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Gas Absorption Column
Product Code: SUK-SCHOOL-SSLAB-N9000010
Description & Specifications
Gas Absorption Column
Technical Specification
The system components are mounted within a floor standing painted steel framework.
The deoxygenating column is of similar overall size to the wetted wall
column, standing vertically adjacent to it. This apparatus is used to
determine the air pressure differential across the column as a function
of air flow rate at different water flow rates down the column, and
flooding point can be noted. Absorption process of carbon dioxide from
the air-CO2 mixture into caustic soda solution is also studied using
this system.
The wetted wall column is a glass column with water inlet and outlet
sections and is gimbal mounted to ensure that it can be set accurately
vertical.
The apparatus uses water as the working medium, contained in a storage tank at the rear of the unit.
Besides, the columns are a control console housing flow meters, pump controls, and an oxygen analyzer.
Situated between the columns are two special housings containing the
oxygen analysis probes which monitor the oxygen content in the water
entering and leaving the absorption column.
Pumps delivering water to the deoxygenator and the absorption column are located at the base of the unit.
Dissolved oxygen at inlet and outlet can be measured in rapid succession.
The water drains into the storage tank to be recycled to the deoxygenate.
In operation, water is sparged with nitrogen in the deoxygenate before entering the top of the wetted wall column.
Air is pumped by the integral diaphragm-type air pump into the base of the column.
The air passes up the column, giving up the oxygen to the water.