Last Updated Thu, 05/02/2024 - 20:22
Video
… This video explains some of hydrogen's unique properties and compares hydrogen and propane flames. … Characteristics of Hydrogen …
Last Updated Thu, 06/19/2025 - 14:44
FAQ
… 521 (Section 5.2.1), which can be argued is the case with hydrogen for typical industrial gas applications. Flares are … there codes or standards addressing the installation of a hydrogen flare system for excess hydrogen production. Some API and NASA documents address …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… (PSM) requirements. When asked about the applicability for hydrogen storage larger than 10,000 lb (4500 kg) being used … in part “…processes containing a threshold quantity of hydrogen used as a fuel must meet all requirements of PSM.” … 849 … 991 … 992 … 872 … 861 … 993 … Are hydrogen systems holding more than 10,000 lb (4500 kg) of …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… and a catalyst: palladium. The operator was performing hydrogen purges, consisting in sending hydrogen under pressure into the reactor via the hydrogen … the introduction of this new practice, the presence of liquid in the system avoided the drying of the catalyst and …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… closed down the system as follows: - he shut off the hydrogen addition at the reactor and closed the valve at the hydrogen cylinder bank; - the reactor's agitator was turned … was left isolated with an hydrogen atmosphere over the liquid. No nitrogen inerting was used. The operator checked …
Last Updated Wed, 06/18/2025 - 15:36
FAQ
… and the failure modes. There are concerns about allowing hydrogen concentrations as large as 3.5% for the high level alarm. Since VOCs are mixed with the hydrogen, the mixture lower flammability limit is probably … 4%. A typical practice would use 25% of the LFL, or 1% hydrogen), for alarm, not 1.5% to 3.5%. The vacuum may be an …
Last Updated Thu, 11/14/2024 - 14:20
Fuel Cell Codes and Standards
… information that designers, builders, and users of hydrogen systems can use to avoid or resolve hydrogen hazards. Guidelines are presented for system design, … … AIAA G-095 Guide to Safety of Hydrogen and Hydrogen Systems …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… ventilation intakes, and protected from vehicle impact. Hydrogen storage separation distance requirements are typically based on the quantity and pressure of the hydrogen or the piping diameter, depending on the type of … containers to prevent interaction during an unintended hydrogen release. More detailed guidance can be found in the …
Last Updated Mon, 08/05/2024 - 23:46
Team
… options, before leaving the Marines, Aaron stumbled onto hydrogen fuel cells and became enamored with the technology. The potential for hydrogen to serve both environmental and national security … Laboratories. Aaron is currently the Technical Director of Hydrogen Energy at Air Liquide Advanced Technologies US in …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… hydrocracker unit of the refinery. A control valve on the liquid line between the high- and the low-pressure separators was opened in error and the liquid allowed to drain. High pressure hydrogen passed uncontrolled into the closed LP Separator …
Last Updated Fri, 06/07/2024 - 00:04
HyARC Data Page
… Contains information on the lengths of hydrogen pipeline in the U.S., Europe, and the rest of the world by location and ownership. … Hydrogen Pipelines …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… Nearly all hydrogen storage tanks and hydrogen storage systems will need some type of pressure … there are pressure relief devices, some means to vent the hydrogen to a safe location will be needed. An exception to …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… There are advantages to reducing the amount and rate of hydrogen released. Relief devices should not be oversized … of flow will lower reaction forces and the mass of hydrogen in the released cloud during an event. A method to reduce the amount of hydrogen released is to use relief devices that reclose …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… safe location, if it safe to do so, isolate the source of hydrogen feeding the fire. Burns and explosions are hazards when exposed to a hydrogen fire. For more best laboratory preventative safety practices as well as first responder response to a hydrogen incident See both CHS training resources: …
Last Updated Thu, 01/23/2025 - 14:57
Fuel Cell Codes and Standards
… Requirements of industrial hydrogen, test methods, packaging flag, requirements for … for availability and current edition. … GB/T 3634.1-2006 Hydrogen – Part 1: Industrial hydrogen …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… it is always best to ensure that locations where leaking hydrogen can accumulate are minimized/avoided, and that hydrogen sensors are placed in strategic locations where hydrogen can potentially collect. Potential ignition sources …
Last Updated Fri, 04/18/2025 - 19:40
HIAD Event
… ended 73 seconds after the launch in an explosive burn of hydrogen and oxygen propellants that destroyed the External … on the external tank which eventually failed, after which liquid hydrogen and liquid oxygen burnt in an explosive combustion. There is …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… is a frequent source of ignition attributed to various hydrogen releases. Low levels of static electricity are sufficient to ignite hydrogen – air mixtures. Static charges can be created by the … … 879 … 915 … 823 … Can static discharges really ignite hydrogen releases? … Static electricity can ignite hydrogen. …
Last Updated Fri, 04/18/2025 - 19:10
FAQ
… to limit fire spread to other materials. In the case of a hydrogen leak and fire, it is best practice to isolate the hydrogen source, and let any residual hydrogen gas burn out. Even if the initial fire is …
Last Updated Fri, 11/29/2024 - 19:46
Fuel Cell Codes and Standards
… … ISO/TR 15916:2015 provides guidelines for the use of hydrogen in its gaseous and liquid forms. It identifies the basic safety concerns and risks, and describe the properties of hydrogen that are relevant to safety. Detailed safety …