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Removal of Cr(VI) through calixarene based polymer inclusion membrane from chrome plating bath water
Scopus
Toplam 161 atıf DOI
In this study, a calixarene based polymer inclusion membrane was employed for the removal of Cr(VI) from chrome plating bath water. The prepared polymer inclusion membrane was characterized by using Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM) and contact angle measurements. The effects of carrier concentration, plasticizer type and temperature on the transport, the membrane's stability and thickness were examined. The transport efficiency of Cr(VI) using the polymer inclusion membrane was approximately 97.69%. The kinetic results demonstrated that Cr(VI) can be transported from the chrome plating bath water to the acceptor phase with high selective and efficiency. The experimental results showed the prepared polymer inclusion membrane (PIM) can be used effectively for the removal of Cr(VI) from the industrial wastewater.
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Atıf Yapan Yayın
Calixarene-tethered textile fabric for the efficient removal of hexavalent chromium from polluted water
Scopus
Havuzumuzda 15 atıf almış
This study describes the tethering of dimethylamionomethyl bonded calixarene (DMAM-calixarene) onto cotton fabric surface functionalized with poly(glycidyl methacrylate) (PGMA) linker layer using initiated chemical vapor deposition (iCVD) technique and the efficient adsorption capability of DMAM-calixarene functional textiles for the toxic hexavalent chromium from polluted water. The characterization of DMAM-calixarene-tethered textile fabric was performed by FTIR and XPS spectroscopy. Cr(VI) solutions was passed over packed DMAM-calixarene-tethered textile fabric adsorbent and the highest adsorption was observed at pH 2 in dichromate anion form of COS. The regeneration and selectivity studies indicate that the DMAM-calixarene-tethered textile fabric has outstanding adsorbent features in used experimental conditions for hexavalent chromium. Moreover, it was observed that both H-bonding and electrostatic interactions were significant factors in the dichromate anion adsorption process. Thus, this study clearly revealed that any DMAM-calixarene-tethered textile fabric can be easily used as a selective hexavalent chromium capture filter in geographic regions lacking appropriate wastewater purification systems.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Konya Technical University
Konya, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey