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Reference project
Multiphase ozone and scrubber solution removes food odors
Introduction.
Combining ozonation and water scrubbing prevents odor emission and bacterial growth
Our client in this project is one of the key producers of food ingredients in Estonia and is currently expanding its industrial production.
Unfortunately, when you rapidly expand your business, it can have unpleasant side effects that need to be remedied. One such side effect can be disturbing odor.
The problem.
Our client has had problems with disturbing odors for a long time. Fermentation is one of the steps in our client’s production process. During this process, microorganisms process the raw materials while releasing volatile compounds into the fumes. These compounds have a very intense odor due to their chemical structure, and human noses are especially sensitive to the odor. High humidity levels make the treatment even more challenging. Despite the production plant not being in a central location, odors were still spreading, which lead to complaints from the neighbors.
The discomfort, caused by odors coming from the production process and the industrial wastewater, eventually became unbearable. Due to strict local regulations and pressure from the locla authorities, our client needed an effective high-end odor removal system. Hence, the company turned to Mellifiq inquiring about a long-term and sustainable solution.
The solution.
In this case, a simple product delivery would not solve the problem: due to technical requirements and space limitations, there was no standard product compliant with all requirements, Due to the complex situation, we at Mellifiq needed to adopt a more comprehensive approach.
We ended up developing and delivering a custom-made treatment solution. The solution consisted of a combination of a powerful ozone system that had the necessary output, our turn-key Ozonetech RENA Tellus X600, and a water scrubber. In this custom solution, ozone had a double function since it was injected into both contaminated air and water. Once dissolved into the water phase, it prevented contamination by bacteria such as salmonella and legionella. In the air phase, the ozone removed the remaining odors after the water scrubber, thus completing the odor treatment.
A maximum height of only 2.3 m was one of the most challenging space limitations, and to solve this issue, we made use of CFD (Computational Fluid Dynamics) simulations. The simulations ensured an effective combination of air-water contact with optimal air velocity. The scrubber was fully integrated with the ozone system so that the both systems could operate smootly over long periods of time. With the RENA Tellus system having a modular design, the system can be configured for even higher odor loads in the future.
Evaluation.
Thanks to Mellifiq’s turn-key approach to system design and automation, the whole solution could be installed with ease. As soon as the system was commissioned, we could observe a remarkable odor removal rate of 94%.
The neighbors were, of course, overjoyed and the complaints ceased promptly. Having seen just how effective our treatment solution was, the production manager quickly decided to order the same solution for another one of their sites—in Slovakia this time—that was suffering from the same problem. We are glad to see our efforts rewarded with a satisfied and loyal customer.
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