Abstract

We report the ZnO nanoparticle-templated formation of nanoporous carbon (NTC) embedded with TiO 2 nanoparticles for the adsorption and photodegradation of organic pollutants in water. Small-angle X-ray scattering (SAXS) studies indicate that NTC and NTC-TiO 2 exhibit two types of porosities with average pore diameters of 2.8 and 11.5 nm, while Brunauer-Emmet-Teller (BET) surface area analysis revealed the surface area of 302 and 230 m 2 /g, respectively. These materials exhibit fast adsorption kinetics against methylene blue, ofloxacin, and tetracycline in water. Exposure of NTC-TiO 2 to UV-light results in higher contaminant adsorption due to the active photodegradation which prevents the saturation of the nanocomposite.

Original languageEnglish (US)
Pages (from-to)331-338
Number of pages8
JournalJournal of Water Process Engineering
Volume28
DOIs
StatePublished - Apr 1 2019

Fingerprint

Water Pollutants
Organic pollutants
Carbonization
organic pollutant
Nanoparticles
Adsorption
Glucose
glucose
Carbon
Photolysis
Photodegradation
photodegradation
adsorption
Water
carbon
Composite materials
surface area
Nanocomposites
Ofloxacin
Methylene Blue

Keywords

  • Carbonization
  • Mesoporous adsorbent
  • Nanotemplation
  • Photodegradation
  • Titanium dioxide

ASJC Scopus subject areas

  • Biotechnology
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal
  • Process Chemistry and Technology

Cite this

TiO 2 -carbon nanoporous composites prepared via ZnO nanoparticle-templated carbonization of glucose adsorb and photodegrade organic pollutants in water . / Barrera, Luis A.; Escobosa, Alma C.; Nevarez, Aileen; Dominguez, Noemi; Bañuelos, Jose L.; Westerhoff, Paul; Noveron, Juan C.

In: Journal of Water Process Engineering, Vol. 28, 01.04.2019, p. 331-338.

Research output: Contribution to journalArticle

Barrera, Luis A. ; Escobosa, Alma C. ; Nevarez, Aileen ; Dominguez, Noemi ; Bañuelos, Jose L. ; Westerhoff, Paul ; Noveron, Juan C. / TiO 2 -carbon nanoporous composites prepared via ZnO nanoparticle-templated carbonization of glucose adsorb and photodegrade organic pollutants in water In: Journal of Water Process Engineering. 2019 ; Vol. 28. pp. 331-338.
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AU - Nevarez, Aileen

AU - Dominguez, Noemi

AU - Bañuelos, Jose L.

AU - Westerhoff, Paul

AU - Noveron, Juan C.

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N2 - We report the ZnO nanoparticle-templated formation of nanoporous carbon (NTC) embedded with TiO 2 nanoparticles for the adsorption and photodegradation of organic pollutants in water. Small-angle X-ray scattering (SAXS) studies indicate that NTC and NTC-TiO 2 exhibit two types of porosities with average pore diameters of 2.8 and 11.5 nm, while Brunauer-Emmet-Teller (BET) surface area analysis revealed the surface area of 302 and 230 m 2 /g, respectively. These materials exhibit fast adsorption kinetics against methylene blue, ofloxacin, and tetracycline in water. Exposure of NTC-TiO 2 to UV-light results in higher contaminant adsorption due to the active photodegradation which prevents the saturation of the nanocomposite.

AB - We report the ZnO nanoparticle-templated formation of nanoporous carbon (NTC) embedded with TiO 2 nanoparticles for the adsorption and photodegradation of organic pollutants in water. Small-angle X-ray scattering (SAXS) studies indicate that NTC and NTC-TiO 2 exhibit two types of porosities with average pore diameters of 2.8 and 11.5 nm, while Brunauer-Emmet-Teller (BET) surface area analysis revealed the surface area of 302 and 230 m 2 /g, respectively. These materials exhibit fast adsorption kinetics against methylene blue, ofloxacin, and tetracycline in water. Exposure of NTC-TiO 2 to UV-light results in higher contaminant adsorption due to the active photodegradation which prevents the saturation of the nanocomposite.

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KW - Nanotemplation

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