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Adsorption of basic yellow dye dataset using Ethiopian kaolin as an adsorbent.

ABSTRACT: This article presents batch experimental data describing the main batch adsorption operation parameters. Also the adsorption models (adsorption isotherm, adsorption kinetics and thermodynamic studies) of basic yellow dye on to the raw and treated kaolin adsorbents. Besides, instrumental analyses were recorded to characterize kaolin adsorbent. Such as, thermogravimetric analyzer, Fourier transformation infrared and scanning electroscope with energy dispersion spectroscopy were used. UV-Visible spectrometer was used throughout the experimental study for the determination of absorbance. The effect of adsorption temperature (30 °C, 50 °C 70 °C), PH (3, 7, 9), initial dye concentration (20 mg/l, 40 mg/l, 60 mg/l), contact time (20 min, 40 min, 60 min, 80 min, 100 min) and adsorbent dosage (0.1, 0.5, 1, 1.5, 2 g/100ml) have been well determined. For adsorbent characteristics, we provide dataset regarding (i) thermogravimetery with differential scanning calorimetery, (ii) Fourier transform infrared spectral data before and after basic yellow dye adsorption process, (iii) scanning electroscope with energy dispersion spectroscopy image at ×500 resolution, (iv) X-ray diffraction and, (v) batch adsorption experimental parameters records. Regarding scanning electroscope with energy dispersion spectroscopy image, we provide data of three surface morphology image and three elemental distribution spectra for raw and treated kaolin adsorbent.

SUBMITTER: Aragaw TA

PROVIDER: S-EPMC6811902 | biostudies-other | 2019 Oct

REPOSITORIES: biostudies-other

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Adsorption of basic yellow dye dataset using Ethiopian kaolin as an adsorbent.

Aragaw Tadele Assefa TA Angerasa Fikiru Temesgen FT

Data in brief 20190913

This article presents batch experimental data describing the main batch adsorption operation parameters. Also the adsorption models (adsorption isotherm, adsorption kinetics and thermodynamic studies) of basic yellow dye on to the raw and treated kaolin adsorbents. Besides, instrumental analyses were recorded to characterize kaolin adsorbent. Such as, thermogravimetric analyzer, Fourier transformation infrared and scanning electroscope with energy dispersion spectroscopy were used. UV-Visible sp ...[more]

PMID: 31667267

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Project description:The adsorption behavior of an organic dye, metanil yellow (My), from water using micro-nano silica particles (MNSPs) was investigated. MCM-41-like (Mobil Composition of Matter No. 41) MNSPs were synthesized using tetraethoxy orthosilicate as a silica source and hexadecyltrimethylammonium bromide (CTAB) as a surfactant under basic conditions. Comparative studies were performed to assess the adsorption behaviors of the organic dye using the as-synthesized MCM-41 before the removal of CTAB and MCM-41, either after one, two, and three times of chemical etching or after calcination. My was adsorbed more effectively from water on the as-synthesized MCM-41 without the removal of the surfactant than on MCM-41 after the removal of the surfactant by chemical etching or calcination. In addition, MCM-41 after removing the surfactant by one-time chemical etching in the presence of hydrochloric acid also showed better adsorption of My from water than MCM-41 after removing the surfactant by further two and three times of chemical etching or calcination. For comparison, other kinds of dye molecules with different chemical structures such as methylene blue (Mb) and rhodamine B (Rb) were also used to check the possibility of adsorption of various dyes by the CTAB-supported MNSPs. To better understand the reason behind the adsorption phenomena, detailed studies on the kinetics and thermodynamics of adsorption of the MNSPs were performed. Excellent adsorption of My was observed at concentrations up to 100 mg L-1 at 25 °C, whereas the adsorption was lower at higher concentrations of the My dye. Furthermore, enhanced My dye adsorption was observed at higher concentrations by increasing the adsorption temperature. It can be concluded that the MNSPs exhibited efficient adsorption of My, when the MNSPs are used without the removal of the surfactant and any further modifications, suggesting that the surfactant played key roles in the effective adsorption of the anionic dye. The as-synthesized MCM-41 was, however, not a good adsorbent for cationic dyes such as Mb and Rb.

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Adsorption of basic yellow dye dataset using Ethiopian kaolin as an adsorbent.

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Adsorption of basic yellow dye dataset using Ethiopian kaolin as an adsorbent.

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