PREPARATION OF HIGHLY DEMINERALIZED PROCESS WATER
Water is required at every stage of the electrolysis process, so the key challenge facing the electrolyzer sector is managing its resources to ensure a reliable supply of high-quality water.
Our company offers the only reasonable and eco-friendly solutions, designed and built specifically for the needs of the hydrogen energy sector. We are a Polish company with Polish capital and Polish technological expertise.
Our solutions are characterized by:
- Failure-free and very long operating time. Duo systems.
- Minimal amount of wastewater after the treatment process (approx. 1000 times less than RO).
- Minimal water loss after treatment – approx. 1% (in the case of RO – 40%).
- Minimal energy consumption of the system itself (approx. 0.2 kW/h).
- Any station capacity, but not less than 1.5 m³/h.
High-quality water is required for electrolysis (typically below 0.1 microsiemens per centimeter (μS/cm)).
As a result, purified water is crucial not only for process water but also for utility applications such as cooling or steam production.
Below we present a comparison (in terms of operating costs and price) of two different systems: those based on reverse osmosis (commonly known as membrane systems) and the “Target Tech Hydro” technology (TT Hydro for short), which is based on ion-exchange technology.
| Commonly used process water preparation technology for hydrogen production RO – reverse osmosis |
TARGET TECH HYDRO HIGH TECH process water preparation technology for hydrogen production using a two-stage ion-exchange method |
|
|---|---|---|
| Water quality | > 0.1 μS/cm | > 0.1 μS/cm |
| Energy consumption – m³/h | ~ 2.5 kW/h | 0.2 kW/h |
| Operation | Second purification stage - ion-exchange stage regeneration once per month |
Second purification stage - ion-exchange stage regeneration once per year |
| Wastewater amount | 45% | 1% – 2% |
| Cost comparison – system economics with increasing flow scale | Costs increase proportionally with the scale of the project. | Considering over 10 times higher energy consumption and over 40 times more wastewater produced by the RO system, the advantage of the ion-exchange system is clear. |
| Quality assurance and system durability | General disadvantages of systems based on mechanical devices. Unpredictability of water supply interruptions. | Fully automatic and maintenance-free system, 10-year warranty, designed for very long operating cycles. |
In summary, a system based on reverse osmosis – or membrane technology – due to the amount of wastewater it produces, inevitably needs to be almost twice oversized. A system based solely on ion-exchange technology is precisely matched to the actual water demand.
Our experts can treat water from various sources, from groundwater and surface water to seawater desalination. To meet all these challenges related to process water preparation, electrolyzer companies need a reliable partner who can cover the full scope of their water cycle needs. As experts in water technologies, we can ensure both the quality and quantity of water, regardless of its source, thanks to best-in-class technologies.
