Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Behavior of Aluminum Adsorption in Different Compost‐Derived Humic Acids
Humic acid plays an important role in the distribution of heavy metals in the environment. The aims of this study were conducted to evaluate the spectroscopic characteristics and aluminum (Al) adsorption of humic acids which were extracted from four composts. The functional groups were determined by Fourier transform infrared spectroscopy (FTIR) and solid‐state 13C nuclear magnetic resonance spectroscopy (13C‐NMR). The results showed that the aromatic groups were all found in the humic acids of the four composts, and the surface of humic acids included carboxylic group, hydroxylic group, and amino group. The experiment of Al adsorption was described by Freundlich equation. It showed that the adsorption of Al by humic acid from compost of cattle manure was higher, but that from the compost of pig manure, lemon manure, tea manure in equal preparation was lower. The adsorptive behavior was different due to the interaction by functional groups (OH and COOH) with Al. These results can describe the fate and transportation of Al in the soil of different organic fertilizer.
Behavior of Aluminum Adsorption in Different Compost‐Derived Humic Acids
Humic acid plays an important role in the distribution of heavy metals in the environment. The aims of this study were conducted to evaluate the spectroscopic characteristics and aluminum (Al) adsorption of humic acids which were extracted from four composts. The functional groups were determined by Fourier transform infrared spectroscopy (FTIR) and solid‐state 13C nuclear magnetic resonance spectroscopy (13C‐NMR). The results showed that the aromatic groups were all found in the humic acids of the four composts, and the surface of humic acids included carboxylic group, hydroxylic group, and amino group. The experiment of Al adsorption was described by Freundlich equation. It showed that the adsorption of Al by humic acid from compost of cattle manure was higher, but that from the compost of pig manure, lemon manure, tea manure in equal preparation was lower. The adsorptive behavior was different due to the interaction by functional groups (OH and COOH) with Al. These results can describe the fate and transportation of Al in the soil of different organic fertilizer.
Behavior of Aluminum Adsorption in Different Compost‐Derived Humic Acids
Lin, Yong‐Hong (Autor:in) / Su, Po‐Hsin (Autor:in)
CLEAN – Soil, Air, Water ; 38 ; 916-920
01.10.2010
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Behavior of Aluminum Adsorption in Different Compost‐Derived Humic Acids
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