Biosolids to land – circular benefits, challenges and a future? PRESENTATION ONLY

Lake, A. and McLeod, A., Jacobs, UK


Applying biosolids to land offers significant circular economy benefits – such as in recycling of nutrients and sequestration of carbon – particularly in the face of Climate Emergency. Against the backdrop of increasingly challenging regulatory and human health considerations, it is important that water companies develop better understanding of wider benefits of biosolids to land within their catchments; increasingly, regulatory frameworks seek to better consider these aspects – including carbon, natural capital, and circular economy. Quantifying the benefits of biosolids to land is likely to be of increasing relevance. Drawing on case studies of Jacobs’ global experience developing biosolids to land strategies for Water Utilities and future sludge treatment technologies, this paper will discuss how broader benefits may be considered for biosolids land application – including carbon benefits and considerations beyond carbon. Opportunities for improved understanding and examples of industry wide approaches and tools will be presented within the context of the UK regulatory framework and emerging European and global focus areas.

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