The removal of heavy metals in aqueous solution by hydroxyapatite/cellulose composite |
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Authors: | Soohee Choi Youngjin Jeong |
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Institution: | (1) Department of Organic Materials and Fiber Engineering, Soongsil University, Seoul, 156-743, Korea |
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Abstract: | Hydroxyapatite has an excellent ion-exchangeability and is expected to be used as an agent for the removal of heavy metal
ions in wastewater. However, the pure hydroxyapatite is very difficult to use because it exists in the form of white powder.
Thus, the pure hydroxyapatite was mixed with cellulose to utilize its ion-exchangeability. In this research, a method for
dispersion of hydroxyapatite in cellulose matrix is described and its dispersion is observed with scanning electron microscopy.
The removal ratios of some heavy metal ions with hydroxyapatite composite are examined with regard to reaction time and amount
of hydroxyapatite composite. The ion-exchangeability of hydroxyapatite composite did not seem to be interfered by cellulose
matrix during removing heavy metal ions. |
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Keywords: | Hydroxyapatite Cellulose Composite Heavy metal Dispersion |
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