C01B2203/16

METHOD AND SYSTEM FOR CONTROLLING PRODUCTION AND STORAGE OF INDUSTRIAL GASES

An industrial gas production plant operable to produce a feedstock gas at a variable production rate for supply to the downstream process; and a gas storage resource operable to store produced feedstock gas, the method comprising: determining the pressure of feedstock gas in a supply feed line to the downstream process; selectively controlling, using a control system, a flow of feedstock gas from the supply feed line to the gas storage resource or from the gas storage resource to the supply feed line in response to the determined pressure in order to regulate the pressure of the feedstock gas in the supply feed line to the downstream process at a predetermined set point pressure; and selectively controlling, using a control system, a flow rate of feedstock gas in the supply feed line to the downstream process in dependence upon at least one operational parameter of the gas storage resource.

SOLID OXIDE FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME USING PEAK SHAVING GAS

A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O.sub.2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.

Systems and methods for determining the composition of gaseous fuel
10393721 · 2019-08-27 · ·

Disclosed are methods, systems, and computer-readable mediums for determining the composition of gaseous fuel. An initial gaseous fuel stream is provided that includes methane, non-methane hydrocarbons, and inert gases. Air is mixed into the initial fuel stream upstream of a first catalyst. The first catalyst oxidizes only the non-methane hydrocarbons of the initial fuel stream to produce a resultant fuel stream comprising methane and inert gases. Air is mixed into the resultant fuel stream downstream of the first catalyst and upstream of a second catalyst. The second catalyst oxidizes only the methane hydrocarbons of the resultant fuel stream to produce an output fuel stream. Mole ratios of the methane, the non-methane hydrocarbons, and the inert gases of the initial fuel stream are each determined.

Gas production system and gas production method

This gas production system includes: a gas production device having a reactor forming a flow path for a treatment target gas, a first electrode and a second electrode to which voltage is applied, and a catalyst layer provided in the flow path and containing a catalyst; voltage generation means for generating voltage to be applied to the first electrode and the second electrode; and gas supply means for supplying the treatment target gas to the gas production device. The voltage generation means has frequency setting means for setting the frequency of the voltage in accordance with the treatment target gas, plasma generated between the first electrode and the second electrode is applied to the catalyst layer, and the treatment target gas is reformed to obtain a product gas.

SOLID OXIDE FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME USING PEAK SHAVING GAS

A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O.sub.2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.

SOFC system and method of operating a SOFC system
10297847 · 2019-05-21 · ·

A SOFC system having a fuel reformer for reforming a gaseous hydrocarbon stream and steam into a hydrogen rich gas, a solid oxide fuel cell stack including an anode and a cathode for electrochemically reacting the hydrogen rich gas and a cathode air stream to produce electricity, an anode exhaust stream and a cathode depleted air stream. The anode exhaust stream and the cathode depleted air stream are kept separate, a burner for combusting a mixture of the anode exhaust stream and a fresh air stream to complete combustion and produce heat for the reformer control unit and a blower are also provided. The control unit controlling the blower for controlling the mass flow rate of the fresh air stream to provide heat to the reformer to reform the gaseous hydrocarbon stream and to produce a burner exhaust stream.

HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES
20190118132 · 2019-04-25 · ·

Hydrogen generation assemblies, hydrogen purification devices, and their components are disclosed. In some embodiments, the devices may include a permeate frame with a membrane support structure having first and second membrane support plates that are free from perforations and that include a plurality of microgrooves configured to provide flow channels for at least part of the permeate stream. In some embodiments, the assemblies may include a return conduit fluidly connecting a buffer tank and a reformate conduit, a return valve assembly configured to manage flow in the return conduit, and a control assembly configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure in the buffer tank and configured to direct the return valve assembly to allow product hydrogen stream to flow from the buffer tank to the reformate conduit when the fuel processing assembly is in the standby mode.

Apparatus for supplying gas including an ion chamber and a gas supply unit connected to the ion chamber

An apparatus for supplying gas includes: an ion chamber; and a gas supply unit connected to the ion chamber, wherein the gas supply unit includes: a case having an internal space; an inactive gas supply unit connected to the ion chamber; and a hydrogen gas supply unit installed inside or outside of the case, wherein the hydrogen gas supply unit includes: a hydrogen gas generator generating hydrogen gas; a controller connected to the hydrogen gas generator; a dehumidifying filter connected to the controller and removing moisture from the hydrogen gas; and a purifying filter connected to the dehumidifying filter and removing an impurity from the hydrogen gas, wherein the hydrogen gas generator is configured to generate the hydrogen gas through a chemical reaction between a reactant and a hydrogen-containing solid raw material.

METHODS AND SYSTEMS FOR PROVIDING INTELLIGENT AUTONOMOUS HYDROGEN PRODUCTION MANAGEMENT

Example methods, apparatuses, systems, and computer program products are provided. For example, an example computer-implemented method includes receiving a plurality of runtime hydrogen production variable indicators from a hydrogen production control system associated with a hydrogen production facility, generating at least one predicted hydrogen production operation indicator. Further, in response to determining that the at least one predicted hydrogen production operation indicator does not satisfy the at least one corresponding hydrogen production operation threshold indicator, generating an adjusted hydrogen production variable indicator corresponding to a runtime hydrogen production variable indicator, and transmitting the adjusted hydrogen production variable indicator to the hydrogen production control system.

Method and device for producing syngas
10207924 · 2019-02-19 ·

Methods and devices are provided for producing syngas with an adjustable molar CO/H.sub.2 ratio. Syngas can have different proportions of CO and H.sub.2 (molar CO/H.sub.2 ratio) depending on the type and composition of starting materials. To set the desired molar CO/H.sub.2 ratio, a first sub-process is combined with at least one additional sub-process selected from: a sub-process T.sub.2 by which a second syngas B is generated from the starting material, the syngas having a molar ratio (V.sub.2) of CO to H.sub.2, wherein V.sub.1V.sub.2; a sub-process T.sub.3 by which the hydrocarbon(s) of the hydrocarbon-containing starting material is/are split substantially into solid carbon and hydrogen; and a sub-process T.sub.4 based on the reaction equation: CO+H.sub.2O.fwdarw.2CO.sub.2+H.sub.2. The methods and devices are suitable for producing syngas useful as a starting material in a plurality of chemical syntheses, for example oxo, Fischer-Tropsch, or Reppe syntheses.