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ABOUL–MAGD, A., EL–RASHED, S., AL–ZAHRANI, S. (2010). REMOVAL OF HEAVY METAL IONS FROM CONTAMINATED WATER USING CORNCOB-SULPHONATED PHENOL FORMALDEHYDE CONDENSATE. Al-Azhar Bulletin of Science, 21(Issue 1-A), 161-174. doi: 10.21608/absb.2010.7343
ABDUL–ALEEM S. ABOUL–MAGD; SALWA H. EL–RASHED; SALMA A. AL–ZAHRANI. "REMOVAL OF HEAVY METAL IONS FROM CONTAMINATED WATER USING CORNCOB-SULPHONATED PHENOL FORMALDEHYDE CONDENSATE". Al-Azhar Bulletin of Science, 21, Issue 1-A, 2010, 161-174. doi: 10.21608/absb.2010.7343
ABOUL–MAGD, A., EL–RASHED, S., AL–ZAHRANI, S. (2010). 'REMOVAL OF HEAVY METAL IONS FROM CONTAMINATED WATER USING CORNCOB-SULPHONATED PHENOL FORMALDEHYDE CONDENSATE', Al-Azhar Bulletin of Science, 21(Issue 1-A), pp. 161-174. doi: 10.21608/absb.2010.7343
ABOUL–MAGD, A., EL–RASHED, S., AL–ZAHRANI, S. REMOVAL OF HEAVY METAL IONS FROM CONTAMINATED WATER USING CORNCOB-SULPHONATED PHENOL FORMALDEHYDE CONDENSATE. Al-Azhar Bulletin of Science, 2010; 21(Issue 1-A): 161-174. doi: 10.21608/absb.2010.7343

REMOVAL OF HEAVY METAL IONS FROM CONTAMINATED WATER USING CORNCOB-SULPHONATED PHENOL FORMALDEHYDE CONDENSATE

Article 11, Volume 21, Issue 1-A, June 2010, Page 161-174  XML PDF (262.53 K)
Document Type: Original Article
DOI: 10.21608/absb.2010.7343
Authors
ABDUL–ALEEM S. ABOUL–MAGD* 1; SALWA H. EL–RASHED2; SALMA A. AL–ZAHRANI3
1Faculty of Science, Al–Azhar University Department of Chemistry, Cairo, Egypt
2Faculty of Education, Chemistry Department, King Abdul–Aziz Jeddah, K.S.A
3Faculty of Science, Chemistry Department, Hail University, Hail, K.S.A
Abstract
This paper is focused on the use of agricultural by-product as a replacement of the running low cost method for removing heavy toxic and/or radioactive metal ions from water and wastewater. The modification of Egyptian corncobs as a source of low cost plant and recycling material with phenol has been developed in presence of para-formaldedhyde as a cross linking agent. The modification of corncobs was investigated to enhance their natural capacity and could be considered as an added value to the waste plant. In this study, the characterization of the synthesized sulphonated corncob–phenol formaldehyde exchange resin is described and compared with the Dowex HYRW2 –Na polisher cation exchanger. It was found that the synthesized resin is stable in hot water (100oC), mineral acids (2M), in all most common solvents, and alkali solutions 1:0M withstand temperature up to 100oC. The modified corncob resin has an exchange capacity of 2.84 m.eq. /g dry resin –H+ form. The character of copolymer resin adsorption efficiency towards heavy toxic metals has been investigated via different concentrations of Mg (II), Mn (II), Fe (III), Cu (II), Zn (II), Cd (II) and Pb (II) individually in pure aqueous water and aqueous– HCl solutions. Finally a comparison of their removal performance with that of the commercial and the prepared resins was presented in this study where as the last one showed good adsorption efficiency.
Keywords
Corncob; phenol formaldehyde resin; removal of toxic elements by low cost materials; Ion exchange separation
Main Subjects
Chemistry
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