Elektrotechnik TU Wroclaw: Datensatz#446: Concentration of a-terpineol and (2-dodecanoyloxyethyl)trimethylammonium bromide required for prevention of air bubble coalescence in aqueous solutions.

Published Article /

ISSN 0137-1282

ENY-ARTICLE-2013-357

Concentration of a-terpineol and (2-dodecanoyloxyethyl)trimethylammonium bromide required for prevention of air bubble coalescence in aqueous solutions.

Szyszka, D (Politechnika Wroclawska, Wydział Geoinżynierii, Górnictwa i Geologii) ; Drzymała, J (Politechnika Wroclawska, Wydział Geoinżynierii, Górnictwa i Geologii) ; Łuczyński, J (Politechnika Wroclawska, Wydział Geoinżynierii, Górnictwa i Geologii)

2006-06-30

Abstract: Flotation is a widely used process in mineral pro cessing. It utilizes different reagents including, collectors and frothers. It was proposed by Cho and Laskowski to use th e so-called critical coalescence concentration (CCC) for characterization of flotation frothers. In this paper the CCC values were determined for α -terpineol, which is widely used as a frother in laboratory flotation tests, and for (2-dodecanoyloxyethyl)trimethylammonium bromide (DMM-11) which represents a broad family of reagents known as chemodegr adable cationic surfa ctants. The CCC for α -terpineol was found to be 0.16 mmol/dm 3 while for DMM-1, depending of the procedure of approximation, between 0.06 and 0.14 mmol/dm 3 .

Keyword(s): critical coalescence concentration, ; flotation, ; bubbles, ; surfactants
Note: Physicochemical Problems of Mineral Processing, 40 (2006),53-59

Fulltext : http://zet10.ipee.pwr.wroc.pl/record/446/files/

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Record created 2013-10-29, last modified 2013-10-29

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