下水汚泥の水熱処理におけるリンの反応速度解析

抄録

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).