Synthesis and Characterization of Poly (Acryl Amide - Maleic Acid) Hydrogel: Adsorption Kinetics of a Malachite Green from Aqueous Solutions
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Department of Chemistry, College of Education, University of Al-Qadisiyah, IRAQ
Department of Chemistry Pharmaceutical, College of Pharmacy, University of Al-Qadisiyah, IRAQ
Publication date: 2018-12-18
Eurasian J Anal Chem 2018;13(New Science Methodology 1b):em74
Poly (acrylamide-maleic acid) hydrogel synthesized via free radical polymerization of acrylic acid and maleic acid as monomers, using N,N-methylene bis acryl amide as cross-linker and potassium persulfate as initiator. The synthesized hydrogel was described by Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), Thermogravimetric analysis (TGA) and UV-visible spectroscopy. The synthesis hydrogel was used as adsorbents for removal of a cationic dye, malachite green (MG) from aqueous solution. The synthesized adsorbents showed high efficiency in removal of malachite green and a very high adsorption capacity. The results showed the adsorption equilibrium time was reached in 60 min and the adsorption method is found the direct pseudo second order kinetics.
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