Point Zero Charge Determination and Fluoride Adsorption on Natural Red Ash (Metal Oxide)
Lejalem Abeble Dagnaw, Dessie Almaw Cherie
Asian Journal of Applied Chemistry Research · pp. 1–6 · Published 4 Jun 2021
10.9734/ajacr/2021/v8i430196Abstract
The PZC is essential parameter for the characterization of certain materials used for the treatment of organic or inorganic wastes in the environment, particularly from waste water and industrial sludge. Potentiometric titration and batch experimentation method was used to determine PZC value and type of adsorption isotherm behavior observed. Red ash is the natural metal oxides collected from the rift valley of Ethiopia which have PZC values of 3.35 for 0.5g, 1g and 1.5g adsorbent dose studied. On the adsorbent surface, monolayer and homogeneous adsorption process of fluoride observed. Therefore, based on the interest of the researcher and the adjustment of the pH of red ash solution might used for the treatment of ionic wastes.
References (4)
- 1 Point of zero charge determination in soils and minerals via traditional methods and detection of electroacoustic mobility [DOI]
- 2 Determination of the Point of Zero Charge for Electrocoagulation Precipitates from an Iron Anode [DOI]
- 3 The Effect of pH, Salt Concentration, and Nature of Electrolytes on the Charge Characteristics of Brazilian Tropical Soils [DOI]
- 4 A Critical Evaluation of the Extension of Zero Point of Charge (ZPC) Theory to Soil Systems [DOI]
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