| No. | Project name | Operator | System capacity (m3/h) | Description of system | Country | Date of completion |
| 1 | Process water production and wastewater treatments | PNH Ltd. | 0,2 | Materials surface treatment wastewater purification with active carbon filter, selective ion-exchange unit to remove copper and zinc ions. | Hungary | 2016 |
| 2 | HEAT-Gázgép wastewater treatment | HEAT-GÁZGÉP Ltd. | 0,25 | Activated carbon filtration, Reverse Osmosis System for desalination | Hungary | 2015 |
| 3 | Purification of industrial wastewater | Infineon Technologies Cegléd Ltd. | 1,5 | Removal of organic materials, by Activated carbon filtration, Copper and Nickel removal with ion-exchange resin, controlling the pH of the outlet water | Hungary | 2015 |
| 4 | Process water production and wastewater treatment | PNH Ltd. | 0,3 | Activated carbon filtration , Sodium ion-exchange, Reverse Osmosis system with 0,3 m3/h capacity | Hungary | 2015 |
| 5 | Industrial wastewater treatment system | GE HUNGARY KFT. GE Lighting & Appliances Division | 1 | Microfiltration for eliminating microorganisms, Reverse Osmosis System for desalination | Hungary | 2015 |
| 6 | Treatment of Molybdenum wastewater | Consumer & Industrial Lighting VAG Hajdúböszörmény | 40 | Removal of metals with ion-exchange system, storage | Hungary | 2007 |
| 7 | Galván üzemi wastewater treatment | Kolomann – Handler Ltd. | 12 | Nanofiltration for removal of microbes, reverse osmosis desalination | Hungary | 2005 |
| 8 | Purification of industrial wastewater | Nagykanizsa Fényforrásgyár | 40 | Ammonia removal with biological nitrification and denitrification, ion exchange system | Hungary | 2003 |
