Producing biochar – from pain to gain: PRESENTATION ONLY

Peter Gronbjerg, Owner – PyroDry


Creating value out of SEWAGE SLUDGE!

• Complete treatment (drying and thermal treatment) of dewatered sewage sludge to an intermediate or final product in the most compact, fully-automated and energy-efficient (thermal self-sufficiency!) form.
• Modular design with stepwise unit size of up to 5,000 t/a dewatered sludge
• specific drying capacity at 0.7 kWh/kg water due to the Jumbo system; paired with highest heat efficiency due to direct flue gas utilization
• Utilization of process engineering synergies in the area of exhaust air purification – the dryer simultaneously functions as a flue gas purifier with chemical separation of SO2 by reaction of existing NH3 from the drying process.
• Carbon content of the Carbonisate enables a CO2 sink in the range of 0.7-0.9 t CO2 per t Carbonisate!
• Quality of derived Carbonisate at highest level! e.g. PAH level < 2 mg/kg according to EBC standard
• Thermal Destruction of “modern contaminations” such as PFAS, Microplastic, medical residues etc.

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