Powdered Activated Carbon Separation from Water by Foam Flotation

 
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1994 (EN)
Powdered Activated Carbon Separation from Water by Foam Flotation

Lazaridis, Nikolaos
Zampoulis, Dimitrios
Zoumpoulis, Anastasios

Powdered activated carbon was separated from dilute aqueous suspensions (200-1000 mg/L) by foam flotation using surfactants (anionic or cationic). The Επεξεργασία Διαγραφή effects of surfactant type, pH value of the suspension, initial carbon and surfactant concentrations, flotation time, and air flow rate on the dispersed-air flotation of powdered activation carbon were investigated. In optimum conditions the powdered activated carbon separation was almost complete. The 5-potential of powdered activated carbon was also measured in the presence and absence of surfactants. Finally, carbon flotation was examined after the carbon had adsorbed chromate ions from an acidic solution (pH 2). Almost complete separation of Cr(V1)-loaded carbon was obtained by using an anionic surfactant

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

Ζ-Potential
Flotation
Powdered activated carbon
Chromate adsorption

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

1994
2009-07-09T09:06:25Z


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Χημείας

urn:ISSN:01496395
Separation Science and Technology, vol.29 no.3 [1994] p.385-400 [Published Version]

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info:eu-repo/semantics/openAccess



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