- The effect of fine inert particulates and immiscible liquid droplets on the mass transfer rate with and without chemical reaction has been studied; in a stirred vessel absorber, where carbon dioxide is absorbed in distilled water, aqueous sodium hydroxide solutions, a resin and a type of lubricating oil, respectively. It has been shown that the presence of the inert micro fine resin particulates decreases the mass transfer rate initially followed by an increase to a maximum and then a decline. The addition of oil decreases transfer rate for pure water drastically, as the oil droplets occupy part of the interfacial area. But -for the reacting system- an opposite effect occurred with an increase of the mass transfer rate up to a maximum and then a decline. It is noticed that the reacting system behaved in a different manner to that of the physical system, the alkaline solution reacted with the aqueous phase changing the physiochemical properties of the solution for example depressing effect of the interfacial tension.
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