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Doğan, Mehmet; Alkan, Mahir; Onganer, Yavuz

doi:10.1023/a:1005297724304

Cited by 302 publications

(65 citation statements)

References 13 publications

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“…In our previous works, we investigated the electrokinetic properties (42) and surface titration of perlite suspensions (43) and also the adsorption of methylene blue from aqueous solutions onto perlite samples (44). In the present study, removal of …”

Section: Introductionmentioning

confidence: 94%

“…The decrease in the amount of adsorption by expansion may be a result of a decrease in the number of hydroxyl groups on the perlite samples during the calcination. The decrease in the number of hydroxyl groups of the adsorbent, which are the main effective sites for adsorption, during the expansion of perlite is thought to cause a decrease in adsorption capacity, although expanded perlite has greater values of cation exchange capacity (CEC), zeta potential (ZP), and specific surface area than unexpanded perlite (44).…”

Section: Adsorption Isothermsmentioning

confidence: 99%

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Adsorption of Copper(II) onto Perlite

Alkan¹,

Doğan²

2001

Journal of Colloid and Interface Science

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195

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Section: Introductionmentioning

confidence: 94%

Section: Adsorption Isothermsmentioning

confidence: 99%

Adsorption of Copper(II) onto Perlite

Alkan¹,

Doğan²

2001

Journal of Colloid and Interface Science

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195

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“…The particles that were less than 50 μm were used for further experiments. 28 Sepiolite (5 g), which was suspended in toluene (100 mL), was refluxed at 80…”

Section: Modification Of Sepiolite With a Silane-coupling Agentmentioning

confidence: 99%

Characterization and Some Properties of Poly(vinyl chloride)/Sepiolite Nanocomposites

Turhan¹,

Doğan²,

Alkan³

2011

Adv Polym Technol

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Poly(vinyl chloride) (PVC)/sepiolite nanocomposites were prepared using PVC and natural, organo-modified, acid-activated, and calcined sepiolite samples through the solution intercalation method. Thermogravimetric (TG) analysis, UV-vis spectrophotometry, Fourier transform infrared spectroscopy, and scanning electron microscopy were used to determine the thermal stability, optical behavior, interactions, and morphology of samples, respectively. The dispersion of sepiolite in the PVC matrix was examined by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The nanocomposites exhibited higher thermal stability than that of pure PVC. XRD and TEM results showed that sepiolite particles were dispersed in the nanoscaled PVC matrix. The UV-vis spectra showed that the transmission of nanocomposites increased with the sepiolite content and wavelength. The thermal degradation behavior of PVC was investigated by using TG analysis under nonisothermal conditions at different heating rates under a nitrogen atmosphere. The apparent activation energy of samples was determined by using the Kissinger method. The nanocomposite showed higher activation energy than that of pure PVC. The

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“…Among various approaches towards MB removal from wastewater, adsorption and photocatalysis have been found to be superior to other methods because of its attractive features such as economical and effective method with a simple process. 14 Many adsorbents are introduced such as activated carbon, 15 sawdust, 16 perlite, 17 soybean hull, 18 kaolinite clay, 19 and rice straw. 20 However, they suffer from some limitations such as mechanical resistance, poor heat, and low adsorption capacity.…”

Section: Introductionmentioning

confidence: 99%

Development of a Novel Mixed Titanium, Silver Oxide Polyacrylonitrile Nanofiber as a Superior Adsorbent and its Application for MB Removal in Wastewater Treatment

Xu¹,

Wei²,

Jin³

et al. 2017

J. Braz. Chem. Soc.

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In this study, a novel electrospun nanofibrous composite was synthesized from polyacrylonitrile (PAN) and well-dispersed oxide nanoparticles containing Ti and Ag (PAN-TA). The nanoparticles incorporated into the nanofibers can endow the composite with photocatalytic and antimicrobial ability. The morphologies and structure of the nanofibers were characterized by Fourier transform infrared (FTIR), scanning electron microscopy (SEM) and X-ray diffraction (XRD). Controlled experiments were carried out with the effects of chemical modification, solution pH, temperature, dosage, contact time, and initial concentration of the dye. The methylene blue (MB) dye was completely removed within 20 min at room temperature 25 o C with high maximum retention capacity of 155.4 mg g -1 . Moreover, equilibrium data and kinetics data indicated that the dye adsorption agreed well with the Langmuir isotherm model and pseudo-second order model, respectively. In addition, the nanofibers could be easily separated from dye solution and showed high reusability for numerous repeat cycles, thus indicating good application prospects for the wastewater treatment.

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Untitled

Cited by 302 publications

References 13 publications

Adsorption of Copper(II) onto Perlite

Adsorption of Copper(II) onto Perlite

Characterization and Some Properties of Poly(vinyl chloride)/Sepiolite Nanocomposites

Development of a Novel Mixed Titanium, Silver Oxide Polyacrylonitrile Nanofiber as a Superior Adsorbent and its Application for MB Removal in Wastewater Treatment

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