inventions are useful in the area of solid phase extraction.

A fuel cell system comprising a fuel cell stack, an evaporator for evaporating a mixture of methanol and water to be forwarded through a catalytic reformer for producing portions of free hydrogen. The fuel cell stack being composed of a number of proton exchange membrane fuel cells each featuring electrodes in form of an anode and a cathode for delivering an electric current. The system provides an enhanced catalytic reformer for a fuel cell system, which enables a compact design of the reformer for integration into a flat, rack mountable system.

Catalytic and/or sorptive articles comprising a metal fiber felt, the metal felt having an array of metal fibers and voids and a catalyst composition and/or a sorbent composition disposed on the metal fibers and within the voids are described. Such articles can be highly effective towards the abatement of pollutants in exhaust gas streams from internal combustion engines.

A reactor has a heat exchanging body including therein a heat medium flow channel in which heat medium flows, and a reaction flow channel in which a reaction fluid flows, to exchange heat between the heat medium and the reaction fluid. A heat transfer promoter is provided in the heat medium flow channel and comes in close contact with the heat exchanging body to promote heat transfer between the heat medium and the heat exchanging body. The heat transfer promoter is an assembly of partial heat transfer promoters of a plurality of types. Replacing the partial heat transfer promoter with another type one, temperature distribution in the heat exchanging body is adjusted.

Provided is a reactor in which a catalyst to accelerate reaction of a reactant is allowed to act on a reaction fluid having the reactant. The reactor has a partition that defines, in a parallel form, a plurality of reaction flow passages through which the reaction fluid flows, and a plurality of catalyst structures, each having a catalyst and being respectively provided in each of the plurality of reaction flow passages. The partition has a communicating portion allowing the plurality of reaction flow passages to communicate mutually.

A reactor includes: a heat exchange body including a heat medium channel through which the heat medium flows and a reaction channel through which the reaction fluid flows; at least one structured catalyst supporting a catalyst for promoting the reaction of the reaction fluid and removably installed in the reaction channel; and a holding member including an extending part extending in a direction conforming to an extending direction of the reaction channel and capable of engaging with the at least one structured catalyst, and regulating parts provided in the extending part to regulate a movement of the at least one structured catalyst in the extending direction of the extending part, wherein the holding member is inserted and removed with respect to the reaction channel while holding the structured catalyst.

A reactor has a heat exchanging body including therein a heat medium flow channel in which heat medium flows, and a reaction flow channel in which a reaction fluid flows, to exchange heat between the heat medium and the reaction fluid. A heat transfer promoter is provided in the heat medium flow channel and comes in close contact with the heat exchanging body to promote heat transfer between the heat medium and the heat exchanging body. The heat transfer promoter is an assembly of partial heat transfer promoters of a plurality of types. Replacing the partial heat transfer promoter with another type one, temperature distribution in the heat exchanging body is adjusted.

A sanitizing photocatalytic reactor suitable for air liquid or liquid fluids includes a reaction region containing a photocatalyst selected from nanotechnological materials of natural light photocatalyst type, which is supported on an inert support or mixed with a plastic material, and an illumination region having white color LED lights, the reaction region further having one or more channels through which the fluids to be sanitized flow.

A combined reformer and purifier for converting a hydrogen-rich feedstock into purified hydrogen is described. The combined reformer and purifier can include at least one compression plate as an assembly comprising at least one first cavity comprising a catalyst effective to liberate hydrogen from said hydrogen-rich feedstock and forming a hydrogen-rich mixed gas. The compression plate assembly can also include at least one second cavity enclosing a burner or oxidative catalytic reactor to oxidize said hydrogen-depleted raffinate or said hydrogen-rich feedstock to supply heat to the at least one first cavity containing said catalyst. The compression plate assembly can also include an interior surface proximal to said membrane and an exterior surface distal to said membrane. The compression plate assembly can also include a third cavity effective to preheat said hydrogen-rich feedstock prior to being delivered to said catalyst.