The studied absorption process corresponds to the oxygen-deoxygenated water system, where the oxygen comes from the air and the deoxygenated air is obtained through a desorption column, where a water current comes into contact with a nitrogen current.
The studied absorption process corresponds to the oxygen-deoxygenated water system, where the oxygen comes from the air and the deoxygenated air is obtained through a desorption column, where a water current comes into contact with a nitrogen current. This is an example of absorption controlled by liquid film, so that the liquid film mass transfer coefficient can be determined for different water flows.
The unit consists of two glass columns, an absorption one and a desorption (deoxygenation) one, both of them supplied by two computer controlled pumps.
Air is introduced by a blower through the bottom of the column.
All the flow rates (air, water and nitrogen) are measured by sensors.
The absorption column has two overflows (one at the top and another at the bottom) connected to two membrane electrodes to measure the oxygen dissolved in water at the inlet and outlet of the column, together with an O2 measurement unit.
This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.
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