Porous Ag/polymer composite microspheres for adsorption and catalytic degradation of organic dyes in aqueous solutions

2015 ◽  
Vol 107 ◽  
pp. 137-144 ◽  
Author(s):  
Yu Yang ◽  
Huiling Liao ◽  
Zhen Tong ◽  
Chaoyang Wang
Keyword(s):  
Aqueous Solutions ◽  
Polymer Composite ◽  
Organic Dyes ◽  
Catalytic Degradation ◽  
Composite Microspheres

scholarly journals Probing the surface reactivity of nanocrystals by the catalytic degradation of organic dyes: the effect of size, surface chemistry and composition

2017 ◽  
Vol 5 (23) ◽  
pp. 11917-11929 ◽  
Author(s):  
Jordi Piella ◽  
Florind Merkoçi ◽  
Aziz Genç ◽  
Jordi Arbiol ◽  
Neus G. Bastús ◽  
...  
Keyword(s):  
Surface Chemistry ◽  
Surface Coating ◽  
Crystal Size ◽  
Organic Dyes ◽  
Catalytic Performance ◽  
Surface Reactivity ◽  
Catalytic Degradation ◽  
Comprehensive Study

We herein present a comprehensive study on how the catalytic performance and reusability of Au nanocrystals (NCs) are affected by systematic variations of crystal size, surface coating and composition.

scholarly journals Removal of Organic Dyes from Aqueous Solutions with Surfactant-Modified Magnetic Nanoparticles

2014 ◽  
Vol 16 (2) ◽  
pp. 27-30 ◽  
Author(s):  
Katarzyna Wybieralska ◽  
Anna Wajda
Keyword(s):  
Surface Modification ◽  
Iron Oxide ◽  
Magnetic Nanoparticles ◽  
Aqueous Solutions ◽  
Organic Dyes ◽  
Iron Hydroxide ◽  
Colloidal Solutions ◽  
Spectrophotometric Methods ◽  
Production Water ◽  
Modified Magnetic Nanoparticles

Abstract The paper presents the results of studies on the possibility of using magnetic nanoparticles modified with selected hydrophobic surfactants for model post-production water purification. Colloidal solutions of iron hydroxide (III) and iron oxide (II and III) were obtained and their particles were subjected to surface modification using surfactants. Thus obtained magnetic fluids were used as active agents in the process of removing selected organic dyes from their aqueous solutions. The effectiveness of the modified compounds was analysed using spectrophotometric methods. It has been shown that the effectiveness of the process depends on the type of surfactant used to modify selected magnetic nanoparticles.

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