Char to be recovered from sewage sludge – Gasum participates in project studying nutrient recycling

Gasum, Helsinki Region Environmental Services Authority (HSY) and Natural Resources Institute Finland (Luke) are collaborating in studies into sludge derived biochar produced through pyrolysis of sewage sludge and the properties of this char. The Sludge Derived Biochar Project aims to promote the safe and efficient utilization of nutrients and carbon contained in sewage sludge. Pyrolysis equipment of Gasum’s Topinoja, Turku, biogas plant is used to produce the sludge derived biochar material for further analyses in the project.

The energy company Gasum is taking part in the Sludge Derived biochar Project funded by the Finnish Ministry of the Environment studying sludge derived biochar produced by pyrolysis and properties of this char. The research also covers the impacts of the pyrolysis process on harmful organic substances, heavy metals and microplastics found in sewage sludge. The project is conducted in collaboration with Helsinki Region Environmental Services Authority (HSY) and Natural Resources Institute Finland (Luke).

”Research and innovations play a major role at Gasum and we are continuously investing in them. One of our important research themes is improved nutrient cycling,” says Inkeri Kauppi, Development Engineer, Gasum. “The purpose of the Sludge Derived biochar Project is to promote the safe and efficient utilization of nutrients and carbon contained in sewage sludge. It’s great to be involved in a project exploring the multiple uses of sewage sludge."

Pyrolysis equipment of Gasum's Topinoja, Turku, biogas plant is used in the project to produce material and new data on pyrolysis for subsequent analyses. The analyses will provide valuable information on issues including the quality and safety of products created in pyrolysis.

Research to build a carbon-neutral future

In addition to the Sludge Derived Biochar Project, Gasum supports many other projects and enterprise collaborations. For example, Gasum is involved in several projects under Finland's Programme to promote the recycling of nutrients and improve the status of the Archipelago Sea (Raki2) and in the work of CLIC Innovation Ltd. CLIC Innovation aims to find new solutions and new business in bioeconomy, circular economy and energy systems through collaboration between enterprises and research institutions.

Gasum also provides grants to researchers every year. The Gasum Gas Fund is one of the special funds of the Finnish Foundation for Technology Promotion (TES) and aims to develop gas-based energy solutions and produce data supporting development in the gas sector.

”Our aim is to build a carbon-neutral future and a sustainable gas ecosystem. Research-based data is very important when considering the energy solutions of the future. It’s an honor for us to support the various research projects,” Kauppi says.

The Sludge Derived Biochar Project was launched in autumn 2018 and will take two years.

 

For more information please contact:

Inkeri Kauppi, Development Engineer, Gasum
Phone: +358 40,486 8288, firstname.surname(a)gasum.com

The energy company Gasum is a Nordic gas sector and energymarket expert. Together with its partners, Gasum is building a bridge towards a carbon-neutral society on land and at sea. www.gasum.com.

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The energy company Gasum is a Nordic gas sector and energymarket expert. Together with its partners, Gasum is building a bridge towards a carbon-neutral society on land and at sea. www.gasum.com/en

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