Removal of Cadmium from Dilute Solutions by Hydroxyapatite. II. Flotation Studies

 
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Removal of Cadmium from Dilute Solutions by Hydroxyapatite. II. Flotation Studies

Matis, Konstantinos
Lanara, B.G.
Loos-Neskovic, C.
Zoumpoulis, Anastasios

Dissolved-air flotation has been investigated in the present paper as a suitable solid/liquid separation technique, applied downstream for hydrox yapatite ultrafine particles which were used in a preliminary stage for the removal by sorption of toxic cadmium cations. The main parameters affecting this process were evaluated, including the necessary quantity of sorbent material in the dispersion, the proper pH values of Cd solutions. the type and concentration of supplementary inorganic flocculant agents (ferric chloride and aluminum sulfate), and the presence of additional surfactant added. The results obtained were considered to be promising. Under optimum conditions, over 95% of Cd-loaded hydroxyapatite particles were separated in a very short retention time.

Article / Άρθρο
info:eu-repo/semantics/article

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

1997
2009-07-08T10:34:33Z


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Χημείας

urn:ISSN:01496395
Separation Science and Technology, vol.32 no.10 [1997] p.1755-1767 [Published Version]

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