A possible approach to improving rotating disc contactor design accounting for drop breakage and mass transfer with contamination

1999 ◽  
Vol 75 (2) ◽  
pp. 131-144 ◽  
Author(s):  
J.S Ghalehchian ◽  
M.J Slater
Keyword(s):  
Mass Transfer ◽  
Rotating Disc ◽  
Rotating Disc Contactor ◽  
Drop Breakage

The Effects of Mass Transfer on Drop Breakage in Rotating Disc Contactors

1992 ◽  
pp. 1265-1270 ◽  
Author(s):  
V. CAUWENBERG ◽  
C. MESSEMAEKERS ◽  
P. VAN ROMPAY ◽  
M.J. SLATER
Keyword(s):  
Mass Transfer ◽  
Rotating Disc ◽  
Drop Breakage

A new model of mass transfer in a rotating disc contactor

1984 ◽  
Vol 39 (4) ◽  
pp. 767-773 ◽  
Author(s):  
Kenichi Suga ◽  
Arunwon Boongorsrang
Keyword(s):  
Mass Transfer ◽  
Rotating Disc ◽  
New Model ◽  
Rotating Disc Contactor

scholarly journals Recovery of ascorbic oxidoreductase from crude extract with an aqueous two-phase system in a perforated rotating disc contactor

2004 ◽  
Vol 47 (5) ◽  
pp. 821-826 ◽  
Author(s):  
Ana Lúcia Figueiredo Porto ◽  
Leonie Asfora Sarubbo ◽  
Keila Aparecida Moreira ◽  
Homero José Farias de Melo ◽  
José Luís Lima-Filho ◽  
...  
Keyword(s):  
Mass Transfer ◽  
Phase Velocity ◽  
Crude Extract ◽  
Separation Efficiency ◽  
Dispersed Phase ◽  
Phase System ◽  
Transfer Coefficients ◽  
Rotating Disc ◽  
Two Phase ◽  
Rotating Disc Contactor

A continuous perforated rotating disc contactor was used to extract the enzyme ascorbic oxidoreductase (E.C.1.10.3.3) from crude extract of Curcubita maxima with an aqueous two-phase system of poly (ethylene glycol) and phosphate salts. The effect of dispersed phase velocity on either protein mass transfer coefficients or separation efficiency at 1, 2 and 3 mL/min was studied. An increase of the mass transfer coefficients was observed with the dispersed phase velocity, while the separation efficiency showed a small decrease with the increase of this parameter. The experimental results obtained during continuous extraction showed that the ascorbic oxidoreductase activity was partitioned preferentially into the salt-rich phase in all conditions studied. The best recovery of enzyme activity was 236%, with a purification factor of 34 in flow rates of 1 mL/min for dispersed phase.

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