Premium
The unsteady state absorption of oxygen in cumene
Author(s) -
Low David I. R.
Publication year - 1967
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450450308
Subject(s) - cumene , absorption (acoustics) , dissolution , oxygen , chemistry , pulmonary surfactant , bubble , solubility , spheres , thermal diffusivity , thermodynamics , carbon dioxide , analytical chemistry (journal) , materials science , chromatography , organic chemistry , mechanics , composite material , catalysis , biochemistry , physics , astronomy
New data are reported for the absorption of single bubbles of oxygen less than 5 mm in diameter in cumene at room temperature. Measured rates are compared with the theoretically predicted rates, based on new values of the diffusivity and solubility of oxygen in cumene, for absorption from spheres in potential flow and from rigid spheres. In the presence of the peroxide, which is a reaction product, absorption rates are high initially but decay after 15 seconds or so to a value expected for rigid spheres. The results are explained in terms of the accumulation of surfactant at the bubble surface. Preliminary measurements of the dissolution of carbon dioxide bubbles in water in the same apparatus gave results similar to other determinations reported in the literature.