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Effect of structural properties of acid dyes on their adsorption behaviour from aqueous solutions by amine modified silica.
- A. Donia, A. A. Atia, W. A. Al-Amrani, Ahmed M. Elnahas
- Chemistry, Medicine
- Journal of hazardous materials
- 30 January 2009
Monoamine modified silica particles (MAMS) were prepared and characterized by infrared (FT-IR) and thermogravimetric analysis (TGA). The modified silica particles were used for removal of acid orange… Expand
Factors affecting bio-decolorization of azo dyes and COD removal in anoxic–aerobic REACT operated sequencing batch reactor
Abstract The main objective of this study was to investigate the effects of (i) time ratios of operating periods; (ii) azo dye molecular structure and (iii) presence/absence of co-substrate on the… Expand
Adsorption/desorption behavior of acid orange 10 on magnetic silica modified with amine groups
Two silica samples were prepared through precipitation of silica in the presence and absence of magnetite particles (Fe3O4). The products were immobilized with 3-aminopropyltriethoxysilane and… Expand
Effect of amine type modifier on the uptake behaviour of silica towards mercury(II) in aqueous solution
Abstract Mono- and pentamine immobilized silica were prepared through the treatment of silica with 3-aminopropyltriethoxysilane and 3-glycidoxypropyltrimethoxysialne. The success of immobilization… Expand
Bioregeneration of mono-amine modified silica and granular activated carbon loaded with Acid Orange 7 in batch system.
The objectives of this study were: (1) to investigate the role of mixed culture of biomass in the regeneration of mono-amine modified silica (MAMS) and granular activated carbon (GAC) loaded with… Expand
Bioregeneration of azo dyes-loaded mono-amine modified silica in batch system: Effects of particle size and biomass acclimation condition
Abstract The effects of particle size of adsorbent and biomass acclimation condition on the bioregeneration of azo dye-loaded mono-amine modified silica (MAMS) adsorbents were investigated. The MAMS… Expand
Operational factors affecting the bioregeneration of mono-amine modified silica loaded with Acid Orange 7.
In this study, the operational factors affecting the bioregeneration of AO7-loaded MAMS particles in batch system, namely redox condition, initial acclimated biomass concentration, shaking speed and… Expand
Effects of co-substrate and biomass acclimation concentration on the bioregeneration of azo dye-loaded mono-amine modified silica.
- W. A. Al-Amrani, P. E. Lim, C. E. Seng, W. S. Wan Ngah
- Chemistry, Medicine
- Bioresource technology
- 1 September 2013
Bioregeneration of mono-amine modified silica gel (MAMS) adsorbent loaded with Acid Orange 7 (AO7), Acid Yellow 9 (AY9) and Acid Red 14 (AR14), respectively, was investigated under two different… Expand