The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2018
Session ID : 0209
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Reaction Rate Analysis on Phosphorus for Hydrothermal Treatment of Sewage Sludge
*Apip AMRULLAHYukihiko MATSUMURA
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Abstract

The purpose of this study was to investigate the effect of temperature and reaction time on the behavior of phosphorus in sub- and supercritical water gasification of sewage sludge. Gasification was carried out using a continuous flow reactor, and experimental runs were conducted by varying temperature as 300, 350, 500, and 550°C and reaction time in the range of 5- 30 s. The pressure was fixed at 25 MPa. The effect of temperature and reaction time on P behavior of sewage sludge was investigated. The results showed that organic phosphorus (OP) was almost completely converted into inorganic phosphorus (IP) under supercritical condition and shorter residence time (10 s).

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© 2018 The Japan Society of Mechanical Engineers
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