The use of superporous p(3-acrylamidopropyl)trimethyl ammonium chloride cryogels for removal of toxic arsenate anions

Nurettin Sahiner; Sahin Demirci; Mehtap Sahiner; Selahattin Yilmaz; Hamad Al-Lohedan

doi:10.1016/j.jenvman.2015.01.023

The use of superporous p(3-acrylamidopropyl)trimethyl ammonium chloride cryogels for removal of toxic arsenate anions

J Environ Manage. 2015 Apr 1:152:66-74. doi: 10.1016/j.jenvman.2015.01.023. Epub 2015 Jan 21.

Authors

Nurettin Sahiner¹, Sahin Demirci², Mehtap Sahiner³, Selahattin Yilmaz⁴, Hamad Al-Lohedan⁵

Affiliations

¹ Surfactants Research Chair, Department of Chemistry College of Science, King Saud University, P.O Box-2455, Riyadh 11451, Saudi Arabia; Department of Chemistry, Faculty of Science & Arts, Canakkale Onsekiz Mart University, Terzioglu Campus, 17100 Canakkale, Turkey; Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University, Terzioglu Campus, 17100 Canakkale, Turkey. Electronic address: sahiner71@gmail.com.
² Department of Chemistry, Faculty of Science & Arts, Canakkale Onsekiz Mart University, Terzioglu Campus, 17100 Canakkale, Turkey; Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University, Terzioglu Campus, 17100 Canakkale, Turkey.
³ Leather Engineering Department, Faculty of Engineering, Ege University, Bornova, Izmir 35080, Turkey.
⁴ Surfactants Research Chair, Department of Chemistry College of Science, King Saud University, P.O Box-2455, Riyadh 11451, Saudi Arabia.
⁵ Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University, Terzioglu Campus, 17100 Canakkale, Turkey.

PMID: 25617870
DOI: 10.1016/j.jenvman.2015.01.023

Abstract

Poly((3-Acrylamidopropyl)trimethylammonium chloride) (p(APTMACl)) cryogels were used as a superporous polymer network for the removal of toxic arsenate anions from an aqueous medium. The fast swelling in water, in about 7 s, was shown to be very useful leading to fast arsenate adsorption by p(APTMACl) cryogels within 30 min in comparison to 12 h for bulk common p(APTMACl) hydrogels. A maximum adsorption capacity of about 120 (mg/g) arsenate was obtained for p(APTMACl) cryogels. Both the Langmuir and Freundlich adsorption isotherms were applied for adsorption of arsenate anions by p(APTMACl) cryogels, and it was observed that the adsorption of arsenate anions by p(APTMACl) cryogels are represented better via Langmuir adsorption isotherm providing the R(2) value of 0.998. Furthermore, mag-p(APTMACl) cryogels were synthesized, and shown to be very useful in the fast removal of toxic arsenate anions. The mag-p(APTMACl) cryogels including the adsorbed arsenate were removed by an externally applied magnetic field, with some reduction in the arsenate ion adsorption capacity. It was also further demonstrated that p(APTMACl) cryogels can be reused in the adsorption of arsenate 5 times from aqueous environments without significant loss of adsorption capacity, from 113.47 ± 9 to 102.67 ± 6 mg/g.

Keywords: Arsenate removal; Cationic magnetic-cryogel; Fast arsenic sorption; P(APTMACl) hydrogel/cryogel; Smart cryogel composites.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Adsorption
Anions / chemistry
Arsenates / chemistry*
Cryogels / chemistry*
Microscopy, Electron, Scanning
Quaternary Ammonium Compounds / chemistry*
Spectroscopy, Fourier Transform Infrared
Thermogravimetry
Water Pollutants, Chemical / chemistry*

Substances

Anions
Arsenates
Cryogels
Quaternary Ammonium Compounds
Water Pollutants, Chemical
(3-acrylamidopropyl)trimethylammonium chloride