Remove greasy exhaust air
What is greasy exhaust air?
Greasy exhaust air is mainly produced in the food industry and in catering establishments. This type of exhaust air contains greasy particles and aerosols that are released by cooking, frying and deep-frying food. Greasy exhaust air is a major problem as it settles in ventilation systems and exhaust air ducts, which can lead to hygiene problems and fire hazards.
Occurrence
Greasy exhaust air is mainly produced in kitchens in restaurants, canteens, snack bars and in food processing. Wherever large quantities of food are cooked, fried or deep-fried, the formation of greasy aerosols and vapours is unavoidable.
Detection
Greasy exhaust air is often recognisable by an intense food odour, which can vary depending on the type of food being prepared. It becomes visible through smoke or vapours that appear in the kitchen or near the exhaust vents. It also leaves sticky deposits on walls, ceilings and ventilation systems.
Limit values
There are specific regulations and guidelines in Germany for the control of greasy exhaust air, which are laid down in the Ordinance on Installations for Handling Substances Hazardous to Water (AwSV) and in the regulations of the employers’ liability insurance associations. There are no specified occupational exposure limits as there are for chemical substances, but exhaust air purification systems must be regularly maintained and cleaned in order to fulfil hygiene and fire protection standards.
Hazards
Health: Airborne grease particles can cause respiratory irritation and increase the risk of respiratory diseases. Long-term exposure can also lead to allergic reactions and skin problems. Environment: Greasy exhaust air can contribute to air pollution and, if not filtered and disposed of properly, can harm the environment. Economic damage: Deposits in ventilation systems significantly increase the risk of fire and can lead to high cleaning and maintenance costs. In addition, an inadequate exhaust air system can hinder operations and lead to a loss of sales.
The oxytec Purification Technology
For many organic pollutants, we offer energy-saving and clean technologies for neutralisation, which we combine in multi-stage plants. In order to achieve a reduction below the limit values, not only the dimensioning of the respective purification stage but also the sequence of the technologies is decisive, as they have different physical effects on the molecules. Below we present some of our purification modules.
CWA
Alternative technologies
Other technologies such as conventional activated carbon filters and simple ventilation systems often have disadvantages such as high energy consumption, limited cleaning performance, large space requirements, long lead times and high investment costs.
Advantages of the oxytec solution
- Compact design: Small footprint compared to traditional systems.
- Fast amortisation: Thanks to low operating costs and high efficiency.
- Environmentally friendly: Minimised environmental impact thanks to innovative technologies
- Efficient greasy exhaust air reduction: High cleaning levels with minimal energy consumption
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