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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472
EISSN: 1735-2630
Vol. 12, No. 5, 2015, pp. 1495-1502
Bioline Code: st15139
Full paper language: English
Document type: Research Article
Document available free of charge

International Journal of Environment Science and Technology, Vol. 12, No. 5, 2015, pp. 1495-1502

 en Biomass derived silica containing products for removal of microorganisms from water
Zemnukhova, L.; Kharchenko, U. & Beleneva, I.

Abstract

The research is potentially attractive for converting silica rich biomass into useful materials. Silica containing specimens prepared by the thermalmethod and deposition from rice production waste (straw and husk) were evaluated for their ability to remove different strains of microorganisms from the water. The strains of microorganisms with different cell shape and size were chosen for investigation: Escherichia coli check for this species in other resources , Bacillus subtilis check for this species in other resources , Candida albicans check for this species in other resources , Pseudomonas aeruginosa check for this species in other resources , Staphylococcus aureus check for this species in other resources and freshwater heterotrophic bacterial association. The results obtained have been discussed as compared to the physical and chemical parameters of the sorbents: their composition, specific surface value, pore size, zeta potential value and surface hydrophobicity. Our study showed that removal efficiency of SiO2 specimens and alumosilicate sample prepared from rice husk to different strains of microorganisms was higher that of other specimens including commercial sorbent. The use of various processing schemes for rice production waste let to obtain efficient selective sorbents

Keywords
Rice husk; Mesoporous silica; Water purification; Microorganism removal

 
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