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Effect Of Phosphorus Accumulation On Acetate Metabolism In The Biological Phosphorus Removal Process by Takashi Mino; Viswanath Arun; Yoshiaki Tsuzuki; Tomonori Matsuo is a book available to read on EtoBox.

What is Effect Of Phosphorus Accumulation On Acetate Metabolism In The Biological Phosphorus Removal Process about?

An experimental study was carried out to investigate the metabolic pathway of acetic acid and the relationship between the phosphorus accumulation in the sludge and the metabolism of organic substrates in the anaerobic aerobic biological phosphorus removal process. Two laboratory-scale anaerobic aerobic processes were operated continuously with different phosphorus loadings and batch experiments were conducted with the sludges obtained from the continuous systems. The metabolic pathway of acetate was postulated, in which NADH2 required for PHB synthesis is supplied from the consumption of intracellular carbohydrate through the EMP pathway. The ability of the sludge to uptake acetate anaerobically was limited by the amount of polyphosphate stored in the cell, so long as the phosphorus content of sludge was below 35 mgP/gVSS. From energy balance consideration, the energy required for the accumulation of polyphosphate is found to be very little compared with the total energy produced and the sludge can maintain the yield coefficient at a required level even when a large amount of polyphosphate is accumulated.

Author

Takashi Mino; Viswanath Arun; Yoshiaki Tsuzuki; Tomonori Matsuo

Published

1987

Language

EN