Ultrasonic-assisted synthesis of reactive carboxymethyl cellulose stabilized nano zero-valent iron and its application for removal of Cr6+ and Cu2+ ions

• Autorzy: Ayob A. , Santiagoo R. , Amneera W. A. , Ismail N. , Abdullah A. Z.

Identyfikatory

DOI

10.5277/epel60204

• Języki publikacji: EN

Abstrakty

EN

Carboxymethyl cellulose (CMC) was used in the chemical reduction using sodium borohydride to yield dispersive nano zero-valent iron (nZVI) particles as reactive and stable adsorbents. CMC- -stabilized nZVI particles were characterized via UV-visible light spectroscopy, X-ray diffraction, dynamic light scattering, transmission electron microscopy, and specific surface area assisted using a probe ultrasonication dispersing tool at 50% amplitude power. High catalytic reactivity obtained in pseudo-first order reaction for Cr⁶⁺ (rate constant K1 = 0.0311 min^–1) and pseudo-second order for Cu²⁺ (rate constant K2 = 0.0946 g·mg^–1·min^–1) indicated that colloidal stability of nZVI particles can be achieved with a stabilizer for the removal of toxic contaminants.

Słowa kluczowe

EN

high resolution transmission; electron microscopy; light scattering; transmission electron microscopy X ray diffraction; zero-valent iron

PL

wysoka rozdzielczość transmisyjna; mikroskopia elektronowa; dyfrakcja rentgenowska; żelazo

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2016
• Tom: Vol. 42, nr 2
• Strony: 55--79
• Opis fizyczny: Bibliogr. 28 poz., rys.

Twórcy

autor

Ayob A.

• School of Environmental Engineering, Universiti Malaysia Perlis, Jejawi-Arau-Perlis; 02600, Malaysia

autor

Santiagoo R.

• School of Environmental Engineering, Universiti Malaysia Perlis, Jejawi-Arau-Perlis; 02600, Malaysia

autor

Amneera W. A.

• School of Environmental Engineering, Universiti Malaysia Perlis, Jejawi-Arau-Perlis; 02600, Malaysia

autor

Ismail N.

• School of Industrial Technology, Universiti Sains Malaysia, Minden, P. Pinang, 11800, Malaysia

autor

Abdullah A. Z.

• School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, P. Pinang; 14300, Malaysia

Bibliografia

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