EnviThan gas upgrading

Refreshingly simple and flexible

Our EnviThan concept offers an all-round carefree package. We provide you with an integrated solution from pre-treatment and raw gas purification, the treatment of biogas in biomethane quality to the final utilisation of the gas.

EnviTec Biogas - a strong partner from start to finish.

Our solution and your advantages
at a glance:

  • INTEGRATED MODEL

Our EnviThan model offers you a tailor-made solution along the entire value chain, from the initial pre-treatment of your raw gas, gas upgrading into biomethane, various options for gas marketing (CNG, electricity, heat), and all rounded off by our comprehensive after sales service.

 

  • STRAIGHTFORWARD, COMPACT AND MODULAR DESIGN

EnviThan gas upgrading is simple and robust while also being compact and space-saving. The components for desulphurisation, compression, condensation, filtration and gas purification are installed in self-contained modules. Thanks to its modular design, the technology can be installed quickly and easily, and flexibly adapted to the specific quality standards and performance capacities of each operator. The system is also designed to ensure impressively low maintenance costs. The modular construction of an EnviThan plant also offers plenty of reserve capacity, making subsequent expansion of the plant easily possible.

 

  • STRONG PARTNER

We use SEPURAN® Green modules from Evonik Industries for the membrane separation process in our gas upgrading plants. These hollow-fibre membranes purify the raw biogas generated in the biogas plants from 50 to over 97 percent by volume – a very high figure compared with other technologies. The successful partnership between EnviTec and Evonik is not only reflected in the fact that we are the world’s largest buyer of these leading Evonik modules, but also in the fact that EnviTec is the only company worldwide that operates an internal gas upgrading plant for the purpose of carrying out R&D into these innovative membrane systems.

 

  • RAPID CONTROLLABILITY FOR SHORT START-UP TIMES

Our gas upgrading plants have short start-up times and can be quickly adjusted to changes in volume flow rates thanks to good controllability. This guarantees the simple and flexible operational management of EnviThan plants.

 

  • EXTREMELY EFFICIENT

Compared with other approaches to biogas upgrading, EnviThan technology requires less energy, which ensures its running costs stay as low as possible. Nor does this gas upgrading method require any chemicals, water or other resources. Much of the heat generated during the upgrading process can also be recovered and utilised. Compared with other methods – such as amine scrubbing, pressure swing adsorption or high-pressure water scrubbing – it is also inexpensive and environmentally friendly since it produces no wastewater or emissions.

 

  • TOP QUALITY AND MAXIMUM SAFETY – MADE IN GERMANY!

Quality is our top priority at EnviTec Biogas. To ensure we can meet our high standards at all times, all EnviThan plants are designed and built at our facility in Saerbeck (Germany).  In addition, we also work only with hand-picked suppliers that share our commitment to quality – and our business relationships with these suppliers now go back many years.

 

  • SEASONED EXPERTISE

Apart from the efficiency and technical quality of our gas upgrading systems, our long-standing international expertise in biogas plant construction is another reason why customers worldwide entrust their projects to EnviTec. Germany, UK, France, China and Denmark – EnviThan is conquering the gas upgrading market on a global scale. 
>> Read our case studies from around the world here <<

 

  • SOLID FINANCIAL BASIS

​​​​​​​EnviTec Biogas has been listed on the Frankfurt Stock Exchange since July 2007. The EnviTec Group’s strong financial background offers financial peace of mind to investors, customers and partners. The high standards of reliability we set ourselves is also reflected by our business model: investment in our own, internally operated plants enables us to pursue the continued improvement and optimisation of our technologies, and to offer our customers high levels of reliability and efficiency for their own plant operations.

EnviThan Brochure

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Stefan Laumann

Head of Gas Upgrading
EnviTec Anlagenbau GmbH & Co. KG
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