News & Knowledge


Removing vanadium using GEH: scientific model published for predicting filter breakthroughs

When planning adsorption filters, the level of achievable adsorption capacity plays a significant role, as this determines the residence time (i.e. the replacement interval) and thus also the cost effectiveness. In conjunction with the Hydrogeochemistry Work Group at the University of Mainz, a model for the multi-component granular ferric oxide - vanadate - arsenate - phosphate - silicic acid system has now been successfully created and tested on the basis of laboratory tests and practical data.

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Header Bild neu

Collaboration with Hamburg University of Technology

Even established products, like our GEH granular adsorpent, find new fields of application and process options. With this in mind, we have formed a research project with the Institute of Water Resources and Water Supply at the Technical University Hamburg-Harburg (TUHH) to develop an innovative process for removing arsenic from drinking water that can be applied in addition to the tried-and-tested GEH fixed-bed adsorber technology currently in use.

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GEH 094

Audit under difficult circumstances: our coronavirus update

The world remains gripped by the coronavirus pandemic. With this update, we want to inform you of the current state of affairs at our company, an audit carried out at distance, and who is currently keeping the company operable.

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Das Coronavirus

Update on the situation at GEH Wasserchemie during the coronavirus pandemic

The effects of the coronavirus pandemic are impacting all of us in most areas of our lives, and also presenting GEH Wasserchemie with major challenges. For our part, we have already taken a wide range of measures in order to maintain production of GEH® at our facility and thus ensure that our customers continue to be supplied. At present, there are no indications that the production or availability of our products will be restricted.

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Eine Werkshalle von GEH

Visit from Brussels: EU delegate Wölken visits GEH Wasserchemie

On 25 February 2020, Tiemo Wölken, Member of the European Parliament, was a guest at GEH Wasserchemie. Mr. Wölken, himself from Osnabrück, is a member of the European Parliament's Environment Committee and is therefore intensively involved in topics related to water treatment and water resources.

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Vortrag bei Aachener Tagung Wassertechnologie Herr Dr. Bahr

GEH attends Aachen Water Conference

The 13th Aachen Conference on Water Technology took place at the Eurogress Aachen towards the end of October 2019. Organised every two years by RWTH Aachen University (ISA and ATV), the event is the largest German-speaking, process-related symposium in the water industry and attracts over 400 participants from ten nations.

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Wasserexperten aus der Slowakei bei der GEH

Water specialists from Slovakia visit GEH Wasserchemie

28 water treatment experts from Slovakia paid a visit to Osnabrück last week. In addition to a tour of an arsenic removal adsorber facility, the current challenges facing water treatment in Eastern Europe were discussed.

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Zusammenarbeit mit Aqua Dällikon

GEH® Performance Check in cooperation with Aqua Dällikon in Switzerland

Out on a mission for pure water: We visited our partners Aqua Dällikon in Switzerland, taking as our main focuses the removal of arsenic from drinking water and of heavy metals from rain water.

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Umwelttechnik-Messe Envex 2019 in Seoul

ENVEX Seoul – upcoming environmental technology exhibition for East Asia

The largest trade fair for environmental technology and green energy in Korea will be taking place in Seoul from 15th to 17th May 2019. We will be there as an exhibitor alongside our Korean partner, Siontech, to present visitors our Granular Ferric Hydroxide (GEH®) that removes, among other impurities, arsenic, vanadium and phosphate from drinking water.

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Real-life operation launched to remove vanadium from drinking water in Germany

As of January 2019, a waterworks in the Vulkaneifel district in the German state of Rhineland-Palatinate has been performing extended Granular Ferric Hydroxide (GEH®) efficacy tests (erweiterte Wirksamkeitsprüfung - EWP) for the removal of vanadium from drinking water.

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