Potential benefits of pyrolysis chars for wastewater treatment and as a soil conditioner

Jessica Shepherd, The University of Edinburgh: PRESENTATION ONLY


Bioavailability vs plant uptake Is estimation of bioavailability of P and PTEs with extraction methods? Rapid plant growth tests No soil; compared with pot trials for contaminant ‘worst case scenario’ pH and bioavailability Does adding biochar increase bioavailability of P in different soils due to pH increase?

Biochar produced from ADSS feedstock has: High extractable P content High capacity to adsorb additional P Produced in a (potentially) sustainable system But: Use as a fertiliser not yet confirmed UK/EU regulations for use not clear

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