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Anaerobic digestion

Anaerobic digestion (AD) is the most extensively employed sludge stabilisation process. AD stabilises the sludge biologically in the absence of air. In doing so, it reduces the amount of volatile solids by their conversion to a biogas (methane CH4, carbon dioxide CO2 and water H2O). The biogas then demands further processing for recovery and reuse of its methane content.

Anaerobic digestion related videos

Biological nutrient removal via conventional denitrification/nitrification Source: Judd Water & Wastewater Consultants / YouTube

Biological nutrient removal via conventional denitrification/nitrification

In this video, Simon Judd gives an overview of nitrogen removal in MBRs. A taster for Judd Water & Wastewater Consultants' bespoke training package: MBR Insights.

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Anaerobic digestion features and blogs

PFAS molecule

How do you solve a problem like PFAS?

PFAS (per- and polyfluoroalkyl substances) are generated from the breakdown of fluorinated polymers. The activation barrier for their breakdown is huge and the only fully commercialised processes possibly capable of destroying PFAS are thermochemical ones.

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