C01B2203/041

Composite media for non-oxidative ethane dehydrogenation, and related ethane activation systems and method of processing an ethane-containing stream

A composite media for non-oxidative C2H6 dehydrogenation comprises an aluminosilicate zeolite matrix, and an EDH catalyst on one or more of an external surface of the aluminosilicate zeolite matrix and internal surfaces within pores of the aluminosilicate zeolite matrix. The EDH catalyst comprises one or more of Fe, Zn, Pt, Ga, alloys thereof, and oxides thereof. A C2H6 activation system, and a method of processing a C2H6-containing stream are also described.

Catalytic decomposition of hydrocarbons for the production of hydrogen and carbon
11685651 · 2023-06-27 ·

A new process for the decomposition of hydrocarbon feed stream(s) that achieves the conversion of a hydrocarbon feed stream to hydrogen and filamentous carbon, with minimal resulting production of carbon oxides is described herein. In this invention it is proposed to achieve the hydrocarbon conversion by the use of dual fluidized bed reaction zones, fluidly connected, for (i). hydrocarbon reaction (the reactor) and (ii). catalyst regeneration and heating (the regenerator) and to use a transition metal supported catalyst to achieve high hydrocarbon conversion and to produce high quality filamentous carbon.

SYSTEMS AND METHODS FOR INCREASING THE HYDROGEN PERMEANCE OF HYDROGEN-SEPARATION MEMBRANES IN SITU

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.

Integrated reformer and syngas separator
09840413 · 2017-12-12 · ·

A reformer assembly for a fuel cell includes a vortex tube receiving heated fuel mixed with steam. A catalyst coats the inner wall of the main tube of the vortex tube and a hydrogen-permeable tube is positioned in the middle of the main tube coaxially with the main tube.

Integrated production of hydrogen, petrochemicals, and power

A processing facility is provided. The processing facility includes an asphaltenes and metals (AM) removal system configured to process a feed stream to produce a power generation stream, a hydroprocessing feed stream, and an asphaltenes stream. A power generation system is fed by the power generation feed stream. A hydroprocessing system is configured to process the hydroprocessing feed stream to form a gas stream and a liquid stream. A hydrogen production system is configured to produce hydrogen, carbon monoxide and carbon dioxide from the gas feed stream. A carbon dioxide conversion system is configured to produce synthetic hydrocarbons from the carbon dioxide, and a cracking system is configured to process the liquid feed stream.

Engine system with catalytic reactor

An engine system includes an engine configured to combust liquid natural gas and generate an exhaust gas comprising methane; a catalytic reactor coupled downstream of the engine and configured to convert methane into a product through one or more of oxidative coupling of methane (OCM) reaction and steam methane reforming (SMR) reaction; and a recirculation loop configured to recirculate at least a part of the product back to the engine.

Liquid fuel CPOX reformer and fuel cell systems, and methods of producing electricity
11254568 · 2022-02-22 · ·

Integrated liquid fuel catalytic partial oxidation (CPOX) reformer and fuel cell systems can include a plurality or an array of spaced-apart CPOX reactor units, each reactor unit including an elongated tube having a gas-permeable wall with internal and external surfaces. The wall encloses an unobstructed gaseous flow passageway. At least a portion of the wall has CPOX catalyst disposed therein and/or comprising its structure. The catalyst-containing wall structure and open gaseous flow passageway enclosed thereby define a gaseous phase CPOX reaction zone, the catalyst-containing wall section being gas-permeable to allow gaseous CPOX reaction mixture to diffuse therein and hydrogen rich product reformate to diffuse therefrom. The liquid fuel CPOX reformer also can include a vaporizer, one or more igniters, and a source of liquid reformable fuel. The hydrogen-rich reformate can be converted to electricity within a fuel cell unit integrated with the CPOX reactor unit.

METHOD AND SYSTEM FOR PRODUCING CARBON DIOXIDE, PURIFIED HYDROGEN AND ELECTRICITY FROM A REFORMED PROCESS GAS FEED

Method and system for producing CO2, purified hydrogen and electricity from a reformed process gas feed using a solid oxide fuel cell. The method having the steps of: introducing the reformed process gas into the solid oxide fuel cell; converting hydrogen and CO of the reformed process gas in combination with oxygen into an anode off-gas including steam, CO.sub.2 and unconverted process gas; introducing the anode off-gas into a high temperature water gas shift reactor; in the high temperature water-gas shift reactor, converting CO and steam into CO.sub.2 and hydrogen, introducing the gas exiting the high temperature water-gas shift reactor into a low temperature water-gas shift membrane reactor, in the low temperature water-gas shift membrane reactor, converting CO and steam into CO.sub.2 and hydrogen, whereby the low temperature water-gas shift membrane reactor comprises a hydrogen pump producing purified hydrogen on a permeate side, while removing hydrogen from a feed side.

Auto thermal reforming (ATR) catalytic structures

An autothermal reforming catalytic structure for generating hydrogen gas from liquid hydrocarbons, steam and an oxygen source. The autothermal reforming catalytic structure includes a support structure and nanosized mixed metal oxide particles dispersed homogenously throughout the support structure.

A SHELL-AND-TUBE TYPE REACTOR FOR REFORMING NATURAL GAS AND A PREPARATION METHOD OF SYNGAS OR HYDROGEN GAS BY USING THE SAME
20170216806 · 2017-08-03 ·

The present invention relates to a shell-and-tube type reactor for reforming natural gas and a method for manufacturing syngas or hydrogen gas by using the same. According to the present invention, a shell-and-tube type reactor for reforming natural gas comprises a reaction catalyst for reforming natural gas, which is filled in a reactor shell; at least one tube for separating hydrogen; and a tube for an exothermic reaction or a tube type heat-exchanger for heating, which is disposed at the center of the reactor so as to have excellent operating efficiency and enable production of high-purity hydrogen and collection of carbon dioxide simultaneously along with a reaction.