Research Activity |
Location of Research Activity |
Proposed Duration |
Preparation and physical - chemical characterization (FTIR-TG-DTG-DTA, SEM, XRD) of:
1. layered double hydroxides (LDHs) matrices with mesoporous properties
2. nanoparticles of metal oxides supported on self-organized porous LDHs matrices.
3. supported LDHs porous clays with magnetic features; carbon –LDHs and polymer -LDHs |
Romanian group |
October 2008 - December 2008 |
Report I |
Tshwane University of Technology (TUT) and Romanian group |
November 2008 - December 2008 |
Batch Adsorption experiments using single ion and multicomponent metalic anions aqueous solutions |
TUT group |
December 2008 - June 2009 |
Characterization used nanostructured adsorbents |
TUT group |
May 2009 - July 2009 |
Studies of the textural properties of previous nanostructured materials as a function of the synthetic clay "memory effect".
Synthesis of hybrid materials, Type LDHs-Carbon or LDHs polymer. |
Romanian group |
July 2009 - December 2009 |
Sample collection and wastewater characterization |
TUT group |
July 2009 - August 2009 |
Fixed-bed sorption |
TUT group |
August 2009 - March 2010 |
Report II |
TUT and Romanian group |
November 2009 - March 2010 |
Sorption-magnetic separation |
TUT group |
March 2010 - December 2010 |
Final Report |
TUT and Romanian group |
March 2010 - December 2010 |
1. Development of Co-Joint MSc thesis in South African team (M. Sc. Taile Yvonne Leswifi)
Title: Removal of lead, fluoride and chromium from water using metal oxide nanostructured adsorption media.
2. Development of Co-Joint Ph.D. thesis in Romanian team (Ph. D. Sofronia Dranca).
Title: Studies and research by using LDH - like materials.
S. Katlego, M. S. Onyango, F. Otieno, G. Carja, Simona Nichitus
Removal Of Heavy Metals From Aqueous Solution Using Hydrotalcite-Like Nanostructured Materials
Full paper appeared online: http://www.ewisa.co.za/literature/files/152_105%20Setshedi.pdf.
Water Institute of South Africa (WISA) 2010 Biennial Conference & Exhibition, Durban, South Africa, June 2010
G. Carja, S. Dranca, G. Ciobanu,M. Onyango, Simona Nichitus, I. Balasanian
Porous Matrices of Anionic Clays for the Efficient Removal of Heavy Metals from Water.
5th International Conference on Environmental Engineering and Management, September 15 - 19, 2009, Tulcea, Romania.
G. Lehutu, G. Ciobanu, M. Onyango, M. Mureseanu, G. Carja
Nanoparticles of iron oxides on iron containing anionic clays as self assembled nanostructures: studies of their surface characteristics.
4th International Conference on Molecular Materials Molmat 2010, Montpellier France, July 2010.
D. Otieno, M. Onyango, G. Carja
Application of Engineered Nanoparticles in Contaminants Removal from Water
Annual International Conference Of Moi University, Kenya, 7 - 9 September 2010.
G. Carja, A. Nakajima, S. Dranca, C. Dranca, S. Okada
TiO2/ZnLDH as a Self-Assembled Nanocomposite with Photoresponsive Properties
J. Phys. Chem. C 2010, 114(35), 14722 - 14728.