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American Air Filter International
American Air Filter International




AAF air filtration helps control odors at high-profile Parisian restaurant

See how AAF helped solve a French restaurant’s oily problem.

The Filtration Situation

This company has one of its flagship restaurants in an exclusive location — in Paris, France on the Avenue des Champs Elysées. Situated near many famous sites in the city center and renowned for its architecture and scope, it’s vital that the location maintains its public image.

Yet there were concerns. Air filtration issues — including complaints from neighboring offices about pungent odors from cooking oil — were obvious. Engineering consulting company Secath Concept contacted AAF for a solution.

The AAF solution

Rather than simply offering odor-control gas-phase filters, AAF filtration experts completed a comprehensive technical audit.

Key findings:

  • The kitchen installation was in compliance with the applicable legal requirements
  • The ventilation ducts need to be cleaned
  • The ventilator unit was not equipped with any filtration stage

Together, AAF and partner Secath Concept recommended the installation of a multi-stage filtration solution. The system would need to filter not only particles but the gaseous contaminants responsible for the problem odors. The analysis determined that the chemical filtration stage of the system needed to filter nitrogen oxide (NO2), Volatile Organic Compounds (VOCs), and ozone (O3).

The Results

After taking all filtration and engineering issues into consideration, AAF recommended a three-stage filter solution with four filters per stage.

Crucial to the design of the filter housing was the total weight of the unit, as it had to be installed on the building’s rooftop.

The VariSorb XL filter was chosen. It effectively removes VOCs, sulfur dioxide, nitrogen dioxide and ozone. In addition, the corrosion-free, non-metal and lightweight construction of the filter, compared to filter canisters, helped achieve the necessary goal weight for the filtration unit.

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