An efficient catalytic degradation of trichloroethene in a percarbonate system catalyzed by ultra-fine heterogeneous zeolite supported zero valent iron-nickel bimetallic composite

Muhammad Danish, Xiaogang Gu, Shuguang Lu, Usman Farooq, Waqas Qamar Zaman, Xiaori Fu, Zhouwei Miao, Mark L. Brusseau, Ayyaz Ahmad, Muhammad Naqvi

Research output: Research - peer-reviewArticle

  • 3 Citations

Abstract

Zeolite supported nano iron-nickel bimetallic composite (Z-nZVI-Ni) was prepared using a liquid-phase reduction process. The corresponding surface morphologies and physico-chemical properties of the Z-nZVI-Ni composite were determined using scanning electron microscopy (SEM), transmission electron microscopy (TEM), Energy dispersive X-ray spectra (EDS), Brunauer Emmett Teller (BET) adsorption, wide angle X-ray diffractometry (WA-XRD), and Fourier transform infrared spectroscopy (FTIR). The results indicated high dispersion of iron and nickel nano particles on the zeolite sheet with an enhanced surface area. Complete destruction of trichloroethene (TCE) and efficient removal of total organic carbon (TOC) were observed by using Z-nZVI-Ni as a heterogeneous catalyst for a Fenton-like oxidation process employing sodium percarbonate (SPC) as an oxidant. The electron spin resonance (ESR) of Z-nZVI-Ni verified the generation and intensity of hydroxyl radicals (OH[rad]). The quantification of OH[rad] elucidated by using p-chlorobenzoic acid, a probe indicator, confirmed the higher intensity of OH[rad]. The transformation products were identified using GC–MS. The slow iron and nickel leaching offered higher stability and better catalytic activity of Z-nZVI-Ni, demonstrating its prospective long term applications in groundwater for TCE degradation.

LanguageEnglish (US)
Pages177-186
Number of pages10
JournalApplied Catalysis A: General
Volume531
DOIs
StatePublished - Feb 5 2017

Fingerprint

Zeolites
Trichloroethylene
Nickel
Hydroxyl Radical
Iron
Degradation
Composite materials
sodium percarbonate
Chlorobenzoates
Organic carbon
Oxidants
Chemical properties
X ray diffraction analysis
Leaching
Surface morphology
Paramagnetic resonance
Groundwater
Energy dispersive spectroscopy
Catalyst activity
Transmission electron microscopy

Keywords

  • Groundwater remediation
  • Heterogeneous Fenton catalyst
  • Sodium percarbonate (SPC)
  • Trichloroethene (TCE)
  • Z-nZVI-Ni

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

An efficient catalytic degradation of trichloroethene in a percarbonate system catalyzed by ultra-fine heterogeneous zeolite supported zero valent iron-nickel bimetallic composite. / Danish, Muhammad; Gu, Xiaogang; Lu, Shuguang; Farooq, Usman; Zaman, Waqas Qamar; Fu, Xiaori; Miao, Zhouwei; Brusseau, Mark L.; Ahmad, Ayyaz; Naqvi, Muhammad.

In: Applied Catalysis A: General, Vol. 531, 05.02.2017, p. 177-186.

Research output: Research - peer-reviewArticle

Danish, Muhammad ; Gu, Xiaogang ; Lu, Shuguang ; Farooq, Usman ; Zaman, Waqas Qamar ; Fu, Xiaori ; Miao, Zhouwei ; Brusseau, Mark L. ; Ahmad, Ayyaz ; Naqvi, Muhammad. / An efficient catalytic degradation of trichloroethene in a percarbonate system catalyzed by ultra-fine heterogeneous zeolite supported zero valent iron-nickel bimetallic composite. In: Applied Catalysis A: General. 2017 ; Vol. 531. pp. 177-186
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