ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.
Hanafi, H., Kandil, S., Daifullah, A. (2008). ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.. EKB Journal Management System, 4(4th International Conference On Chemical & Environmental Engineering), 192-220. doi: 10.21608/iccee.2008.38387
H. A. Hanafi; S. A. Kandil; A. A. M. Daifullah. "ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.". EKB Journal Management System, 4, 4th International Conference On Chemical & Environmental Engineering, 2008, 192-220. doi: 10.21608/iccee.2008.38387
Hanafi, H., Kandil, S., Daifullah, A. (2008). 'ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.', EKB Journal Management System, 4(4th International Conference On Chemical & Environmental Engineering), pp. 192-220. doi: 10.21608/iccee.2008.38387
Hanafi, H., Kandil, S., Daifullah, A. ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.. EKB Journal Management System, 2008; 4(4th International Conference On Chemical & Environmental Engineering): 192-220. doi: 10.21608/iccee.2008.38387

ADSORPTION OF HEAVY METALS FROM AQUEOUS SOLUTIONS ONTO SILICA EXTRACTED FROM AGRO-RESIDUES IN SINGLE ZN, CU AND NI SYSTEMS.

The International Conference on Chemical and Environmental Engineering
Article 12, Volume 4, 4th International Conference On Chemical & Environmental Engineering, May 2008, Page 192-220  XML PDF (486.65 K)
Document Type: Original Article
DOI: 10.21608/iccee.2008.38387
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Authors
H. A. Hanafi1; S. A. Kandil1; A. A. M. Daifullah2
1Cyclotron project, Nuclear Research Center, Atomic Energy Authority, Abu-Zabal-Kalubia, Egypt , Egypt, P. O. 13759.
2Hot Laboratory Centre, Analytical Chemistry Department, Atomic Energy Authority, Abu-Zabal-Kalubia, Egypt.
Abstract
ABSTRACT
Single Zinc, Nickel and cadmium adsorption from aqueous solution onto silica extracted from agro-residue is reported. and is consider a low cost method for recovery of Zn and Cd in the production of Ga-67 and In-111 isotopes in Egypt's Cyclotron and also solve environmental problem from burning of rice husks. The dependence adsorption on contact time, adsorbent type and adsorption medium and also pH was investigated showing that there is a difference in minimum contact time for different metal ions and the mechanism of adsorption of metal ions on silica extracted from rice husks were also studied. Therefore, silica extracted from rice husk is considered as a better replacement technology for recovery of enriched zinc and cadmium were used in preparation of targets for 67Ga and 111In production due to low cost and good efficiency in this application.
Keywords
Adsorption; Heavy metals; rice husk; recovery; silica
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