The frequency response of a plate gas absorption column.

Chemical Engineering Science, 1968, Vol. 23,

p. 956. Pergamon Press. Printed in Great Britain.

ERRATA A. J. HAAGENSEN and F. P. LEES: The frequency Chem. Engng Sci. 19662177-86.

response of a plate gas absorption

column.

Equations (15) and (16) on p.78 should read

J. GAVIS: Non-linear equation for transport of electric charge in low dielectric constant Chem. Engng Sci. 1967 22 359-364. Equations (1 a,b): The signs before the last term on the right should be f rather than r. Equation (2): The signs before the fourth and last terms on the right should be - rather than +. Equation (7) should read aqlar = DV2q+ (DF2/RT)CV2JI+ + (D’F2/RT)Vq.V$+

fluids,

(DF2/RT)VC.VJI-v.Vq

(D’F2/RT)@+

FD’V2C.

In the example of p. 363 D’ should be = 0.15 X 10e5 cmYsec instead of O-15 and 9 should be = 0.13 instead of 1.3.

956