High-pressure Venturi scrubbers for clean hydrogen
Cooling – scrubbing – dedusting – humidifying – mixing
Alongside Venturi scrubbers’ conventional usages, there’s rising demand (especially by some high-pressure processes) for them to perform and make improvements to cleaning, dedusting, humidifying, and mixing tasks. Examples can be found in syngas treatment and production, coal gasification and conversion to industrial alcohol/ether.
Syngas production, i.e. the industrial production of gas mixtures and H2, are just two examples of the wide range of potential applications. The composition of the primary gases varies depending on the application, but mostly consists of H2, CO, CO2, N2, and H2O which virtually always contain a certain amount of process-related soot. Water is used as the scrubbing medium. High-pressure, Körting Venturi scrubbers are used in numerous processes.
Steam methane reforming (SMR)
Steam methane reforming is one of the most important processes involved in making syngas and hydrogen. To do so, natural gas (or higher hydrocarbons) is converted using a catalyst. SMR technology is based on an endothermic reaction where the temperature and energy required need to be supplied externally. The process is run at temperatures >700 to approx. 950°C and at pressures of up to 50 bar.
Multi-purpose gasification (MPG®)
MPG (partial oxidation of hydrocarbons) involves gasifying a range of feedstock containing hydrocarbons, even types that can’t be mixed. As a result, heavy refinery residues, chemical waste or sludge can be converted into useful and reusable syngas (primarily CO and H2).
Over 40 years of experience
The first projects with high-pressure Venturi scrubbers were carried out back in 1978. Körting Hannover GmbH draws on decades of experience with jet ejector technology and gas scrubbers to design this sophisticated process-engineering equipment. To come up with the best customised solutions, we collaborate with our in-house development department to conduct CFD or computational fluid dynamics simulations and trials on our own test rig.
To ensure long service lives and minimal maintenance, high-pressure Venturi scrubbers are often made of, or clad with special materials or special material combinations, such as stainless steel or duplex stainless steel and subjected to stringent quality assurance inspections.
Special technical features
- Pressure: 1 - 80 bar
- Material: wall thickness from 10 - 60 mm
- Flanges: 600 - 900 lbs.
- Temperatures: 200 - 400 °C
- Nominal widths: DN 200 - 1.200
- Gas inlet: axial (alternatively lateral at 90°)
Due to high-precision manufacturing, predominantly at the Hanover site in Germany, Körting ensures that high-pressure Venturi scrubbers are designed and made based on the requirements of the customer and processes, as well as the necessary specifications and codes. The appropriate process-engineering and mechanical design calculations are also carried out.
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