For treatment in the column deaeration system, the water is distributed in the upper part of the column. The column contains densely packed, thin stainless steel plates arranged so that the water takes multiple paths as it flows downwards. This maximizes the exchange surface area and contact time between the water and the stripping gas (CO2 or N2). The stripping gas is fed into the bottom of the column and rises countercurrently to the water. The large partial pressure difference of O2 drives the oxygen from the water into the gas phase. This fundamental scientific principle is described by Henry's Law. At the top of the column, the removed oxygen exits the system as a gas along with the undissolved CO2 or N2. To increase efficiency and prevent carbonation or nitrogenation of the water, the system can optionally be operated under vacuum and without stripping gas. This reduces investment and operating costs. The O2 content of the deaerated water is continuously monitored. For this purpose, the system is equipped with a high-precision optical OXYTRANS sensor from Centec. Centec has decades of experience in the development and manufacture of its own precision instruments for O2 control. The virtually oxygen-free water is collected at the bottom of the column. For further use, it can optionally be cooled, disinfected with UV light, or additionally carbonated.


 
 High-precision OXYTRANS sensor for process control
 
 Operation under vacuum and without stripping gas possible
 
 Customized modular design with standard PLC
 
 Frame-mounted for easy installation and commissioning
 
 Hygienic design and full CIP capability