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Reference project
The odors from the charcoal grill no longer disturb offices
Introduction.
The Ozonetech RENA Pro ozone system enables up to 91.5 % odor removal
This project takes place in one of Sweden’s largest cities!
Our current client is one of the largest shopping malls in the country; its central location, easy parking and variety of restaurants, cafes, shops and boutiques makes it one of the most visited malls in Sweden. There are also plenty of offices both inside the mall and in the vicinity.
The mall also hosts events and concerts, having a dedicated event space in the middle of the mall. In addition, it is also an important social gathering spot for people, especially youths.
The problem.
One of the restaurants in the mall had recently been rebuilt in order to make room for a charcoal grill. The grill fumes emitted an intense odor and had a high grease content, which disturbed the nearby offices a great deal whenever the air current brought the fumes to them.
With the restaurang only having a ventilation flow rate of 1100 L/s, the odor problem became significant enough that the office workers started complaining regularly. In most kitchens, the air entering the ventilation system contains odor compounds with very low particle amounts. However, kitchens with charcoal grills are a different story. The charcoal produces lots of smoke and soot particles that protect the odor compounds from exhaust treatment processes. Due to this, charcoal grills are a very challenging task.
Having caught wind of all the complaints, the mall management reacted swiftly and contacted us at Mellifiq in order to find a solution to their problem.
The solution.
To minimize odor emissions, our client chose to order an Ozonetech RENA Pro™ ozone system from us.
The plug-and-play installation was done in the back of the restaurant next to the ventilation ducts, out of sight from customers. There, the ozone is injected directly into the ventilation system. The RENA system is mounted on a skid that can fit a half EUR-pallet, making for an easy and efficient installation.
The high-performance and remotely monitored Ozonetech RENA system is oxygen-fed and liquid-cooled. This system setup is the only way to reliably produce large quantities of concentrated ozone over long periods. It is, in turn, the only way to continuously and automatically remove grease from kitchen ducts with minimal maintenance.
The HELS™ technology, our electrodeless ozone generation technology, produces up to 30 % more ozone compared to traditional corona discharge techniques. Furthermore, our Ozonetech RENA system produces no dangerous by-products such as NOx and HNO3. We also make sure that the system safety is as high as possible. In case of incidents like ozone leaks or low duct air pressure, the ozone generator is automatically shut off.
Evaluation.
The Ozonetech RENA Pro delivered as promised, showing an average reduction of VOC emissions (Volatile Organic Compounds) by 72% and an average odor reduction by 78%. At maximum performance, the reduction percentages were as high as 91.5%. The system also functioned reliably no matter how much air it needed to treat: performance tests were done during both peak hours and off-peak hours in order to obtain results that were as reliable as possible.
Thanks to the Ozonetech RENA Pro, people in the surrounding offices are no longer disturbed by unpleasant odors, even when the charcoal grill is operating at full capacity. The mall management team and the restaurant owner can safely rely on the fact that this system investment will keep the mall smelling fresh and clean for a very long time, despite the charcoal grill!
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