Efficient oil separation as preventive environmental protection
LK Metal references
LK Metal references
– Application: Cooling water treatment before discharge into watercourses
– Separator type: LK light liquid separator, nominal size NS 50 l/s
– Flow rate: 70 – 140 m³/h
– Objective: Separation of hydraulic oil in the event of an accident
– Location: North Rhine-Westphalia, water protection zone
LK Metall products used:
Environmental protection has always been a top priority at the production site of a metal processing company in North Rhine-Westphalia. As the operating facilities are located in the catchment area of a water protection zone directly on the River Lenne, there was a considerable risk that oily media could enter the water in the event of malfunctions or leaks.
In the course of modernization measures on the rolling mill ‘s middle strip mill, a water-hydraulic cooling system was replaced by an oil-hydraulic one – a change that increased the risk potential. The company was therefore looking for a permanently effective and technically reliable solution to prevent damage.
The company had already had positive experiences with LK light liquid separators in the past. These systems were able to separate oil-water mixtures efficiently and significantly reduce the residual volume to be disposed of. Building on these successes, LK Metall developed a customized solution:
A type-approved LK light liquid separator type A50DUO NS 50 was installed to treat the entire cooling water flow before it is discharged back into the river. After careful structural planning, the installation site was structurally reinforced so that the separator could be optimally integrated into the existing infrastructure. The system not only serves as a classic oil separator, but also removes flotate sludge from the water.
Since October 2014, all of the recirculated cooling water has been flowing through the LK coalescence separator. The system ensures that the Lenne is not polluted even if oil is discharged. The company thus makes an active contribution to water protection and meets the highest environmental standards – a measure that has a preventative effect and combines operational safety and sustainability.
As an oil separator and for other light liquids
– Up to 50 l/s flow rate (180 cubic meters per hour)
– minimum residual volume to be disposed of, integrated oil reservoir
– even with varying wastewater volumes or heavily contaminated water
– low cleaning and maintenance costs
– with general building authority approval
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