Adsorption of phosphate ions by collodion‐coated alumina
- 1 January 1979
- journal article
- research article
- Published by Wiley in Journal of Chemical Technology and Biotechnology
- Vol. 29 (7) , 404-412
- https://doi.org/10.1002/jctb.503290703
Abstract
The kinetics and the equilibrium adsorption of phosphate by collodion‐coated alumina granules were investigated. Collodion‐coated alumina can serve as a sorbent for phosphates in the treatment of hyperphosphatemic patients by haemoperfusion. The collodion coating lowers the surface area available for adsorption. The kinetics of adsorption were investigated by experiments in which the initial phosphate concentration, the quantity of sorbent and the grain size of sorbent were varied. The rate of adsorption is proportional to tα‐1 where t is time and α is around 0.7.Keywords
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