Latest C-Green News & Updates
See the latest news and media coverage for C-Green. We track all announcements, press releases, and industry mentions in real time, all in one place.
Hydrothermal carbonization of wet biowaste into biocoal
c-green.se- Headquarters
- Solna, Sweden
- Founded year
- 2015
- Company type
- Private company
- Number of employees
- 15–50
Last updated
Latest news about C-Green
In short: C-Green monitored evolving international sludge regulations and advanced its HTC technology to address PFAS contamination and circular recovery.
Company announcements
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C-Green upgrades its facility to next-generation HTC technology
The upgrade is based on experience from over 6,000 operating hours and aims to enable commercialization.
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UK launches sewage sludge regulation overhaul
DEFRA consults on stricter environmental permitting for agricultural use, addressing contaminants like PFAS. Consultation closes March 2026.
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C-Green reports new Dutch tax on sludge incineration
The tax rises from €0 to over €90 per tonne by 2028, pressuring sludge volume reduction and circular solutions.
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C-Green is strengthened by new national criteria for HTC-biochar
The government proposes legislative changes that increase clarity for advanced material recycling. C-Green validates biochar according to the criteria for industrial product.
Media coverage
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C-Green upgrades its full-scale plant in Heinola to next-generation HTC technology
After several years of operational experience and development, C-Green is now upgrading the plant at Stora Enso's Heinola Fluting mill, where sludge...
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C-Green takes the next step in PFAS mapping in the conversion of sludge to biochar
Over the past year, C-Green has investigated how PFAS-contaminated sludge behaves in HTC processes. The results provided important insights into the occurrence and behavior of various PFAS compounds...
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C-Green AB launches a new generation of HTC technology for sludge drying
C-Green's updated HTC technology builds on our proven solution, but now offers higher energy efficiency, lower operating costs and a more robust process. The streamlined operation provides...
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Cooperation agreement between Ragn-Sells and C-Green
C-Green OxyPower HTC biorefinery for sludge treatment in connection to Stora Enso's paper mill in Heinola, Finland. Photo: C-Green Häradsudden outside Norrköping will be the location for the first...
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