# Hamburg Wasser

Municipal phosphorus recovery (P-Net) — Operating under Germany's 2029 phosphorus-recovery mandate.

Source: https://en.bioecon.ru/companies/hamburg-wasser/
Updated: 2026-07-06

- Country: Germany

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | The plant was built for approximately €23.5 million, with an additional €8 million planned for technical upgrades as of November 2024. | https://ourfuturewaterintelligence.com/products/water-utility-of-the-future-hamburg-wasser, https://www.zfk.de/wasser-abwasser/wasser/hamburg-wasser-muss-start-des-regelbetriebs-ihrer-phosphorrecyclinganlage-verschieben |
| Capacity | 7,100 tonnes of phosphoric acid annually from 20,000 tonnes of sewage sludge ash. | https://gwf-wasser.de/branche/phosphor-recyclinganlage-von-hamburg-wasser-und-remondis/, https://ourfuturewaterintelligence.com/products/water-utility-of-the-future-hamburg-wasser, https://www.zfk.de/wasser-abwasser/wasser/hamburg-wasser-muss-start-des-regelbetriebs-ihrer-phosphorrecyclinganlage-verschieben |
| Regulatory approval | Change approval granted on April 23, 2025, for optimization of the phosphate recovery plant under the Federal Immission Control Act (BImSchG). | https://dokumente.hamburg.de/resource/blob/1082750/a2d2bc78cc24216922cd8264d994c8a7/d-aenderung-tphh-2025-data.pdf |
| Production site | Köhlbranddeich 3, 20457 Hamburg (at the Hamburg sewage treatment plant). | https://dokumente.hamburg.de/resource/blob/1082750/a2d2bc78cc24216922cd8264d994c8a7/d-aenderung-tphh-2025-data.pdf, https://gwf-wasser.de/branche/phosphor-recyclinganlage-von-hamburg-wasser-und-remondis/, https://www.hamburgwasser.de/umwelt/urban-minin/phosphorrecyling, https://www.zfk.de/wasser-abwasser/wasser/hamburg-wasser-muss-start-des-regelbetriebs-ihrer-phosphorrecyclinganlage-verschieben |
| Headcount | Estimates range from 35 to 100 employees. [medium confidence] | https://talents.studysmarter.de/companies/hamburger-phosphorrecyclinggesellschaft-mbh/, https://www.wer-zu-wem.de/firma/vera.html |

Independent sources: dokumente.hamburg.de, gwf-wasser.de, ourfuturewaterintelligence.com, talents.studysmarter.de, wer-zu-wem.de, zfk.de

## Technologies

- [Urban biorefineries & biowaste processing](https://en.bioecon.ru/technology/urban-biorefineries-biowaste-processing/)