TY - GEN
T1 - Parameter optimization of municipal sludge treated by supercritical water oxidation process
AU - Gao, Mei
AU - Wang, Shu Zhong
AU - Ma, Hong
PY - 2014
Y1 - 2014
N2 - Supercritical water oxidation process can effectively degrade the total nitrogen in municipal sludge. In order to obtain the optimum parameters of municipal sludge treated by supercritical water oxidation, this article selected the total nitrogen removal rate as the evaluation value, and used response surface methodology to optimize the parameters of sludge treatment by supercritical water oxidation, the parameters including temperature, pressure, residence time and oxidation coefficient. The results show that the reaction temperature, pressure and residence time exist interaction, and the influence degree of parameters is: pressure > reaction temperature > reaction retention time; The optimum reaction conditions are as follows: reaction temperature 539 °C, pressure 27 MPa, residence time 434 s, and oxidation coefficient 2.16, under these conditions, the total nitrogen decreasing efficiency can reach 74.12%.
AB - Supercritical water oxidation process can effectively degrade the total nitrogen in municipal sludge. In order to obtain the optimum parameters of municipal sludge treated by supercritical water oxidation, this article selected the total nitrogen removal rate as the evaluation value, and used response surface methodology to optimize the parameters of sludge treatment by supercritical water oxidation, the parameters including temperature, pressure, residence time and oxidation coefficient. The results show that the reaction temperature, pressure and residence time exist interaction, and the influence degree of parameters is: pressure > reaction temperature > reaction retention time; The optimum reaction conditions are as follows: reaction temperature 539 °C, pressure 27 MPa, residence time 434 s, and oxidation coefficient 2.16, under these conditions, the total nitrogen decreasing efficiency can reach 74.12%.
KW - Municipal sludge
KW - Response surface methodology
KW - Supercritical water oxidation
KW - Total nitrogen removal rate
UR - https://www.scopus.com/pages/publications/84906738542
U2 - 10.4028/www.scientific.net/AMR.1010-1012.693
DO - 10.4028/www.scientific.net/AMR.1010-1012.693
M3 - 会议稿件
AN - SCOPUS:84906738542
SN - 9783038352099
T3 - Advanced Materials Research
SP - 693
EP - 698
BT - Environmental Protection and Resources Exploitation II
PB - Trans Tech Publications Ltd
T2 - 2nd International Conference on Advances in Energy and Environmental Science, ICAEES 2014
Y2 - 21 June 2014 through 22 June 2014
ER -