# Stollenwerk commissions EnviroChemie for wastewater treatment plant in Merzenich, Germany

Stollenwerk, a family-run fruit and vegetable processing company, commissioned EnviroChemie to plan, construct, and manage operations of a new anaerobic/aerobic wastewater treatment plant at its Merzenich site in Germany. The plant will treat 1,100 m³ of production wastewater per day, with biogas used for steam generation. Operations are scheduled to begin in May 2026.

- Type: Contract
- Announced: 2025-03-31
- Where: Merzenich, Germany
- Status: announced
- Capacity: 1,100 m³ per day
- Products: wastewater treatment plant, biogas reactor
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [EnviroChemie](https://endata.com/companies/31147.md) (supplier)
- [Stollenwerk](https://endata.com/companies/83789.md) (customer)

## Sources

- [envirochemie.com](https://www.envirochemie.com/en/news-events/news/stollenwerk-orders-a-plant-for-water-treatment/), 2025-03-30: "It has commissioned EnviroChemie to plan and construct a treatment plant for its production wastewater, and to take on operations management."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.