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Wolsung Nuclear Power Plant Uses Liqui-Cel® Membrane Contactors for Dissolved Oxygen Removal to Prevent Corrosion

From Membrana
 

 

Dissolved oxygen is a leading source of corrosion in water systems. The Korean Electric Power Institute (KEPRI) has installed Liqui-Cel Membrane Contactors in the Wolsung nuclear power plant in South Korea. The membranes have been in operation since 2000 and have successfully met the rigorous demands of the nuclear power industry.

The Wolsung unit 1 plant is a pressurized heavy water type reactor (PHWR). In this plant the membranes are used to remove dissolved oxygen from the end shield cooling system. This system re-circulates water that is used to cool the reactor wall. The cooling system is filled with carbon steel balls that are used to prevent radiation exposure to the workers during a refueling period. Dissolved oxygen is controlled in order to prevent corrosion of the piping and carbon steel balls in the system.

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Product Announcements
Membrana - Oxygen Removal from Water
Dissolved oxygen in a liquid stream can have many negative impacts on processes because it causes corrosion and oxidizes materials, such as piping and boilers. Liqui-Cel® Contactors are an... (read more)
Membrana - Liqui-Cel®
Liqui-Cel® Membrane Contactors remove from or add gasses to liquids. They are widely used for O2 removal from water as well as CO2 removal from water. Membrane Contactors have displaced vacuum towers,... (read more)
Membrana - Corrosion Control
Corrosion control and prevention is a necessary consideration in order to avoid the large cost of replacing pipes and equipment that have corroded due to dissolved gasses, such as CO2 and O2 being... (read more)
Membrana - Nitrogenation
Processes can be improved by introducing nitrogen into fluids. Two such examples are Ultrasonic and megasonic cleaning. These processes are improved if the oxygen is removed, but some nitrogen is also... (read more)
Membrana - Debubbling
Bubbles often cause many process issues in analytical systems and process water systems if not removed. In analytical and measurement systems, bubbles can also have an unintended impact on readings. (read more)
Membrana - Ammonia Removal
Many industries face Ammonia contamination issue with their wastewater because Ammonia is often used to clean in many processes. Unfortunately, the Ammonia often ends up in plant wastewater. (read more)
Membrana - Carbon Dioxide Removal from Water
Carbon dioxide is a common cause of the high conductivity. Membrane contactors remove carbon dioxide from water, typically upstream, without a chemical pH adjustment, allowing EDI and CDI systems... (read more)
Hach Company - HACH LDO - Process Dissolved Oxygen Probe
Breakthrough Luminescence Technology for Measurement of Dissolved Oxygen... (read more)
Topics of Interest
Dissolved oxygen is a leading source of corrosion in water systems and it is carefully\ monitored and controlled in nuclear power plants. The Korean Electric Power Institute (KEPRI) has installed... (Read More)
Proper treatment of boiler feed water is an important component of a boiler system. As steam is produced, dissolved solids become concentrated and deposit inside the boiler. This leads to poor heat... (Read More)
A semiconductor plant in Taiwan is using Liqui-Cel® Membrane Contactors to remove dissolved gas from their ultra pure water (UPW) system. The UPW system is used to purify water used in the... (Read More)
A major power plant in Thailand is using Liqui-Cel® Membrane Contactors to remove carbon dioxide from a DI water system. The system is an expansion project and will be used to feed a high... (Read More)
There is a trend in the semiconductor industry for precise control of oxygen and nitrogen concentrations in ultrapure water. Specifically there is a goal in the polishing loop of a semiconductor plant... (Read More)
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