Chemically activated carbon on a fiberglass substrate for removal of trace atrazine from water

Zhongren Yue, James Economy, Kishore Rajagopalan, Gary Bordson, Marv Piwoni, Li Ding, Vernon L. Snoeyink, Benito J. Mariñas

Research output: Contribution to journalArticle

Abstract

Chemically activated fiber (CAF) for removal of trace atrazine from water was prepared by coating fiberglass assemblies with a phenolic resin along with a chemical activation agent of ZnCl2, then stabilization and heat treatment in N2 at 500 °C. The carbon on the CAF shows similar BET surface area and volumes of narrow micropores (<10 Å), higher volumes of wide micropores (10-20 Å) and narrow mesopores (20-50 Å), as compared with a commercially available GAC F-400. Adsorption isotherm data show that the CAF has a higher adsorption capacity for atrazine than the GAC, primarily because the CAF has an increased pore (10-50 Å) volume. The breakthrough tests show that the CAF filter is ten times more effective over the GAC filter in removing the atrazine to below the current USEPA standard of 3 ppb. The CAF filter also shows a better competitive adsorption of atrazine over the GAC filter in the presence of 50 times higher concentration of humic acid. Such a filter can be regenerated to 90% of its original activity by heating at 350 °C in air.

LanguageEnglish (US)
Pages3375-3380
Number of pages6
JournalJournal of Materials Chemistry
Volume16
Issue number33
DOIs
StatePublished - Aug 28 2006

Fingerprint

Atrazine
Herbicides
activated carbon
glass fibers
Activated carbon
fibers
Water
Fibers
filters
Substrates
water
adsorption
phenolic resins
Humic Substances
Adsorption
Phenolic resins
Adsorption isotherms
assemblies
fiberglass
isotherms

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

Cite this

Chemically activated carbon on a fiberglass substrate for removal of trace atrazine from water. / Yue, Zhongren; Economy, James; Rajagopalan, Kishore; Bordson, Gary; Piwoni, Marv; Ding, Li; Snoeyink, Vernon L.; Mariñas, Benito J.

In: Journal of Materials Chemistry, Vol. 16, No. 33, 28.08.2006, p. 3375-3380.

Research output: Contribution to journalArticle

Yue Z, Economy J, Rajagopalan K, Bordson G, Piwoni M, Ding L et al. Chemically activated carbon on a fiberglass substrate for removal of trace atrazine from water. Journal of Materials Chemistry. 2006 Aug 28;16(33):3375-3380. Available from, DOI: 10.1039/b606679h
Yue, Zhongren ; Economy, James ; Rajagopalan, Kishore ; Bordson, Gary ; Piwoni, Marv ; Ding, Li ; Snoeyink, Vernon L. ; Mariñas, Benito J./ Chemically activated carbon on a fiberglass substrate for removal of trace atrazine from water. In: Journal of Materials Chemistry. 2006 ; Vol. 16, No. 33. pp. 3375-3380
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