Combined Fe0/air and Fenton process for the treatment of dinitrodiazophenol (DDNP) industry wastewater

Yuan, Yue; Lai, Bo; Tang, Yunyi

doi:10.1016/j.cej.2015.08.104

Cited by 69 publications

(15 citation statements)

References 39 publications

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“…[1][2][3][4] All of these industrial wastewaters are difficult to treat directly by a conventional biological system, 5 and some of them are considered hazardous wastewaters. p-Nitrophenol (PNP) and its derivatives are typical aromatic pollutants discharged from pesticides, plasticizers, dyes and explosives.…”

Section: Introductionmentioning

confidence: 99%

“…Fe 2+ + H 2 O 2 / cOH + Fe 3+ + OH À (2) In literature, deposition of Cu on Fe 0 surface by displacement plating is the prevailing method to prepare the Fe/Cu bimetallic particles. 13,14,20,21 In our previous work, the reactivity and operational life of Fe/Cu bimetallic particles could be improved through optimizing the preparation conditions (e.g., temperature, Cu 2+ concentration, pH, etc.)…”

Section: Introductionmentioning

confidence: 99%

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Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Ren

Lai

2016

RSC Adv.

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In this study, an electroless (electrode-less) copper plating technology was developed to prepare the high-reactive and robust iron-copper (Fe/Cu) bimetallic particles. First, effect of pretreatment and key preparation parameters (e.g., complexant, H 3 BO 3 , NiSO 4 $7H 2 O, pH and plating time) on the reactivity of Fe/Cu bimetallic particles were investigated, respectively. Their reactivity was evaluated according to the obtained K obs for PNP removal. Also, the characteristics of Fe/Cu bimetallic particles prepared by electroless plating and displacement plating were comparatively observed by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). The analysis results show that when Fe/Cu bimetallic particles were prepared by electroless plating, copper was uniformly deposited on the surface of Fe 0 substrate, and only a few bulky particles were observed. However, plenty of loose copper blocks were heterogeneously distributed on the surface of Fe 0 substrates when the Fe/Cu bimetallic particles were prepared by the conventional displacement plating. Furthermore, the operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process were comparatively investigated by the recycling experiment. The results suggest that the new Fe/Cu bimetallic particles have a longer operational life than that of the conventional Fe/Cu bimetallic particles. Meanwhile, it can be seen from the control experiments that the new Fe/Cu bimetallic particles have a stronger reactivity for the PNP removal both in Fe/Cu/air and Fe/Cu/N 2 processes. As results, the new electroless plating for the preparation of Fe/Cu bimetallic particles is superior to the conventional displacement plating. In other words, the electroless copper plating is a promising technology to prepare the high-reactive and robust Fe/Cu bimetallic particles.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Ren

Lai

2016

RSC Adv.

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“…S4 †(b)). Nevertheless, the presence of PS could accelerate the passivation of Fe 0 as reported by Lai, 33,34 and the Fe 0 /PS system in alkaline solutions still developed reactive ability to degrade SDZ. Therefore, the removal rate at 10 min did not decrease with increasing pH.…”

Section: Effect Of Initial Phmentioning

confidence: 86%

“…Besides, Guo et al 12,32 rstly reported that common oxidants could enhance the reactivity of Fe 0 by cleaning the precipitation of ferric hydroxides at the Fe 0 surface. Lai et al 33,34 also reported that the PS could accelerate the reductive rate of 4-nitrophenol by Fe 0 . Thus Fe 0 exhibiting more reactivity in the presence of PS also can generate cOH rather than cSO 4 À with dissolved oxygen in aquatic chemistry.…”

Section: Introductionmentioning

confidence: 98%

Degradation of aquatic sulfadiazine by Fe⁰/persulfate: kinetics, mechanisms, and degradation pathway

Shidong

Che

2017

RSC Adv.

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“…In the nZVI Fentonlike system, the Fe 2+ concentration increased rapidly during the first 20 min (Eq. (1)), which has reported that the presence of oxidants could accelerate the corrosion rate of nZVI [44,45], and then decreased gradually over 60 min. The same phenomenon was found in the nZVI system.…”

Section: The Synergetic Catalytic Effect Between Nzvi and Dissolved Imentioning

confidence: 96%

The Synergetic Effects in a Fenton-like System Catalyzed by Nano Zero-valent Iron (nZVI)

Yao¹,

Hu²,

Wu³

et al. 2019

Pol. J. Environ. Stud.

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Combined Fe0/air and Fenton process for the treatment of dinitrodiazophenol (DDNP) industry wastewater

Cited by 69 publications

References 39 publications

Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Degradation of aquatic sulfadiazine by Fe⁰/persulfate: kinetics, mechanisms, and degradation pathway

The Synergetic Effects in a Fenton-like System Catalyzed by Nano Zero-valent Iron (nZVI)

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Combined Fe0/air and Fenton process for the treatment of dinitrodiazophenol (DDNP) industry wastewater

Cited by 69 publications

References 39 publications

Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Comparative study on the characteristics, operational life and reactivity of Fe/Cu bimetallic particles prepared by electroless and displacement plating process

Degradation of aquatic sulfadiazine by Fe0/persulfate: kinetics, mechanisms, and degradation pathway

The Synergetic Effects in a Fenton-like System Catalyzed by Nano Zero-valent Iron (nZVI)

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Degradation of aquatic sulfadiazine by Fe⁰/persulfate: kinetics, mechanisms, and degradation pathway