Wastewater treatment based on
VTA - the abbreviation stands for "Verfahrens-Technologische Abwasseraufbereitung" and means "Wastewater Treatment Technology Process".
VTA is an Austrian group which is successful all over the world. We develop and create innovative system products and technologies which set standards in the waste water and environmental engineering sector. These high-performance, cost-efficient and sustainable solutions are inspired by nature and its cycles.
Clean water for the world!



Clean water
for the world
benefit daily from the purification of wastewater
VTA is represented in over 65 countries worldwide
of innovative technologies
The VTA Group helps to clean the wastewater of more than 250 million people every day.

VTA Nanocarbon®
VTA Nanocarbon® is extremely effective and cost-saving in wastewater treatment, even with minimal dosing quantities, and can replace the 4th treatment stage.
Product overview
We purify water based on state-of-the art nanotechnology.

VTA system products
Tailored system products by VTA optimise waste water purification and water treatment. They are developed in the VTA laboratories and are continuously being adapted to the current requirements in the field of waste water technology, as well as the customers’ requirements.

VTA Plant-engineering
VTA technology stands out thanks to its innovative, pioneering solutions which offer outstanding performance in practical application. This includes, for example, the patented VTA GSD ultrasound treatment system for sewage sludge, the VTA mudinator® for improving sludge dewatering processes and the VTA MicroTurbine for creating electricity out of biogas.

Eurodos dosing technology
Eurodos is the dosing technology specialist which comes under the umbrella of the VTA Group. Thanks to many years of experience and state-of-the-art manufacturing technology, it creates individual systems for reliable product dosing in line with demand.
13. Reichersberger Umwelttag
Wir laden Sie herzlich zum 13. Reichersberger Umwelttag am 12. März 2025 um 9:00 Uhr in Reichersberg ein. Unter dem Motto „Nachhaltige Prozesse in der Abwasserreinigung“ erwarten Sie spannende Vorträge, Fachgespräche und Praxisberichte mit hochkarätigen Referenten.
Themen-Highlights:
• Wie wird man Klärmeister?
• Wie kann eine Kommune Mio. € an Kosten sparen?
• Wodurch Entstehen Umweltgifte in einer Kläranlage?
• Bürgermeister im Gespräch über Einsparungen in Kläranlagen
• Wie wird der Green-Deal in der Abwasserbehandlung umgesetzt?
• Weitere interessante Vorträge zur Optimierung bei Kläranlagen...
VTA at the EXPO 2025 in Osaka
VTA has been selected from numerous companies to attend Expo 2025 in Osaka to showcase the latest innovations in wastewater treatment to a global audience - a unique opportunity to showcase VTA's pioneering technologies on the global stage!

Our solutions
We develop and produce innovative processes and technologies that set standards in wastewater and environmental technology
No distance is too far for VTA!
The VTA Group already operates successfully in more than 65 countries. We supply thousands of municipal wastewater treatment plants as well as numerous customers in various industries worldwide.
At its headquarters in Rottenbach (Austria) and at six other locations in Europe, VTA produces ecologically fully compatible high-end processes for the safe, sustainable and economical optimization of wastewater treatment.
Learn more
Award
VTA AUSTRIA GMBH was honoured with a bronze medal from EcoVadis, an award given to the top 35% of companies. This reflects the quality of the company's sustainability management system and demonstrates its commitment to promoting transparency along the value chain.

News
Our purity principle.

VTA is an "Austrian model company" with more than 30 years of experience, a distinction that the ÖQA (Austrian Association for the Promotion of Quality) has awarded our company ten times in a row. The first-class quality of VTA Liquid Engineering processes is certified by the "Austria Seal of Quality".
‘At VTA, we think in cycles. We not only treat wastewater, we also pay attention to the environment as a whole.’