C01B2203/1047

Reforming using sulfur-tolerant reforming catalyst

Sulfur-tolerant reforming catalysts that include bulk alumina in the catalyst support are provided. The sulfur-tolerant reforming catalysts can include a sulfur-tolerant catalytic metal to facilitate reforming. The catalyst can further include a support material that includes at least some alumina as bulk alumina and/or octahedrally coordinated alumina. The sulfur-tolerant reforming catalysts can be regenerated, such as periodically regenerated, under relatively mild conditions that allow the catalysts to maintain reforming activity in the presence of 1 vppm to 1000 vppm of sulfur in the feed for reforming.

SYNTHESIS GAS PRODUCTION CATALYST STRUCTURE AND PRECURSOR THEREOF, SYNTHESIS GAS PRODUCTION APPARATUS, AND METHOD OF PRODUCING SYNTHESIS GAS PRODUCTION CATALYST STRUCTURE

Provided is a synthesis gas production catalyst structure or the like which can maintain stable high catalytic activity for a long period of time without degradation and can allow efficient production of a synthesis gas including carbon monoxide and hydrogen. The synthesis gas production catalyst structure 1 for use in producing a synthesis gas comprising carbon monoxide and hydrogen, the synthesis gas production catalyst structure 1 including: supports 10 each having a porous structure and including a zeolite-type compound; and at least one catalytic material 20 present in the supports 10, in which each of the supports 10 has channels 11 communicating with one another, each of the supports 10 has a ratio (L/d ratio) of long side dimension L to thickness dimension d of 5.0 or more, and the catalytic material 20 is present at least in the channel 11 of each of the supports 10.

ELECTRICITY GENERATION DEVICES USING FORMIC ACID
20220149404 · 2022-05-12 ·

The present disclosure relates generally to portable energy generation devices and methods. The devices are designed to covert formic acid into released hydrogen, alleviating the need for a hydrogen tank as a hydrogen source for fuel cell power. In particular, an electricity generation device for powering a battery comprising a formic acid reservoir containing a liquid consisting of formic acid; a reaction chamber capable of using a catalyst and heat to convert the formic acid to hydrogen and carbon dioxide; a fuel cell that generates electricity; a delivery system for moving converted hydrogen into the fuel cell; and a battery powered by electricity generated by the fuel cell is provided.

SYSTEM AND METHOD OF PRODUCING CARBON NANOTUBES
20220144642 · 2022-05-12 ·

Method of producing short carbon nanotube fibers from a carbonaceous gas.

BIMETALLIC CATALYST FOR CATALYTIC PARTIAL OXIDATION OF HYDROCARBONS
20220134315 · 2022-05-05 ·

A bimetallic catalyst composition containing a mesh substrate having supported thereon an alumina washcoat on which are impregnated bimetallic particles of rhodium and ruthenium in specified amounts. A process for the catalytic partial oxidation of a hydrocarbon, such as methane or natural gas, involving contacting the hydrocarbon with an oxidant in the presence of the aforementioned bimetallic catalyst under reaction conditions sufficient to produce synthesis gas, that is, to a mixture of hydrogen and carbon monoxide.

Bifunctional catalysts and systems and methods for oxidative dehydrogenation of alkanes to olefins and high-valued products
11724247 · 2023-08-15 ·

Bifunctional catalyst compositions, methods, and systems are provided for the use of CO.sub.2 as a soft oxidizing agent to effectively convert low-value small alkanes to high-value small olefins. The bifunctional catalyst comprises a metal oxide catalyst and a redox-active ceramic support.

System and method of producing carbon nanotubes
11718525 · 2023-08-08 · ·

Method of producing short carbon nanotube fibers from a carbonaceous gas.

Black powder catalyst for hydrogen production via bi-reforming

A bi-reforming catalyst that includes treated black powder (primarily hematite), and a method of treating black powder (e.g., from a natural gas pipeline) to give the treated black powder. A bi-reformer having the treated black powder as reforming catalyst, and a method of producing syngas with the bi-reformer.

Catalytically heated fuel processor with replaceable structured supports bearing catalyst for fuel cell

A highly compact heat integrated fuel processor, which can be used for the production of hydrogen from a fuel source, suitable to feed a fuel cell, is described. The fuel processor assembly comprises a catalytic reforming zone (29) and a catalytic combustion zone (28), separated by a wall (27). Catalyst able to induce the reforming reactions is placed in the reforming zone and catalyst able to induce the combustion reaction is placed in the combustion zone, both in the form of coating on a suitable structured substrate, in the form of a metal monolith. Fe—Cr—Al—Y steel foils, in corrugated form so as to enhance the available area for reaction, can be used as suitable substrates. The reforming and the combustion zones can be either in rectangular shape, forming a stack with alternating combustion/reforming zones or in cylindrical shape forming annular sections with alternating combustion/reforming zones, in close contact to each other. The close placement of the combustion and reforming catalyst facilitate efficient heat transfer through the wall which separates the reforming and combustion chambers.

COMPOSITE MATERIAL, ITS MANUFACTURING, GENERATION AND USE IN METHANE CRACKING
20220023845 · 2022-01-27 ·

Here disclosed is a composite catalyst for methane cracking and a method of producing the composite catalyst. The composite catalyst includes a substrate formed of metal oxide, and one or more catalytic transition metals solubilized in the metal oxide, wherein the metal oxide includes a metal which differs from the one or more catalytic transition metals, wherein the metal oxide forms a matrix which the one or more catalytic transition metals are solubilized in to render transition metal ions from the one or more catalytic transition metals, wherein the transition metal ions under a reducing atmosphere diffuse to reside as transition metal nanoparticles at a surface of the substrate and the transition metal nanoparticles under an oxidizing atmosphere diffuse away from the surface to reside as transition metal ions in the metal oxide, and wherein the transition metal nanoparticles at the surface induce carbon from the methane cracking to deposit on the transition metal nanoparticles and have the carbon deposited grow away from the substrate.