In connection with the Race Bank project, Alain Pieters from the R&D department was asked whether the seals of the trencher Moonfish would not be affected by the use of biodegradable oil. “The client wanted to avoid that, in the event of a leak, traditional hydraulic oil would be spread across the fragile nature reserve The Wash. Because, obviously, the answer to this question would not be found in literature, we decided to perform tests. We immersed a dozen rubber parts for one week in different types of oils at a temperature of 80°C, which is plus or minus the normal operating temperature.”

Originally, the R&D lab mainly worked for the Environmental Treatment  Division Envisan. “Today, we are increasingly consulted for dredging or offshore projects as well. Although environmental technology will always remain important. Envisan treats contaminated soil, sediments and groundwater. In this context, it is – obviously – important to select the most optimal technique. Or to confirm that the technique imposed by a client is indeed the best suited.”

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