Hammarby Sjöstadsverk is one of the world’s leading research facilities in wastewater treatment technology. Now you can visit the facility from your own screen and take part in the various steps and pilots that are under constant development.

– We want to engage and reach out to more stakeholders who want to know more about the technologies and solutions, and get inspiration for their cities, says Rebecca Larson, Communications Manager at Smart City Sweden.

The tour begins at an oxidation pilot that breaks down pesticides, PFAS and drugs with the help of UV light and hydrogen peroxide. Thereafter, the tour stops at an electrolysis pilot that extracts energy from ammonium, a reactor that produces methane gas from sewage sludge and a mobile digestion tank that produce volatile fatty acids.

The experts at Hammarby Sjöstadsverk also demonstrate tanks that remove nitrogen with the help of ammonium oxidizing bacteria and anammox bacteria, mobile pilots that measure nitrous oxide, methane and carbon dioxide, and sensors using image and data analysis to measure turbidity and water levels.

In the last step, the virtual visitor gets to see membrane bioreactors that remove microscopic particles, viruses, and bacteria.

– Much of the processes developed in the pilots have already been applied in the rebuilding of Stockholm’s future water treatment, says Mayumi Narongin-Fujikawa, site manager at Hammarby Sjöstadsverk.

– The pilots very much contribute to reducing the energy consumption and chemical use in Stockholm’s new wastewater treatment plant. In addition to the knowledge and operational experience that we build up here, we also contribute to future sustainable water treatment by engaging students and trainees.

The virtual tour is produced within Smart City Sweden to demonstrate Swedish sustainable R&D in advanced wastewater treatment. In addition to the short films in the tour, there is also additional reading and a quiz to test the visitors’ knowledge of wastewater treatment.

Hammarby Sjöstadsverk is jointly owned by IVL Swedish Environmental Research Institute and KTH, the Royal Institute of Technology.

Take part in the tour here.

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