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| Amina Soudani * | Abdeljlil Ait Ichou | Mohamed Abali | Mohamed Zerbet | Mohamed Chiban | and | Fouad Sinan |
Affiliation.
Lab. LACAPE | Department of Chemistry | Faculty of Science | Ibn Zohr University| Agadir | Morocco|
This article is made freely available as part of this journal's Open Access: ID| Soudani-Ref.9-ajira070819|
ABSTRACT We were interested to the comparative study of normal, simultaneous and successive adsorption of nitrates and orthophosphates ions on the inert solid biomaterials (ISBM) obtained from dried of plants of Carpobrotus edulis(CE). Adsorption is called simultaneous (binary component systems) when it is obtained from a solution which contains nitrates and orthophosphates ions. The adsorption is called successive when we used the ISBM which has already used in another adsorption to equilibrium saturation. The efficiency of this ISBM was investigated using batch adsorption technique under different experiment conditions. These results showed that the adsorption of NO3−and HPO42−ions from single and binary component systems are identical, This absence of competition between these ions on the sites of adsorption can be explained by their adsorption on different sites. The structure very different from the two mineral anions is in favour of this suggestion. Key words: inert solid biomaterials, Nitrates, Orthophosphates, Adsorption.
