Open AccessEffect of Calcination Temperature on the Performance of Pd-Based Catalysts
Author(s) -
Yongli Zhang
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/514/5/052044
Subject(s) - calcination , catalysis , effluent , chemistry , nuclear chemistry , wastewater , materials science , inorganic chemistry , chemical engineering , waste management , organic chemistry , engineering
It is difficult to biodegrade organic waste-water, which is treated by catalytic wet oxidation method. The catalyst Pd-Fe-Co-Ce/FSC (ratio 1:1:1:3), and the calcination time was 3 h, and the calcination temperatures were set to 400, 550, 700, and 850 °C, respectively. When the calcination temperature was 550 °C, the experimental results show that: when Pd-Fe-Co-Ce/FSC (ratio 1:1:1:3) is added with, the pH of wastewater is reduced, and then the pH will rise again; the Pd-Fe-Co-Ce/FSC (ratio 1:1:1:3) catalyst has good decolorization effect at 4 calcining temperatures, which can reach 92.7% - 97.9%, and 36.6% - 41.8% higher than the blank without catalyst; the best treatment effect is when the calcination time is 3 h and the calcination temperature is 550 °C. The addition of Pd-Fe-Co-Ce/FSC (ratio 1:1:1:3) after treatment of printing waste-water, its COD removal rate increased significantly, and the final effluent percentage reached 71.7% - 88.8%.