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光催化降解土壤中多环芳烃
陈肖萍, 陈巧珊, 毕进红
化学进展, 2021, 33(8): 1323-1330.   DOI: 10.7536/PC200743

Catalyst PAHs studied Experimental conditions ref
anatase TiO2
0~4 wt%
PYR
40 mg/kg
5 g soil, UV irradiation(253.7 nm, 119, 238, 357 μW/cm), 25 h, Distance between light source and samples 10 cm, 25 ℃, 0~40 mg/kg humic acid, 0~30 wt% H2O2 27
rutile TiO2
0~4 wt%
PHEN, PYR
40 mg/kg
same as above 28
anatase TiO2
0.5~3 wt%
PHEN, PYR, B(a)P
40 mg/kg
5 g soil, UV irradiation(254, 310, 365 nm, 1071 μW/cm), 120 h, Distance between light source and samples 15 cm, pH 4.2, 6.8, 9.7, 30 ℃, 0~40 mg/kg humic acid 29
anatase TiO2
0.5~3 wt%
B(a)P
40 mg/kg
same as above 30
P25 TiO2
1 wt%、10 wt%、20 wt%
12 PAH
4382 ng/g
UV-A and UV-C irradiation, 24 h, pH 10.1, 18 and 30 ℃ 31
P25 TiO2
10 mg/mL
FANTH
19.4 mg/kg
200 mg soil, Xenon lamp, Extraction of FANTH from soil with 22.5 mL cyclohexane and 7.5 mL ethanol, 6 h 32
TiO2@ZnHCF
5~25 mg
ACN, PHEN, FLUO
60~300 mg/kg
solar light(463±181 W/m), 24 h, Water to soil ratio 30∶1, pH 5~9, 32.3±3.8 ℃ 33
Fe2O3
1~7 wt%
PHEN, PYR, B(a)P
40 mg/kg
5 g soil, UV irradiation(254 nm, 1071 μW/cm), 120 h, Distance between light source and samples 15 cm, pH 4.2, 6.8, 9.7, 30 ℃, 5~40 mg/kg humic acid 34
akaganeite nano-rods
0~10 wt%
PHEN
50 μg/g
2 g soil, UV irradiation(254, 365, 410 nm), 120 h, pH 4.5, 7.2, 9.2, 0~5 wt% oxalic acid 35
iron oxides
0~5 wt%
B(a)P
50 μm/g
UV irradiation(254, 365, 410 nm), 120 h, pH 5.4, 6.8, 8.1, 0~40 wt% oxalic acid 21
FeHCF
5 wt%
B(a)P, PHEN, FLUO,
CHR, ANTH
50~200 mg/g
0.5 g soil, sunlight(452±183 W/m) and UV irradiation, 48 h, pH 5.1, 6.8, 8.0, 31.1 ± 1.7 ℃ 36
KZnHCF
25 mg
B(a)P, PHEN, FLUO,
CHR, ANTH
50~200 mg/
0.5 g soil, solar light(10.04 kW/m2/day) and UV irradiation(254 nm), 48 h, pH 5.1, 6.8, 8.0 37
MMCRC
2 wt%
PHEN
200 mg/kg
15 g soil, Aged for a month, visible light, 10 h, Distance between light source and samples 15 cm, under 30 ℃, moisture content 60%~80% 38
g-C3N4
6 wt%
PHEN
200 mg/kg
visible light(15 g soil, under 30 ℃), solar light(250 g soil, 33~38 ℃), 10 h, moisture content about 60% 39
g-C3N4@Fe3O4
3 wt%
PHEN
200 mg/kg
15 g soil, Aged for 6 month, visible light, 2 h, under 30 ℃, moisture content about 50% 40
表2 光催化技术修复土壤PAHs污染的应用实例
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