Treatment of a simulated sludge by ultrasonic zero-valent iron/EDTA/Air process: Interferences of inorganic salts in polyaromatic hydrocarbon removal

Lai, Xiaojun; Ning, Xun‐an; He, Yao; Yuan, Yiqian; Sun, Jian; Ke, Yaowei; Man, Xiaoyuan

doi:10.1016/j.wasman.2019.01.009

Cited by 13 publications

(2 citation statements)

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“…As is well known, the hydroxyl radicals from the Fenton reaction have strong oxidation , and they can oxidize the carbon nearby to form the carbon free radicals. According to the role of the adventitious carbon in the photocatalytic nitrogen reduction by TiO 2 and the auto-oxidation process of alkyd resin catalyzed by the driers, , the carbon free radicals have strong adsorption to O 2 , which is helpful to improve the kinetics of ORR.…”

Section: Results and Discussionmentioning

confidence: 99%

A “MOF-Protective-Pyrolysis” Strategy for the Preparation of Fe–N–C Catalysts and the Role of Fe, N, and C in the Oxygen Reduction Reaction in Acidic Medium

Wang

Wei

et al. 2019

ACS Appl. Mater. Interfaces

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M–N–C electrocatalysts for the oxygen reduction reaction (ORR) have been considered as the most promising alternatives to precious metal catalysts. However, the catalytic activity of M–N–C especially in an acidic medium is still unable to meet the practical requirement, and the corresponding ORR mechanism also remains unclear. Herein, an “MOF-protective-pyrolysis” strategy was adopted to synthesize an Fe–N–C catalyst (P-FeMOF@ZIF-8) with Fe–N4 as the predominant Fe species. The P-FeMOF@ZIF-8 displays high catalytic activity in both acidic and alkaline mediums. The experimental results further reveal the different importance of the Fe species in different mediums. Based on the results, a distinct mechanism of the ORR the in acidic medium was proposed, where the synergistic effect of the Fe–N4 site and carbon in improving the kinetics of the ORR were well explained. The findings and the corresponding perspective may provide a new guidance for the design of highly efficient ORR electrocatalysts.

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Section: Results and Discussionmentioning

confidence: 99%

A “MOF-Protective-Pyrolysis” Strategy for the Preparation of Fe–N–C Catalysts and the Role of Fe, N, and C in the Oxygen Reduction Reaction in Acidic Medium

Wang

Wei

et al. 2019

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

“…In both cases, the spills were reported to occupy large area and consequently washed into the oceans. Petroleum and industrial sludges have also been a major deposit of PAHs and phenols [32,33].…”

Section: Sources Of Pahs and Phenolsmentioning

confidence: 99%