Fig. 9

PO4–P removal as a function of pH for sewage sludge (left) and manure (right). Different colours depict different substrates. Differences in manure type were not accounted in for this analysis. Each dot represents an experiment
PO4–P removal as a function of pH for sewage sludge (left) and manure (right). Different colours depict different substrates. Differences in manure type were not accounted in for this analysis. Each dot represents an experiment