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UGN® Gas Desulphurisation Systems
The UGN® systems are made for external biological-chemical final desulphurisation of undried biogas. Over many years, this method has been proven to reduce high hydrogen sulphide loads down to <1 ppm at a reasonable price. The biological efficiency of these systems is adapted to the microbiological properties (H2S concentration, humidity, temperature). The desulphurisation system is set up outside the digester to facilitate regulating and maintenance without interfering with the processes running inside the digester. Another advantage: The biogas does not have to be dried before being fed into the desulphurisation system, which cuts down on operating costs. Furthermore, the filtering material has a structure that allows perfect pouring, thereby doing away with extra compressors. Our desulphurisation systems are based on the Filtermaterials UgnCleanPellets® S 3.5.
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Description
UGN® Gas Desulphurisation Systems
Every biogas plant requires a customised desul-phurisation concept to ensure efficient operation. Our desulphurisation systems provide an efficient and cost-reducing alternative to activated carbon.
Our systems are instead made for external bio- chemical final desulphurisation which has proven a reliable process for reducing high hydrogen sulphide loads to less than 5 ppm. The desulphurisation system is set up outside the digester to facilitate regulating and maintenance, without interfering with the processes running inside the digester.
Another advantage: The biogas requires no drying before being fed into the desulphurisation system, which cuts down on operating costs.
Operating principle of UGN® gas desulphurisation systems
The untreated, hot, and moist biogas flows through the gas desulphurisation system that is filled with UgnCleanPellets® S 3.5. The hydrogen sulphide is targeted and completely removed from the raw gas and transformed to elemental sulphur. Atmospheric oxygen is fed in to allow the filtering material to self-regenerate, while the desulphurisation process is running at the same time.
The desulphurising capacity is maintained for a long time. When the pellets reach their maximum take-up capacity, the hydrogen sulphide content in the clean gas increases gradually.
Benefits of UGN® gas desulphurisation systems
- Maximum efficiency due to conditioning
- No upstream gas cooling and drying necessary
- Low investment and running costs
- Minimum maintenance
- Reliability and high system availability
- Long service life of filter/filtering material
- Filter made of corrosion resistant material
- Very easy installation, effective immediately
- Carbon neutral filtering material
UGN® BEKOM H System
The UGN® BEKOM H is a compact gas desul-phurisation system comprising a reactor (BGM), a meter cabinet, and a switching cabinet.
As a compact sulphur filter system, it selectively removes hydrogen sulphide from biogenic fuel gases (such as biogas, sewer gas, and landfill gas). During this process, the moist and hot raw gas is directed through the UgnCleanPellets® S 3.5 filtering material where the sulphur is removed immediately. The BEKOM H system can be used for both coarse and fine desulphurisation.
In a UGN® BEKOM H system, the gas is conditioned automatically (air dosing, heating, moistening) so that system always run at its optimal working point.
UGN® biogas filter modules (BGM)
The UGN® biogas filter module (BGM) is a compact gas desulphurisation system comprising a reactor (BGM).
As a compact sulphur filter, the BGM selectively removes hydrogen sulphide from biogenic fuel gases (such as biogas, sewer gas, and landfill gas). In this process, the moist and hot raw gas is directed through the UgnCleanPellets® S 3.5 filtering material where the sulphur is removed immediately. The BGM can be used for both coarse and fine desulphurisation.
For more information, visit www.ugn-umwelttechnik.de/en/.