Application of surfactant-modified montmorillonite in nitrophenol removal by adsorption

• Autorzy: Baysal Gülay

Identyfikatory

DOI

10.5277/epe190202

• Języki publikacji: EN

Abstrakty

EN

Quaternary ammonium salts (QASs) such as 1-methyl-di-nonyl-1 phenyl ammonium iodide (QAS₁) and 1-methyl-di-dodecyl-1 phenyl ammonium iodide (QAS₂) were newly synthesized by complete alkylation reaction for modification of sodium montmorillonite (Mt). The sodium montmorillonite was modified via an ion-exchange reaction with QAS₁ and QAS₂, and two organoclays, Mt₁ and Mt₂, have been obtained. The synthesized quaternary ammonium salts were analyzed by nuclear magnetic resonance spectroscopy (NMR). The organoclays (Mt₁ and Mt₂) were characterized by a range of methods including X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The adsorption capacities of the synthesized organo-montmorillonites for the hydrophobic organic pollutant 4-nitrophenol (4-NP) have been evaluated. The distances between the organoclay layers showed a much better opening than that reported in the literature. The results show that the adsorption capacity increased in the order Mt₂ > Mt₁. The adsorption capacities of Mt₁ and Mt₂ for 4-NP were 77% and 81%, respectively.

Słowa kluczowe

EN

nitrophenol removal; activated carbon; NMR

PL

usuwanie nitrofenoli; węgiel aktywny; NMR

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2019
• Tom: Vol. 45, nr 2
• Strony: 19--33
• Opis fizyczny: Bibliogr. 19 poz., tab., rys.

Twórcy

autor

Baysal Gülay

• Food Engineering, Engineering Faculty, Istanbul Aydin University, Istanbul, 34295, Turkey

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).