The soil on the WAVIN site in Hardenberg has been contaminated with solvents for a long time. These substances were formerly used as a degreasing agent. WAVIN has been controlling this groundwater contamination since the 1990s. Groundwater was pumped up and cleaned above ground. But the problem was not definitively …
Het wassen van bodemas is een noodzakelijke stap in het verouderingsproces om bodemassen vrij toepasbaar te maken in de bouw (meer informatie in het nieuwbericht)The resulting wastewater needs to be treated before it can be discharged. The wastewater has a number of challenging characteristics (salt, high pH, heavy metals, high …
Developments in the field of biotechnology give rise to new possibilities in ongoing soil treatment and monitoring. There are new publications every year concerning micro-organisms that have the ability to degrade pollutants. For example, a publication in 2017 revealing the discovery of an anaerobic benzene-degrading bacterial species. If you have …
An industrial customer of Orvion is currently processing rest products from its operation in a conventional manner. The rest products that are released can be reused in the production process, but must be cleaned off-site beforehand. Using ORVIbiotest, Orvion has established that through dosing with a suitable bacterial population, the …
Orvion has carried out an optimisation of a biofilter for ADM Europoort. ADM’s biofilter is used to remove odour from the waste gases that are produced during the production of soya and rapeseed oil. The biofilter is filled with bark from pine trees that acts as a carrier for bacteria …
Client: Logisticon Water Treatment Question: A very highly loaded MBR bioreactor (average influent concentrations COD 15.000 mg/L and ammonium 4.000 mg-N/L) showed Nitrite accumulation (up to 1.000 mg/L) and didn’t function properly. The question was to find the underlying problems and advise on the optimization of the process in order …
