EP4515211A1 - Système de mesure et de transmission d'une teneur variable en dihydrogène pour un récepteur externe - Google Patents
Système de mesure et de transmission d'une teneur variable en dihydrogène pour un récepteur externeInfo
- Publication number
- EP4515211A1 EP4515211A1 EP23723870.4A EP23723870A EP4515211A1 EP 4515211 A1 EP4515211 A1 EP 4515211A1 EP 23723870 A EP23723870 A EP 23723870A EP 4515211 A1 EP4515211 A1 EP 4515211A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dihydrogen
- unit
- content
- natural gas
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
Definitions
- TITLE System for measuring and transmitting a variable dihydrogen content for an external receiver
- the present invention relates to a system for measuring in real time a variable content of dihydrogen present in a gas flow and transmitting information representative of said dihydrogen content measured in the gas flow to at least one receiver external different from a dihydrogen burner.
- the invention also relates to a method for measuring in real time a variable dihydrogen content present in a gas flow and transmitting information representative of said dihydrogen content measured in the gas flow to at least one receiver external different from a dihydrogen burner.
- the invention also relates to a method for optimizing a process for producing dihydrogen, preferably chosen from the group consisting of decomposition of natural gas, cracking of ammonia, by steam reforming of natural gas or by electrolysis of water, or a process for separating a mixture of natural gas and dihydrogen, in particular a separation process by membrane or electrolysis.
- the invention also relates to an assembly comprising at least one system for producing a gas flow comprising a variable content of dihydrogen, connected to at least one system for measuring in real time a variable content of dihydrogen present in the gas flow and transmission of information representative of said measured dihydrogen content to at least one system different from a dihydrogen burner.
- dihydrogen for example from carbon-free or renewable sources, particularly in mixtures based on natural gas, currently seems to represent an advantageous and promising solution for reducing greenhouse gas emissions in many applications.
- Dihydrogen also has the advantage of being able to be injected directly into current natural gas transport, distribution or storage networks, which makes it possible to transport hybrid mixtures based on natural gas and dihydrogen without necessarily generating costs. additional high investment in the establishment of specialized infrastructure.
- Dihydrogen can be obtained by decomposition of natural gas or ammonia, by steam reforming of natural gas with possibly a carbon dioxide capture step, by gasification of coal or biomass, or pyrolysis of methane, or even by decomposition water, in particular by electrolysis.
- Dihydrogen can also be obtained by separating dihydrogen mixed with natural gas, in particular through the implementation of a membrane or electrochemical separation method within a mixture based on natural gas and dihydrogen.
- this conversion rate generally represents an important factor to take into consideration when implementing industrial processes controlled by a dihydrogen production process.
- the parameters aiming to influence the rate of transformation of an initial flow, gas or liquid, into dihydrogen may be interesting to monitor and control in order to best optimize the dihydrogen content obtained and to lead to gas flows further enriched in dihydrogen.
- the solutions currently proposed consist, for example, of using gas flows having a fixed average concentration of dihydrogen depending on the desired industrial application.
- one of the objectives of the present invention is to implement a system capable of precisely controlling in real time the variable dihydrogen content at a given instant in an initial flow, liquid or gas, in particular in order to best optimize the management of processes linked to the production or separation of hydrogen.
- the system according to the invention also makes it possible to measure and communicate in real time the dihydrogen content obtained in particular from a carbon-free source, for example obtained from a water electrolysis process or from an ammonia cracking process, or obtained from a carbon source, for example through a methane pyrolysis process or natural gas steam reforming during which the carbon dioxide emitted is possibly captured.
- a carbon-free source for example obtained from a water electrolysis process or from an ammonia cracking process, or obtained from a carbon source, for example through a methane pyrolysis process or natural gas steam reforming during which the carbon dioxide emitted is possibly captured.
- the method according to the invention comprises a step of controlling the step of producing the gas flow comprising a variable content of dihydrogen or the step of separating a mixture of natural gas and dihydrogen as a function of the representative information on the dihydrogen content transmitted during the processing and transmission step.
- the process according to the invention is advantageously a process for optimizing a process for producing dihydrogen chosen from the group consisting of the decomposition of natural gas, the steam reforming of natural gas, the ammonia cracking, water electrolysis, or a process for separating a mixture of natural gas and dihydrogen.
- the optimization process thus implemented makes it possible to maximize the dihydrogen content obtained in a gas flow at the outlet of a production or separation process as described above.
- the invention also relates to an assembly comprising at least one system for producing a gas flow comprising a variable content of dihydrogen, connected to at least one measurement and transmission system, as defined above, and at least one system different from a dihydrogen burner.
- the measurement and transmission system comprises: at least one unit for measuring the dihydrogen content present in the gas flow passing through said system, at least one unit for processing and transmitting the information representative of said dihydrogen content determined by said measuring unit towards at least one receiver external to said system not burning dihydrogen.
- the external receiver is as defined previously.
- the measuring unit determines in real time the dihydrogen content present in a gas flow, preferably in a gas flow obtained at the outlet of a dihydrogen production process or a dihydrogen separation process within of a mixture based on natural gas and dihydrogen.
- the measuring unit determines in real time the dihydrogen content present in a gas flow from a dihydrogen production unit by decomposition of natural gas or ammonia, or by steam reforming of natural gas, or gasification of coal or biomass, or from a unit of separation of dihydrogen from a mixture based on natural gas and dihydrogen.
- the gas flow comprises a variable content of dihydrogen.
- variable dihydrogen content is meant for the purposes of the present invention, that the average concentration of dihydrogen is not limited to a predetermined fixed content whether in the gas flow obtained at the outlet of a production process. or separation of dihydrogen as described above, or in the initial flow before implementing the process for producing or separating dihydrogen.
- real-time measurement is meant, within the meaning of the present invention, that the measuring unit is capable of measuring continuously and in real time the dihydrogen content present in the gas flow.
- external receiver not burning dihydrogen in the sense of the present invention is meant a receiver different from a receiver of a combustion system or a unit intended to control the combustion, in particular the combustion parameters, of the gas flow comprising dihydrogen. Furthermore, the receiver is not included in the measurement and transmission system according to the invention.
- the receiver external to the system according to the invention is a system for controlling a dihydrogen production unit, as defined previously, or a dihydrogen separation unit within a mixture based on natural gas and dihydrogen.
- the measuring unit preferably comprises one or more means capable of measuring the dihydrogen content by spectroscopy.
- the measuring unit comprises one or more means for measuring the dihydrogen content by spectroscopy, in particular having an acquisition frequency of less than 5 seconds, preferably less than 1 second.
- the measuring unit comprises one or more means capable of measuring the molar, mass or volume concentration of dihydrogen in the gas flow by spectroscopy, having an acquisition frequency of less than 5 seconds, more preferably a frequency of acquisition less than 1 second.
- the measuring unit preferably comprises one or more means of measuring the dihydrogen content contained in the gas flow by spectroscopy, in particular by Raman spectroscopy or by absorption spectroscopy of a laser beam and analysis of the signal by wavelength modulation.
- the measuring means are in particular devices for measuring by spectroscopy, in particular by Raman spectroscopy or by absorption spectroscopy of a laser beam and analysis of the signal by wavelength modulation.
- the measuring unit comprises one or more sensors capable of measuring the dihydrogen content by spectroscopy, more particularly by Raman spectroscopy or by absorption spectroscopy of a laser beam and analysis of the signal by length modulation d 'wave.
- the measurement unit can also determine the concentration of other elements present in the gas flow, that is to say the concentration of elements other than dihydrogen coming from the dihydrogen production or separation unit.
- the measurement unit can determine for example the content of natural gas not converted into dihydrogen by the dihydrogen production unit, for example the content of methane, butane or propane, or even the concentration of residues resulting from the decomposition of the natural gas or the ammonia cracking process.
- the measurement and transmission system further comprises one or more means for measuring the flow rate of the gas flow passing through said system.
- the means of measuring the flow rate of the natural gas flow may be distinct or form an integral part, preferably distinct, of the unit of measurement determining the dihydrogen content.
- the means of measuring the flow rate of the gas flow can be included in a unit of measurement of the flow rate of the gas flow distinct from the unit of measurement.
- the flow measurement means(s) may correspond to flow sensors, preferably mass or volume sensors, of the gas flow passing through said system.
- the flow measurement means are chosen from the group consisting of mechanical flow meters, thermal flow meters, differential pressure flow meters or ultrasonic flow meters.
- the flow measurement means(s) can measure a mass or volume flow of the gas flow passing through said system, preferably with an accuracy uncertainty of less than 1%, more preferably with an uncertainty of less than 0.5%.
- the measurement and transmission system according to the invention comprises one or more means for measuring the mass flow rate of the gas flow passing through said system.
- the measurement and transmission system comprises one or more Coriolis effect mass flow meters or one or more thermal mass flow meters.
- the processing and transmission unit makes it possible, on the one hand, to process the information representative of the dihydrogen content measured by the measuring unit, as described previously, and, on the other hand, to transmit said information to at least one receiver external to said system.
- the processing and transmission unit comprises one or more means capable of converting the dihydrogen content measured by the measurement unit, previously described, into information representative of the dihydrogen content, in particular into a signal of representative measurement of the dihydrogen content.
- the processing of information relating to the dihydrogen content can be done digitally using a microprocessor and a computer algorithm.
- the information representative of the dihydrogen content can be transmitted by wire or not, preferably wirelessly, for example by a radio connection, to at least one system other than a combustion system or a unit intended to control combustion parameters.
- the processing and transmission unit also makes it possible, on the one hand, to process the information representative of the dihydrogen content measured by the measuring unit, as described previously, and the information representative of the flow rate. of the gas flow passing through the system according to the invention and, on the other hand, to transmit said information to at least one system other than a combustion system or a unit intended to control the combustion parameters.
- the measuring unit comprises one or more sensors for measuring the dihydrogen content by spectroscopy and the processing and transmission unit comprises one or more means capable of converting the dihydrogen measurement into a signal representative of said content and to transmit said signal by wire or not, preferably wirelessly, for example by a radio connection, to at least one system different from a combustion system or a unit intended to control the combustion parameters.
- the data thus transmitted can correspond to the value of the measured quantity of dihydrogen contained in the gas flow and the value of the flow rate of the gas flow
- the invention also relates to the use of the measurement and transmission system, as described above, to determine the dihydrogen content contained in a gas flow and transmit the information representative of said dihydrogen content to at least one external receiver. not burning dihydrogen.
- the system is used in a dihydrogen production unit, in a natural gas station supplied by at least one dihydrogen production unit.
- the dihydrogen production unit may be an ammonia cracking unit, a natural gas steam reforming unit, possibly with carbon dioxide capture, a coal gasification unit, a natural gas decomposition unit. or a water electrolysis unit.
- the dihydrogen production unit may be a natural gas steam reforming unit, with possible carbon dioxide capture, a natural gas decomposition unit or a dihydrogen production unit by electrolysis of water.
- the external receiver is as defined above and corresponds to a system for controlling a dihydrogen production unit, as defined previously, or a unit for separating dihydrogen within a mixture based on natural gas and of dihydrogen.
- the system according to the invention can be used to control a system for producing dihydrogen (or a gas flow comprising a variable content of dihydrogen) chosen from the group consisting of a natural gas decomposition system, a cracking system ammonia, a natural gas steam reforming system, a dihydrogen production system by water electrolysis.
- a system for producing dihydrogen or a gas flow comprising a variable content of dihydrogen chosen from the group consisting of a natural gas decomposition system, a cracking system ammonia, a natural gas steam reforming system, a dihydrogen production system by water electrolysis.
- the natural gas decomposition system can be implemented by heating, in particular by plasma heating, induction heating, microwave heating, or by shock wave.
- the system according to the invention can be used to control a system for separating dihydrogen and natural gas, in particular a system for membrane separation or by electrolysis.
- Another object of the present invention relates to a method for measuring in real time the dihydrogen content contained in a gas flow and transmitting information representative of said dihydrogen content to at least one receiver not burning dihydrogen , comprising: a step of distributing a gas flow comprising a variable dihydrogen content, a step of measuring the variable dihydrogen content contained in the gas flow, a step of processing and transmitting the information representative of said dihydrogen content determined during the measuring step to at least one non-burning receiver no dihydrogen.
- the measurement step makes it possible to determine in real time the dihydrogen content present in a gas flow obtained at the outlet of a dihydrogen production unit or a dihydrogen separation unit within a mixture based on natural gas and dihydrogen.
- the dihydrogen present in the gas flow can come from a carbon-free or carbon-based source, preferably carbon-free.
- the dihydrogen can come from a carbon source, preferably capable of being obtained by a steam reforming process possibly comprising at least one carbon dioxide capture step.
- the step of measuring the dihydrogen content is preferably implemented by Raman spectroscopy or by absorption spectroscopy of a laser beam and analysis of the signal by wavelength modulation.
- the method comprises a step of measuring the dihydrogen content contained in the gas flow, by spectroscopy and a step of measuring the flow rate of the gas flow.
- the process according to the invention is a process for optimizing a process for producing dihydrogen, preferably chosen from the group consisting of decomposition of natural gas, cracking of ammonia, by steam reforming of natural gas or by electrolysis of water, or a process for separating a mixture of natural gas and dihydrogen, in particular a membrane separation process or electrolysis.
- the method according to the invention thus makes it possible to control one or more operating parameters of a dihydrogen production unit or a unit for separating a mixture of natural gas and dihydrogen, in particular the temperature and pressure conditions. , the electric field, the flow rate of the flow entering the production or separation unit, as a function of the information on the dihydrogen content.
- the invention also relates to an assembly comprising at least one system for supplying a flow of gas containing a variable content of dihydrogen, connected to at least one measurement and transmission system, as defined above, and at least one system different from a dihydrogen burner.
- the gas flow supply system comprises at least one unit for producing dihydrogen (or a flow comprising a variable content of dihydrogen) or a unit for separating a mixture of natural gas and dihydrogen.
- the gas flow supply system comprises at least one distribution unit for a gaseous or liquid flow, intended to be routed to at least one dihydrogen production unit or a gas mixture separation unit. natural and dihydrogen.
- the flow from the distribution unit is chosen from the group consisting of a flow comprising natural gas or a mixture of natural gas, a flow comprising ammonia, a flow comprising a mixture of natural gas and dihydrogen, or a liquid flow comprising water.
- the dihydrogen production unit (or a stream comprising a variable dihydrogen content) is chosen from the group consisting of a natural gas decomposition unit, a natural gas steam reforming unit possibly equipped with a carbon dioxide capture system, an ammonia cracking unit, or a dihydrogen production unit by water electrolysis.
- the unit for producing dihydrogen is chosen from the group consisting of by a natural gas decomposition unit, an ammonia cracking unit, or a dihydrogen production unit by water electrolysis.
- the separation unit for a mixture of natural gas and dihydrogen is a membrane or electrolysis separation unit.
- the separation unit for a mixture of natural gas and dihydrogen is a membrane separation unit, for example a membrane in the form of polymer, ceramic or in liquid form.
- the flow, gaseous or liquid, from the distribution unit is routed to the production or separation unit, as described previously, to be transformed or converted into dihydrogen or a flow having an enriched dihydrogen content.
- the output flow from the production or separation unit includes an increased dihydrogen content compared to the input flow from said production or separation unit.
- the different system of a dihydrogen burner is notably different from a combustion system or a unit intended to control combustion.
- the system different from a dihydrogen burner is a system for controlling the dihydrogen production unit, as described above, or the unit for separating the mixture of natural gas and dihydrogen as defined below. -Before.
- the system different from a dihydrogen burner receives information representative of the dihydrogen content coming from the measurement and transmission system according to the invention.
- control system is particularly capable of controlling (or acting on) one or more parameters of the dihydrogen production unit or of the unit for separating the mixture of natural gas and dihydrogen, as defined above, to improve the transformation of the flow entering the dihydrogen production or separation unit as a function of said information representative of the dihydrogen content received.
- control system makes it possible in particular to enrich the output flow of the production or separation unit with dihydrogen, as defined above, in relation to the input flow by acting on one or several parameters of the production or separation unit, for example the conditions of temperature, pressure, the flow rate of the flow entering said units, the induced electric field.
- parameters of the production or separation unit for example the conditions of temperature, pressure, the flow rate of the flow entering said units, the induced electric field.
- FIG. 1 there is shown an assembly 10 comprising a distribution unit 1 of a gaseous or liquid flow, a production unit 2 of a flow containing a variable content of dihydrogen, a system 3 for measuring the content of dihydrogen and transmission of information representative of said content to a system 4 different from a dihydrogen burner.
- the distribution unit 1 routes a flow, gaseous or liquid, via at least one connection circuit la towards the production unit 2 so that the flow is treated to be transformed or converted at least in part into dihydrogen.
- the flow thus conveyed may be a flow comprising natural gas or a mixture of natural gas, a flow comprising ammonia, a flow comprising a mixture of natural gas and dihydrogen, or even a liquid flow comprising water.
- the production unit 2 is connected to the measurement and transmission system 3 via a connection circuit 2a. In this way, the flow comprising a variable content of dihydrogen is routed to system 3.
- the production unit 2 makes it possible to transform or convert at least part of the input stream into a gas stream comprising an enriched dihydrogen content.
- the dihydrogen content in the outlet flow of unit 2 is greater than the dihydrogen content present in the inlet flow.
- the coupling of the distribution unit 1 and the production unit 2 can constitute a distribution system 20 of a gas flow containing a variable content of dihydrogen.
- the system 3 comprises at least one measurement unit 30 of the variable content of dihydrogen present in the gas flow coming from the production unit 2, and at least one processing and transmission unit 31 of the information representative of said content in dihydrogen determined by said unit of measurement 30.
- the measuring unit 30 determines in real time the content of dihydrogen present in the gas flow coming from the dihydrogen production unit 2.
- the unit 30 may include one or more sensors for measuring the dihydrogen content implemented by spectroscopy, preferably by Raman spectroscopy.
- the unit 31 on the one hand, digitally processes the information representative of the dihydrogen content measured by the measuring unit 30 and, on the other hand, transmits said information, by wire or radio, to the system 4.
- the system 3 may further comprise a unit 32 for measuring the flow rate of the gas flow passing through the system.
- the measuring unit 32 may include flow sensors, for example gas flow mass sensors.
- the system 4 includes a receiver 40 of information representative of the dihydrogen content measured by the measurement unit 30.
- the system 4 also includes a unit 41 capable of controlling the dihydrogen production unit 2, in particular one or more operating parameters of the dihydrogen production unit 2, to improve the conversion rate into dihydrogen.
- unit 41 of system 4 controls one or more control parameters of the dihydrogen production process implemented in unit 2 in a closed loop to optimize the dihydrogen concentration in the gas flow leaving unit 2.
- the production unit 2 may preferably be a unit for decomposing a stream comprising natural gas or a mixture of natural gas, a unit for steam reforming a stream comprising natural gas or a mixture of natural gas, a unit for cracking a stream comprising ammonia or a water electrolysis unit.
- unit 2 can be a separation unit for a mixture of natural gas and dihydrogen.
- unit 2 is a unit for separating a mixture of natural gas and dihydrogen by membrane or by electrolysis.
- unit 1 distributes a flow comprising a mixture of natural gas and dihydrogen and unit 2 aims to separate, for example by means of a membrane or electrolysis, the mixture of gases. natural and dihydrogen to recover a stream containing a dihydrogen content.
- the coupling of the distribution unit 1 and the separation unit 2 can constitute a distribution system 20 of a gas flow comprising a variable content of dihydrogen.
- the measuring unit 30 determines in real time the content of dihydrogen present in the gas flow coming from the separation unit 2 of the mixture of natural gas and dihydrogen.
- unit 41 of system 4 controls one or more control parameters of the process for separating the mixture of natural gas and dihydrogen in a closed loop to improve the hydrogen recovery rate.
- system 4 can act and/or control the separation method, by membrane or electrolysis, implemented by the separation unit 2.
- System 3 advantageously makes it possible to quantify the dihydrogen taken from a natural gas and dihydrogen network in order to supply a dihydrogen distribution station.
- system 3 makes it possible to measure and share in real time the instantaneous content of dihydrogen present in the gas flow passing through assembly 10.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2203995A FR3135143A1 (fr) | 2022-04-28 | 2022-04-28 | Système de mesure et de transmission d’une teneur variable en dihydrogène pour un récepteur externe |
| PCT/EP2023/061316 WO2023209187A1 (fr) | 2022-04-28 | 2023-04-28 | Système de mesure et de transmission d'une teneur variable en dihydrogène pour un récepteur externe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4515211A1 true EP4515211A1 (fr) | 2025-03-05 |
Family
ID=82781363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23723870.4A Pending EP4515211A1 (fr) | 2022-04-28 | 2023-04-28 | Système de mesure et de transmission d'une teneur variable en dihydrogène pour un récepteur externe |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20260126423A1 (fr) |
| EP (1) | EP4515211A1 (fr) |
| JP (1) | JP2025515607A (fr) |
| KR (1) | KR20250008886A (fr) |
| FR (1) | FR3135143A1 (fr) |
| WO (1) | WO2023209187A1 (fr) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4721525B2 (ja) * | 2001-01-19 | 2011-07-13 | 東京瓦斯株式会社 | 都市ガス供給方法及び装置 |
| JP4775708B2 (ja) * | 2006-04-04 | 2011-09-21 | 独立行政法人日本原子力研究開発機構 | 水素ガス検知材とその被膜方法 |
| US7385692B1 (en) * | 2006-04-28 | 2008-06-10 | The United Of America As Represented By The Administrator Of Nasa | Method and system for fiber optic determination of gas concentrations in liquid receptacles |
| JP3144884U (ja) * | 2008-07-04 | 2008-09-18 | 功 村上 | 水素貯蔵ステーションにおける水素ガス漏洩検知装置 |
| FR3064718B1 (fr) * | 2017-03-28 | 2019-06-14 | Aristot | Dispositif et procede de controle de gaz combustible |
| JP2023505566A (ja) * | 2019-12-11 | 2023-02-09 | オプティクゲイン エルティーディー. | 中空コア・ファイバ内のガスのリアルタイム高分解能分子分析のための誘導ラマン分光法 |
| CN113639198A (zh) * | 2021-08-02 | 2021-11-12 | 浙江大学 | 一种基于绿氢掺氧预防掺氢天然气管道氢脆的系统及方法 |
-
2022
- 2022-04-28 FR FR2203995A patent/FR3135143A1/fr active Pending
-
2023
- 2023-04-28 US US18/861,088 patent/US20260126423A1/en active Pending
- 2023-04-28 JP JP2024563360A patent/JP2025515607A/ja active Pending
- 2023-04-28 KR KR1020247039042A patent/KR20250008886A/ko active Pending
- 2023-04-28 EP EP23723870.4A patent/EP4515211A1/fr active Pending
- 2023-04-28 WO PCT/EP2023/061316 patent/WO2023209187A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250008886A (ko) | 2025-01-16 |
| WO2023209187A1 (fr) | 2023-11-02 |
| US20260126423A1 (en) | 2026-05-07 |
| FR3135143A1 (fr) | 2023-11-03 |
| JP2025515607A (ja) | 2025-05-20 |
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