FeAl-layered double hydroxide (FeAl-LDH) supported by char was synthesized using the hydrothermal method in order to activate hydrogen peroxide (H2O2) to degrade phenol. The effects of char type, char synthesis amount, and several important parameters on the degradation were investigated. In addition, the physicochemical properties of FeAl-LDH@BC were revealed by instruments including the transmission electron microscope (TEM), X-ray diffraction (XRD), and Fourier-transform infrared (FT-IR). The results showed that the degradation efficiency of phenol (80 mg/L) by FeAl-LDH@BC0.25 was 85.28% at a pH of 3 and H2O2 concentration of 400 mg/L, and exhibited good reusability with a small amount of iron leaching. Electron paramagnetic resonance (EPR) and radical quenching results indicated that center dot OH radicals were the main participant during the degradation process, and XRD and FTIR spectra showed that FeAl-LDH was dissolved and rebuilt during the degradation process, and a small amount of iron was leached out resulting in the homogeneous catalysis. Hence, both homogeneous and heterogeneous processes occurred in the phenol oxidation process. Further soil remediation experiments showed that FeAl-LDH@BC0.25 could also effectively degrade phenol in soil, although the efficiency was lower than that in solution. (C) 2020 Published by Elsevier Ltd.
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Liu, Jiahang
Li, Xiaoyang
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Li, Xiaoyang
Chu, Yingying
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Chu, Yingying
Yuan, Ling
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Yuan, Ling
Lv, Ruolin
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Lv, Ruolin
Zhang, Weiming
论文数: 0引用数: 0
h-index: 0
机构:
Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
Nanjing Univ, Res Ctr Environm Nanotechnol ReCENT, Nanjing 210023, Peoples R ChinaNanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing 210023, Peoples R China
机构:
Hubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R ChinaHubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R China
Liu, Junyi
Xie, Hao
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R China
Hubei BIM Smart Construct Int Sci & Technol Coope, Wuhan 430205, Peoples R ChinaHubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R China
Xie, Hao
Hu, Xuetao
论文数: 0引用数: 0
h-index: 0
机构:
Hubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R China
Hubei BIM Smart Construct Int Sci & Technol Coope, Wuhan 430205, Peoples R ChinaHubei Univ Educ, Res Inst Mat Sci, Wuhan 430205, Peoples R China