Smelling of Roses: Treatment of Wastewater From Aroma Production
Whether in food and drink, cosmetic products, cleaning products or perfumes - consumers encounter International Flavors & Fragrances (IFF) products everywhere. The company, with its headquarters in New York, is one of the world's leading producers of fragrances and fla-vounngs for industrial clients. IFF uses may different basic substances in the production of their products, for example highly-concentrated oils. When the stainless steel tanks and pipes are cleaned after production, a trace of these substances end up in the wastewater - this is obvious from the smell. Therefore this mixture must first be treated before it can be discharged into the public sewers. Otherwise it can overstep legal thresholds and heavy polluter penalty levies may be applied. For this treatment. IFF's fragrance production location in Tilburg in the Netherlands has relied for some years on a combination of a grease separator and an active charcoal plant. 'But the operating costs were very high', said Rob de Hoog, Project Engineer at IFF. 'That is why we were looking for a new. cheaper, total solution, which we could use to eliminate certain organic substances which cannot be discharged at all. and at the same time to reduce the chemical oxygen demand (COD) by around 70 percent.'
Project Data
- Application : Production of fragrances and flavours
- Wastewater volume : 150ms/day (peak level 70 m3/hour)
- Discharge : Indirect discharge
- Targets : eliminate organic substances. reduce COB load by 70 per cent
- Plant technology : an EnviModul including the main components of a Flomar HF 20 flotation tank, grease separator type HAB, buffer tank
A flexible modular system provided the solution
The choice was EnviModul from EnviroChemie. This is a flexible modular system for decentralised treatment ol process and wastewater, which we can adapt to the specific customer requirements', says Sicco Hilarius. Sales Manager at EnviroChemie in the Netheriands. For IFF this means an HAB type grease separator and the Flomar HF 20 flotation plant. The elements are housed in a twelve metre long steel module. The benefit: no dedicated building had to be built for wastewater treatment. The system is extremely flexible, so the capacity can easily be expanded by additional modules and - it necessary - the module can also be moved to another location quite easily. 'Those were also important aspects (or us, because we do not have a lot ot space on our site and we do not know if and when we mighl expand our production. With EnviModul we can retain our flexibility - if necessary we can just move the water treatment to another spot', says Hoog.
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