Hydrogen - key energy carrier to reach decarbonization goals
How to ensure quality and regulatory compliance along the hydrogen value chain
In the transition towards a net zero economy, hydrogen is emerging as a promising energy carrier to reduce carbon emissions in the oil and gas industry. Hydrogen presents challenges for transport, storage and use, therefore expert consultation on accurate and reliable measurement is essential. Our portfolio enables safe operation with optimal performance while providing regulatory and environmental compliance with traceability and documentation.
USD 80 billion
average annual global investment in H2 infrastructure to increase tenfold by 2050 (IEA)
It is important that highly reliable measurement instrumentation is used throughout the hydrogen value chain – from production to end use. To guarantee fair transactions and accountability, Coriolis meters must measure the amount of hydrogen transferred accurately. To comply with quality standards, hydrogen quality measurement also plays a crucial role. Endress+Hauser offers best-fit instrumentation and solutions for hydrogen production as well as liquefaction plants.
Broad portfolio: high-performing measurement equipment from one single supplier
We are unique in providing accurate and reliable quality, quantity and composition measurement
State-of-the-art communication protocols available across all measurement points for seamless integration
Easy installation and commissioning: Endress+Hauser Heartbeat Technology health monitoring allows for maintenance-free operation
Data is verified, custody transfer proof and secure
Applications
Hydrogen quality compliance at outlet of electrolyzer
Green hydrogen can be produced by electrolysis plants powered by renewable energy sources such as solar or wind farms and become a way to store significant amounts of energy which can be retrieved on demand. Electrolysis is the process of using electricity to split water into hydrogen and oxygen. Hydrogen must meet high quality standards depending on the transportation method and end use, especially in fuel cells (ISO 14687:2019).
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Optical technologies for moisture (H2O) and oxygen (O2) measurements offer maintenance-free operation due to their inherent robustness and reliability. Endress+Hauser’s Optical Analysis measurement devices offer the following benefits:
Very fast response times for identifying process impurities
No moving parts, no electrolytes, and long-lasting optics enable extremely low maintenance
Very reliable construction using solid state sensing elements means extremely high uptime
Easy to install and commission with Heartbeat Technology health monitoring allows maintenance-free operation for years
Hydrogen can be transported using the existing natural gas infrastructure depending on the pipelines. Every incremental amount of hydrogen injected into a natural gas fuel system or pipeline abates some amount of methane, and thus CO₂. Injection percentages can vary from 10-20% as per the regulations. Relying on accurate flow and composition measurement technology is critical to ensure both quantity and quality of the blends.
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By using Endress+Hauser Coriolis flowmeters, it is easy to measure with high accuracy, stability and ultimately control, the flow of hydrogen into the natural gas grid appropriately. To determine the final mix ratio, you can rely on Raman spectroscopy, which measures the complete gas composition, reliably handling many of the commonly measured natural gas components.
Safe compositional measurements with Raman spectroscopy: with up to four-channel availability and fiber optic lengths up to 150 m, a Raman analyzer can also monitor hydrogen composition over a long length of pipeline after being injected
Inline measurement for enhanced operator safety and fast response times: the probe is located remotely from the analyzer, so no sample is transported to the analyzer
Coriolis flowmeters are capable of multivariable measurement in gas streams, including mass flow, density,
temperature, and corrected volumetric flow
Measuring water quality for green hydrogen production
The electrolysis process requires ultrapure water. To produce 1 kg of hydrogen, 9 kg of ultrapure water is used, which means roughly 30 kg of seawater. Water not meeting quality requirements could impact smooth operation of the electrolyzer thereby increasing OPEX. Conductivity is the leading quality parameter. It is generally limited to <1 μS/cm for alkaline electrolyzers and <0.1 μS/cm for PEM electrolyzers.
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Sea water is a vital source considering scarcity of fresh water in parts of the world. Consequently, distinct treatment steps are necessary to achieve the required water purity for electrolyzer operation. The quality of the feedwater supplied to the reverse osmosis (RO) membrane needs to be closely monitored to control efficiency, trigger cleaning or regeneration and ensure adequate water quality. Endress+Hauser offers a wide range of sensors and analyzers to monitor these processes.
For alkali electrolysis, pH is used to maintain the caustic electrolyte solution; state-of-the-art Memosens 2.0 Technology ensures reliable operation and high uptime
At industrial scale hydrogen plants, also the accurate monitoring of organic contamination (TOC) or impurities like silicate and sodium of the feed water for the electrolyzer becomes more and more important
LOHC – an easy way of hydrogen distribution and storage
Liquid Organic Hydrogen Carriers (LOHC) are organic compounds that will absorb and release hydrogen through chemical reactions. LOHC are considered a feasible method to store and transport hydrogen over long distances using the existing infrastructure.
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During both hydrogenation and dehydrogenation high temperatures occur. Several key measurement points are essential for monitoring and controlling the reaction. Endress+Hauser helps you ensure process efficiency, safety, and product quality.
Broad portfolio of products, services, and solutions
Coriolis, thermal and Vortex flow measurement devices with online, in-situ verification optimizing the hydrogenation processes
Servo displacer technology for liquid hydrogen Tank Gauging
Hydrogen storage in liquid form is a cryogenic process, therefore posing challenges for inventory measurement due to the extreme temperatures -253°C (-423.4°F), boil-off gas and vapor pressure. To ensure safe operation of the tank and precise inventory, reliable level gauges and independent alarm gauges for overfill are essential.
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Endress+Hauser servo gauges provide a contact method of measuring the exact level of the liquid. This measurement method and technology is not influenced by vapor pressure and temperature, thus providing safe, reliable, and accurate level and density measurement of liquid hydrogen.
Enhanced safety through reliable and accurate level and density measurement of liquid hydrogen
Periodic verification without interrupting the operation
Steam methane reforming (SMR) is the most used process to produce hydrogen in refineries. Process challenges include high temperatures, the presence of a catalyst and the need to control the process with minimum variabilities. Blue hydrogen production involves SMR with carbon capture in the process chain.
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The Endress+Hauser portfolio helps you optimize your reforming process efficiency while reducing greenhouse gas emissions. Raman spectroscopy offers several key benefits to improve the efficiency of the SMR process and reduce emissions:
Simultaneous measurement of incoming natural gas and syngas, including H2, for SMR optimization
Measurement at the sample tap, eliminating heated sample transfer lines
Elimination of carrier gases used with traditional approaches
Elimination of flared gas by using non-destructive analysis at high pressure, allowing measured gas to be returned to the process
Hydrogen enables decarbonization, renewables integration, and zero-emission mobility. Its cleanliness and multi-sector applicability provide a holistic approach to clean energy. Global demand comes from refineries, ammonia production, and other industries. Hydrogen production sources include fossil fuels, industrial processes, biomass, and renewables. It is classified as grey, blue, or green based on its source and transported via pipelines, trucks, or ships in gaseous or liquid phase (LH2).
Ensuring accurate measurement throughout production, transportation, and storage is of utmost significance to guarantee efficiency and reliability across the hydrogen supply chain.
Messer produces hydrogen in a steam reformer. The facility has a large number of protection and safety devices where pressure values play an important role.
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Lưu lượng kế
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Mức
Mức
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Phần mềm
Bên cạnh việc cung cấp các công nghệ về hệ thống và đo lường, chúng tôi cũng cung cấp các phần mềm phù hợp cho tất cả các ngành giúp tối ưu tiềm năng cho các quy trình vận hành.
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Sản phẩm hệ thống
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Đo nhiệt độ
Đo nhiệt độ
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Instrumentation Services
Instrumentation Services
Maximize plant performance, minimize OPEX, increase uptime, all with compliance. Partner with Endress+Hauser instrumentation services.
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