Oxidation of carbon nanotubes using for Cu(II) adsorption from aqueous solution
Vol. 128 No. 1B (2019), Original Article
Vol. 128 No. 1B (2019)

Oxidation of carbon nanotubes using for Cu(II) adsorption from aqueous solution

Original Article
https://doi.org/10.26459/hueuni-jns.v128i1B.5216
Published 2019-06-06
Nguyen Duc Vu Quyen
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Tran Ngoc Tuyen
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Dinh Quang Khieu
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Dang Xuan Tin
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Bui Thi Hoang Diem
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Nguyen Thi My Tinh
Chemistry Department, Hue University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Vietnam
Pham Thi Ngoc Lan
V Central Transportation Community College, 28 Ngo Xuan Thu St., Danang, Vietnam
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Keywords

Oxidized carbon nanotubes
CuII adsorption capacity
CuII adsorption
potassium permanganate
oxidized CNTs.

How to Cite

1.
Quyen NDV, Tuyen TN, Khieu DQ, Tin DX, Diem BTH, Tinh NTM, Lan PTN. Oxidation of carbon nanotubes using for Cu(II) adsorption from aqueous solution. hueuni-jns [Internet]. 2019Jun.6 [cited 2024Nov.14];128(1B):5-12. Available from: http://222.255.146.83/index.php/hujos-ns/article/view/5216
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Abstract

Carbon nanotubes (CNTs) synthesized by chemical vapour deposition without using hydrogen were oxidized with 0.1 M potassium permanganate at 40oC for 2 hours and exhibited high CuII adsorption capacity from aqueous solution. X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), scanning electron microscope (SEM), transmission electron microscope (TEM) and nitrogen adsorption/desorption isotherms were used to characterize the oxidized CNTs. After oxidizing, the obtained CNTs were used to remove CuII from aqueous solution. With CuII initial concentration of 20 mg.L-1, at pH of 4 and adsorbent dosage of 0.2 g.L-1, the oxidized CNTs exhibited high CuII adsorption ability with maximum adsorption capacity of 174.4 mg.g-1.
https://doi.org/10.26459/hueuni-jns.v128i1B.5216
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