Understanding and Predicting Foam in Anaerobic Digester

Ifeyinwa Rita Kanu, Thomas J Aspray, Adebayo Adeloye

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As a result of the ambiguity and complexity
surrounding anaerobic digester foaming, efforts have been made by
various researchers to understand the process of anaerobic digester
foaming so as to proffer a solution that can be universally applied
rather than site specific. All attempts ranging from experimental
analysis to comparative review of other process has not fully
explained the conditions and process of foaming in anaerobic
digester. Studying the current available knowledge on foam
formation and relating it to anaerobic digester process and operating
condition, this piece of work presents a succinct and enhanced
understanding of foaming in anaerobic digesters as well as
introducing a simple method to identify the onset of anaerobic
digester foaming based on analysis of historical data from a field
scale system
Original languageEnglish
Pages (from-to)1056-1060
Number of pages5
JournalInternational Journal of Biological, Biomolecular, Agricultural, Food and Biotechnological Engineering
Issue number10
Publication statusPublished - 2015


  • Anaerobic digester, foam, biogas, surfactants,


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