Nuclear Power Plants

Energy Technology

Energy Technology
Nuclear Power Plants

Klarwin^® offers dedicated solutions and technical support for purifying water, oil and air throughout every stage of the power cycles in nuclear power plants.

Main applications:

Contamination control is our focus wherever we are talking about moderator, heat transport system or spent fuel. Klarwin provides solutions to help nuclear power plants to maintain low levels of radioactive contamination and reduce rad-waste.

Proposed technical solutions and their benefits:

Filtration of heavy water in the Primary Heat Transport System and Moderator System reduces radioactive levels.

Filtration of irradiated water in the Fuel Bay helps visual inspection.

Filtration of water in the fuelling machine maximizes component reliability.

Filtration of active liquid waste reduces costs related to waste disposal.

Filtration of the end shield cooling water ensures proper heat transfer.

Purification of vent air ensures worker protection.

Keeping the water circuit that goes into the turbine at optimum level, ensures the efficiency, reliability and low operating costs of the turbine.

Proposed technical solutions and their benefits:

Filtration and demineralization of condensate reduces deposits and corrosion on pipes.

Filtration of boiler feed water avoids deposits on boiler walls and turbine blades.

Filtration of stator cooling water avoids overheating and generator failure.

Filtration, desalinization and softening of process water ensures proper cooling and protects pipe integrity.

For safe operation of nuclear power plants, not only water cleanliness is important, but also hydraulic and lubrication oils and gases

Studies prove that hydraulic systems and machine parts failures are 80% of the times due to particulate and moisture contamination in lubrication, hydraulic or dielectric oils [Rabinowicz, 1981]. Using state-of-the-art filtration systems results in lowering operating and maintenance costs, decreasing unplanned downtime and extending oil life.

Proposed technical solutions and their benefits:

Filtration of turbine lubrication oil prevents against varnish and corrosion formation.

Filtration of hydrogen seal oil prevents against hydrogen leaks.

Filtration of fire-resistant fluids prevents oxidation and varnish formation.

Filtration of jacking oil protects the turbine’s journal bearing from wear.

Filtration of diesel generator oil ensures the reliability of the equipment in case of emergency.

Filtration & Separation Solutions

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Special nuclear grade filter, Pall Ultipor GF Plus Fine, is designed to retain submicron contamination from liquid radioactive waste.

Pall Ultipleat Diesel Plus protects generators from corrosion and permits functioning at maximum efficiency, eliminating water and particles from Diesel.

Pall PSS, PMM, Rigimesh metallic filters offer reliable and guaranteed performances in high temperature environment.

We offer custom-made microfiltration/ ultrafiltration (MF/UF) solutions, like Pall Aria, that fits your budget and capacity needs.

Pall Hydro-Guard backwash filters offers high service life and ease to sterilize.

Pall Ultipleat HF filter cartridge, with laid-over-pleat configuration, is the perfect solution in high flow rate applications.

Pall Athalon and Coralon filters, with ratings from 3 µm to 25 µm and removal efficiency up to Betax(c)≥2000, are manufactured with Stress Resistant Technology and tested under cyclic conditions.

Varnish removal units (Pall VRF), that use SUPRAdisc technology, is suitable for highly contaminated oils, to prevent its chemical degradation.

Pall Red1000, retrofit range of competitor elements, offer improved process performance and same filter media resistant to cyclic conditions, as Coralon, with no investment cost.

Rental equipment

We are constantly developing a fleet of testing or rental equipment, offering the opportunity to improve fluid cleanliness for a low cost. In addition, we test the effectiveness and efficiency of our solution to ensure that we deliver what we promised.