Chemical Journal of Chinese Universities ›› 2014, Vol. 35 ›› Issue (6): 1286-1292.doi: 10.7503/cjcu20140003
• Physical Chemistry • Previous Articles Next Articles
ZHU Suiyi, XU Dongfang, FANG Shuai, GENG Zhi*(), YANG Xia
Received:
2014-01-02
Online:
2014-06-10
Published:
2014-05-12
Contact:
GENG Zhi
E-mail:aaavbackkom@163.com
Supported by:
CLC Number:
ZHU Suiyi, XU Dongfang, FANG Shuai, GENG Zhi, YANG Xia. Sunlight-Responsive Ag2S/Ag3PO4 Composite Preparation and Degradation of Salicylic Acid†[J]. Chemical Journal of Chinese Universities, 2014, 35(6): 1286-1292.
Fig.6 Influence of Ag2S doping in Ag2S/Ag3PO4 with hydrothermal treated at 120 ℃ for 4 h on degradation of salicylic acida. Ag3PO4; b. 0.5%Ag2S/Ag3PO4; c. 1%Ag2S/Ag3PO4; d. 2%Ag2S/Ag3PO4.
Fig.7 Influence of hydrothermal temperature of 1%Ag2S/Ag3PO4 with hydrothermal treated for 4 h on degradation of salicycic acida. 40 ℃; b. 80 ℃; c. 120 ℃; d. 160 ℃.
Fig.8 Influence of hydrothermal time of 1%Ag2S/Ag3PO4 with hydrothermal treated at 120 ℃ on degradation of salicylic aeidTime/h: a. 2; b. 4; c. 8; d. 16.
Fig.9 Influence of different light source current intensity on degradation of salicylic acid by 1%Ag2S/Ag3PO4pH value of salicylic acid is 6.0; c0=20 mg/L; amount of catalysts is 0.15 g. I/A: a. 10; b. 15; c. 20.
Fig.10 Influence of initial pH value in solution on degradation of salicylic acid by 1%Ag2S/Ag3PO4Light source current intensity is 15 A; the amount of catalysts is 0.15 g; c0=20 mg/L. a. pH=4.0; b. pH=6.0; c. pH=8.0.
Fig.11 Photolysis of salicylic acid(a) and influence of catalyst amount(c—d) on degradation of salicylic acid by 1%Ag2S/Ag3PO4Light source current intensity is 15 A; V=100 mL, pH=6.0; c0=20 mg/L. m(1%Ag2S/Ag3PO4)/g: a. 0; b. 0.05; c. 0.15; d. 0.25.
Fig.12 Influence of initial concentration of salicylic acid on degradation of salicylic acid by 1%Ag2S/Ag3PO4Light source current intensity is 15 A; pH value is 6.0; the amount of catalysts is 0.15 g. csalicylic acid/(mg·L-1): a. 10; b. 20; c. 30.
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