<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Batch studies were conducted to investigate the potential of 3-aminopropyltriethoxysilane modified nano zero-valent iron (APS-NZVI) to adsorb two dyes (acid brilliant scarlet GR and reactive brilliant red K-2BP) from aqueous solution. APS-NZVI showed good adsorption performance for two dyes. Under the adsorption conditions of pH 4.5, initial concentration was 100 mg/L, and time=4h, the maximum adsorption capacities of APS-NZVI were 121.06 mg/g for acid brilliant scarlet GR and 191.5 mg/g for reactive brilliant red K-2BP, respectively. The results revealed that the adsorption behavior of the dyes on the nano-particles fitted well with the Langmuir model and the sorption kinetics fits well the pseudo-second-order rate equation.</p></abstract>

Batch studies were conducted to investigate the potential of 3-aminopropyltriethoxysilane modified nano zero-valent iron (APS-NZVI) to adsorb two dyes (acid brilliant scarlet GR and reactive brilliant red K-2BP) from aqueous solution. APS-NZVI showed good adsorption performance for two dyes. Under the adsorption conditions of pH 4.5, initial concentration was 100 mg/L, and time=4h, the maximum adsorption capacities of APS-NZVI were 121.06 mg/g for acid brilliant scarlet GR and 191.5 mg/g for reactive brilliant red K-2BP, respectively. The results revealed that the adsorption behavior of the dyes on the nano-particles fitted well with the Langmuir model and the sorption kinetics fits well the pseudo-second-order rate equation.

3-aminopropyltriethoxysilane functionalized nanoscale zero-valent iron for the removal of dyes from aqueous solution

Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 250100, China

Polish Journal of Chemical Technology

Batch studies were conducted to investigate the potential of 3-aminopropyltriethoxysilane modified nano zero-valent iron (APS-NZVI) to adsorb two dyes (acid...

3-aminopropyltriethoxysilane functionalized nanoscale zero-valent iron for the removal of dyes from aqueous solution

Published Online: Jun 16, 2011

Page range: 35 - 39

DOI: https://doi.org/10.2478/v10026-011-0021-x

Keywords
3-aminopropyltriethoxysilane, nano zero-valent iron, acid brilliant scarlet GR, reactive brilliant red K-2BP, magnetic separation

This content is open access.

3-aminopropyltriethoxysilane functionalized nanoscale zero-valent iron for the removal of dyes from aqueous solution

Published Online: Jun 16, 2011

Page range: 35 - 39

DOI: https://doi.org/10.2478/v10026-011-0021-x

Keywords3-aminopropyltriethoxysilane, nano zero-valent iron, acid brilliant scarlet GR, reactive brilliant red K-2BP, magnetic separation

This content is open access.

Keywords
3-aminopropyltriethoxysilane, nano zero-valent iron, acid brilliant scarlet GR, reactive brilliant red K-2BP, magnetic separation