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This is a bench top simulation of the full cale anaerobic digestion of sample material and is usually carried out over several retention periods i.e. 90 days or longer.
Indicates the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline.
Total Organic Nitrogen is a required parameter for regulatory reporting at many treatment plants, and as a means of monitoring plant operations.