Characteristics and mechanisms of atrazine sorption to biochar for the remediation of contaminated land

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• Oliver McMillan, CUED
• Thursday 19 April 2018, 16:00-16:45
• Cambridge University Engineering Department, Lecture Room 0.

If you have a question about this talk, please contact Magdalena Charytoniuk.

This talk will discuss the results of my PhD thesis which has investigated biochar for the remediation of land contaminated with atrazine. Atrazine is a commonly used herbicide that is regularly found in groundwater supplies. Biochar is a sustainable and cost-effective soil amendment which may effectively control atrazine in the environment. However, the mechanisms through which it immobilises atrazine are not fully understood, nor how these mechanisms will influence the long-term stability of a remediated site. This thesis presents a novel method of assessing biochar for the short- and long-term immobilisation of atrazine, while also providing useful insights into other contaminants. It then determines the mechanisms of atrazine sorption to a set of nine model biochars under various conditions and uses this method to assess the likely effectiveness of each sample.

This talk is part of the Engineering Department Geotechnical Research Seminars series.

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