Drinking water

Remove arsenic from drinking water with our innovative GEH® technology — for improved water quality and healthy drinking water.

Why it matters

Pure quenching of thirst. Clean water is essential for our lives.

A safe drinking water supply is therefore vital. For over 20 years, GEH Wasserchemie has been providing the necessary solutions for groundwater treatment. As an innovation leader, we meet even the most stringent requirements — especially when it comes to arsenic removal.

Do you rely on the best water quality for beverage production or food processing? GEH® for drinking water treatment can also be used for your industrial applications and is approved worldwide.

Safe with GEH®

Remove vanadium and arsenic from drinking water

If water is contaminated with toxic substances, reliable drinking water treatment is essential. Inorganic arsenic — present as anionic arsenate or uncharged arsenite depending on its redox potential — is found in groundwater worldwide. Regular tests reveal very high concentrations in some regions, which can lead to chronic poisoning. To counteract this danger we developed GEH® in the 1990s, and are now the global market leader in arsenic removal — with a proven product certified to DIN EN 15029 and NSF/ANSI Standard 61.

Sustainable treatment

Drinking water treatment with granulated iron hydroxide

There are various processes and methods for removing contaminants such as arsenic. With GEH® products we consciously pursue the most sustainable approach possible. Using granulated iron hydroxide, we offer a solution that is efficient, environmentally friendly and of high quality. Whether you sell it as a plant engineer or chemical distributor, or use it yourself as a water supplier or industrial company — our method reliably eliminates arsenic from drinking water.

Granulated iron hydroxide

Arsenic removal — and much more

With GEH® you not only ensure compliance with the limits for arsenic and vanadium in drinking water. Granulated iron hydroxide selectively removes toxic substances while preserving valuable trace elements and minerals — and also treats vanadium, uranium, copper, zinc and more.

As

Arsenic

U

Uranium

V

Vanadium

PO₄

Phosphate

Pb

Lead

Ni

Nickel

Cu

Copper

Sb

Antimony

Why GEH®

Five times higher adsorption capacity — without wastewater

As an innovation leader, we offer you GEH® — a patented product with up to five times the adsorption capacity of competing products. It allows long service lives and demand-based application, eliminates arsenic-contaminated sludge or wastewater, chemical storage and dosing, and is easy and maintenance-free to integrate into existing systems. Every GEH® product can also be used in standard filter tanks or conventional cartridge systems.

Arsenic in tap water? We offer advice and solutions. We don’t just send you a package and call it a day. We advise you on handling and applying our products, and on how to remove arsenic from water permanently — backed by an international distribution network that ensures supply and personal, on-site support.

Chemical composition	β-FeOOH and Fe(OH)3
dry matter content	58% (± 10%)
Iron content, based on dry matter	600 g/kg (± 10 %)
Grain size range	0.2 - 2.0 mm
Undersized grain percentage	< 10%
Total undergrain + overgrain	< 20%
Bulk density, backwashed	1150 kg/m3 (± 10 %)
Specific surface area (BET method)	approx. 300 m2/g

Fill height of the absorber bed	0.8 - 1.6 m
Freeboard height	50% of the fill height
Filter speed	≤ 20 m/h
Empty bed time (EBCT)	≥ 3 minutes
Permissible pressure loss	max. 0.5 bar
Backwash speed	26 m/h (water flush only)
Backwash duration	until the clear water drains

For further information, the following downloads are available for you.

PDF data sheets — click to download.