Bronkhorst bietet das größte Sortiment von (Massen-)Durchfluss und Druckmessern und -reglern für niedrige Durchflüsse an, das am Markt erhältlich ist. Für Anwendungen im Labor, in Maschinenbau, in der Industrie und in Gefahrenbereichen können verschiedene Versionen von Instrumenten in Standard- und Sonderausführungen angeboten werden.
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Bronkhorst Schweiz: Seit fast 20 Jahre Spezialist in der Mess- und Regeltechnik. Durchflussmesser & Durchflussregler, Druck, Verdampfungssysteme. Technische Unterstützung & Kalibrierdienste.
The replacement of fossil fuel is a hot topic these days, a lot of research has been done towards sustainable fuels. Team FAST, a Dutch multidisciplinary student team of the Eindhoven University of Technology (TU/e) is working on an initiative, introducing a revolutionary sustainable fuel called Hydrozine.
Hydrozine is defined as a sustainably produced formic acid. Hydrozine technology is only sustainable if the entire chain is durable. This means using formic acid extracted from plants, or mixing carbon dioxide with water using sustainable electricity to create Hydrozine. Using the latter, team FAST wants to prove that Hydrozine is a suitable candidate for replacing fossil fuels in applications in the heavy transport industry (such as buses and generators). For this, they developed a prototype called ‘REX’.
REX is a standalone generator using Hydrozine as fuel. An in-house developed catalyst is used here to convert Hydrozine into hydrogen (H2) and carbon dioxide (CO2) much easier, more stable and more energy-efficient than any previous catalyst.
The challenge in this process is to measure the gas mixture containing H2 and CO2, as this is quite specific. Moreover, it is very important to measure whether or not gas is produced, otherwise the formic acid could be piling up in the reactor and make it to overflow. A reliable measurement is therefore desired.
The purpose of the ‘REX’ system is to turn Hydrozine into electricity: the liquid Hydrozine (HCOOH) is stored in the ‘REX’ system at atmospheric level and subsequently pumped into a reformer. Here the in-house developed catalyst is used to convert the Hydrozine into the gases hydrogen (H2) and carbon dioxide (CO2). The hydrogen and carbon dioxide flow towards a fuel cell where they react with oxygen from the air, which results in the generation of electricity.
Water vapour and carbon dioxide are being emitted into the air after the electricity is extracted, which are the same components that are used to create Hydrozine. This completes the circle in making this energy carrier carbon neutral.
The REX system has been equipped with Bronkhorst thermal mass flow meters (IN-FLOW series) as it is desired to measure the amount of gas being produced. Knowing the gas flow provides information about how quickly gas is being converted by the system and thus information about the amount of power which can be generated. In this way different parameters can be tested to improve the efficiency.
“Bronkhorst had the expertise of this particular gas and was able to provide us with the right parts and support. The Bronkhorst mass flow meters are of high quality and made it possible to accurately measure the gas production, which was not possible for us before. We could even measure the difference between the formic acid that goes in and the gases that came out. As the difference between this should be zero, the Bronkhorst flow sensor was the only one which could actually prove this”.
Without Bronkhorst we were not able to test the system. So great thanks to them, for enabling our testing process during the summer! according to Team FAST.
Without Bronkhorst we were not able to test the system. So great thanks to them, for enabling our testing process during the summer!