B01J2208/00415

Steam reformers, modules, and methods of use

The present disclosure is directed to steam reformers for the production of a hydrogen rich reformate, comprising a shell having a first end, a second end, and a passage extending generally between the first end and the second end of the shell, and at least one heat source disposed about the second end of the shell. The shell comprises at least one conduit member comprising at least one thermally emissive and high radiant emissivity material, at least partially disposed within the shell cavity. The shell further comprises at least one reactor module at least a portion of which is disposed within the shell cavity and about the at least one conduit member and comprises at least one reforming catalyst. The disclosure is also directed to methods of producing a hydrogen reformate utilizing the steam reformers, comprising the steps of combusting a combustible mixture in a burner to produce a combustion exhaust that interacts with the steam reactor module(s) through surface to surface radiation and convection heat transfer, and reforming a hydrocarbon fuel mixed with steam in the steam reformers to produce a hydrogen-containing reformate. The present disclosure is further directed to reactor modules for use with the above steam reformers and methods of producing a hydrogen reformate.

Thermolytic fragmentation of sugars using resistance heating

A process for large scale and energy efficient production of oxygenates from sugar is disclosed in which a sugar feedstock is introduced into a thermolytic fragmentation reactor comprising a fluidized stream of heat carrying particles which are separated from the reaction product and directed to a reheater comprising a resistance heating system.

Continuous tubular reactor and method of operating the same

A continuous tubular reactor includes a rotary reaction tube having a reactant inlet and a product outlet, and including a ceramic; a heating device disposed outside the rotary reaction tube; and an angle adjuster adjusting an angle of a rotation axis of the rotary reaction tube. The angle of the rotation axis is 75° or less with respect to a horizontal surface.

PROCESS TO CONDUCT AN ENDOTHERMIC STEAM REFORMING REACTION IN A FLUIDIZED BED REACTOR
20230271831 · 2023-08-31 ·

The disclosure relates to a process to perform an endothermic steam reforming of hydrocarbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. by passing an electric current through the fluidized bed to conduct the endothermic reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 to 500 Ohm.Math.cm at 800° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

PROCESS TO CONDUCT AN ENDOTHERMIC CATALYTIC CRACKING REACTION IN A FLUIDIZED BED REACTOR
20230271900 · 2023-08-31 ·

The disclosure relates to a process to perform a catalytic cracking reaction of hydrocarbons having at least four carbons, said process comprising the steps of providing a fluidized bed reactor comprising at least two electrodes and a bed comprising particles, wherein the particles are put in a fluidized state to obtain a fluidized bed; heating said bed to a temperature between 500° C. and 850° C. by passing an electric current through the fluidized bed to conduct the reaction. The process is remarkable in that the particles of the bed comprise electrically conductive particles and particles of a catalytic composition, wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity from 0.001 to 500 Ohm.cm at 500° C. and in that the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

PROCESS TO CONDUCT ENDOTHERMIC DIRECT PYROLYSIS OF METHANE IN A FLUIDIZED BED REACTOR
20230271899 · 2023-08-31 ·

The disclosure relates to a process to perform an endothermic methane pyrolysis reaction, said process comprising the steps of providing at least one fluidized bed reactor comprising at least two electrodes; and a bed comprising particles, wherein the particles are put in a fluidized state by passing upwardly through the said bed a fluid stream, to obtain a fluidized bed; heating the fluidized bed to a temperature ranging from 500° C. to 1200° C. to conduct the endothermic methane pyrolysis reaction; wherein the particles of the bed comprise electrically conductive particles and particles of a catalytic composition; wherein at least 10 wt. % of the particles are electrically conductive particles and have a resistivity ranging from 0.001 Ohm.Math.cm to 500 Ohm.Math.cm at 800° C. and wherein the step of heating the fluidized bed is performed by passing an electric current through the fluidized bed.

RENEWABLE ENERGY HYDROCARBON PROCESSING METHOD AND PLANT
20230257263 · 2023-08-17 ·

A plant uses one or more renewable energy sources to facilitate the processing of a hydrocarbon to produce hydrogen, syngas or other products. One renewable energy source is solar energy, which may be harnessed by (a) directly heating a thermal storage medium by way of a concentrated solar thermal (CST) plant; (b) converting the solar energy using photovoltaic cells to produce electricity and using the electricity to heat the thermal storage medium, (c) a combination of both, or (d) converting the solar energy using photovoltaic cells to produce electricity and using the electricity to heat a reactor by way of resistive or inductive heating. The thermal storage medium, when used, is arranged to store enough thermal energy to enable 24-hours a day processing of the hydrocarbon. Electricity derived from PV cells may be used to enable the production of heat for processing when radiant energy from the sun is insufficient.

ELECTRICALLY HEATED REFORMING REACTOR FOR REFORMING OF METHANE AND OTHER HYDROCARBONS
20220134298 · 2022-05-05 ·

Electrically heated reforming reactors and associated reforming processes are disclosed, which benefit from a number of advantages in terms of attaining and controlling the input of heat to catalytic conversion processes such as in the reforming of hydrocarbons (e.g., methane) using H.sub.2O and/or CO.sub.2 as an oxidant. The disclosed reactors provide the ability to target the input of heat to specific regions within a catalyst bed volume. This allows for the control of the temperature profile in one or more dimensions (e.g., axially and/or radially) and/or otherwise tailoring heat input for processing specific reformer feeds, achieving specific reformer products, effectively utilizing the catalyst, and/or compensating for a number of operating parameters (e.g., flow distribution). Dynamic control of the heat input may be used in response to changes in feed or product composition and/or catalyst activity.

DIRECT ELECTRICAL HEATING OF CATALYTIC REACTIVE SYSTEM
20230302421 · 2023-09-28 ·

Methods of heating a reactor system by providing electrical energy are described. A reactor system comprising at least one reactor tube having a catalyst disposed therein and comprises at least one electrically conductive surface is heated by providing electrical energy to the at least one electrically conductive surface on the reactor tube and adjusting a current level of the electrical energy provided to the at least one electrically conductive surface to control the temperature of the reactor tube and the catalyst disposed therein. The reactor tube may be electrically isolated from other electrically conductive components of the reactor system.

DEHYDROGENATION REACTION APPARATUS AND SYSTEM INCLUDING THE SAME

A dehydrogenation reaction apparatus and a system including the same are disclosed. The dehydrogenation reaction apparatus includes: a main housing; and a dehydrogenation reactor which is provided inside of the main housing and has a catalyst provided inside. In particular, the dehydrogenation reactor generates hydrogen from a liquid organic hydrogen carrier (LOHC). The dehydrogenation reaction apparatus further includes: a heating device provided inside of the main housing and configured to apply heat to the dehydrogenation reactor through a phase change material, where the phase change material is provided between the main housing, and the dehydrogenation reactor and the heating device.