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Pre-Pyrolysis Metal and Base Addition Catalyzes Pore Development and Improves Organic Micropollutant Adsorption to Pine Biochar
Authors: Murphy, B., Bentley, M., Kearns, J., and Summers, R.S.
Chemosphere, Vol 286:131949, January 2022
In a recent study, a team found that pre-pyrolysis base and metal addition can catalyze changes in biochar pore structure, with the observation that base pretreatment increases micropore surface area and OMP adsorption. The study also established that alkali and alkaline earth metals primarily increase non-micropore surface area. As a result, this high micropore surface area increases sorption of organic micropollutants. Additionally, non-micropore surface area increases fouling by background dissolved organic matter.
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