When the surgeon takes the scalpel in the operating room, the highest hygiene standards must be ensured. This also applies to the air filtration. The same is true in isolation rooms, where patients could transmit infectious diseases via the air (airborne spreading). Again, filters must work reliably at all times to prevent microbiological contamination.
In essence, filter requirements for hospital applications can be summarized in three key points:
- Protection of patients, visitors and staff from airborne contaminants
- Protection against microorganisms in buildings
- Reliable filtration of non-pathogenic particles, as these can serve as a vehicle for bacteria
To achieve the required indoor air quality, we combine air filters of different classes and designs into multi-stage systems. Generally, a 2-stage filtration system serves to remove coarse to fine particles. In operating theaters or isolation rooms, end-stage filters are used to remove even finer particles from the air.
These sensitive areas are subject to particularly strict requirements. To ensure the highest quality of clean air, the air is guided by low-turbulence displacement flow. In adjacent areas, the number of hourly air-change cycles is determined by the size of the room as well as by the equipment it contains and the numbers of people using the area. The supply of a sector with filtered air must be designed to ensure an effective flow while minimizing the risk of creating higher pressure than in adjacent areas, under all operational conditions.
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- Hygiene inspections and hygiene controls in accordance with VDI 6022, conducted by trained personnel
- Filter replacement and cleaning, including certified disposal
- Acceptance testing according to DIN 1946-4
- Filter monitoring
- Filter procurement, stockholding and disposition
- Filter comparison and energy efficiency measurements
- On-site filter training modules, including installation, filter changing and handling, storage, principles of filtration, filter classification
- Test laboratory equipped to the latest standards
- Personal account management
- Complete range of filters
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Standardized systems for supply air filtration are frequently inefficient and do not make full use of their potential for optimization. The more specifically filter systems are customized to the respective ambient conditions and plant requirements, the greater performance and reliability they achieve.
Our experts work with you to develop the best filter solution for your plant on the basis of the testing standard ISO 16890. In the filter evaluation, typical urban and rural particle size distributions are considered based on the particulate matter fractions PM1, PM2,5 and PM10, and filter arrestance efficiencies are determined accordingly.
With e.FFECT, the electronic Freudenberg Filter Efficiency Calculation Tool, calculating the optimal filter solution is extremely simple. The local ambient conditions and specific process requirements enter directly into the calculation. Multi-stage filter systems can then be objectively compared. This simplifies the selection of the best filter concept for your needs.
Where the highest standards of air purity are required – for example in operating rooms in hospitals – airborne particles and germs must be reduced to an absolute minimum in order to protect the patients, visitors and hospital staff.
Air Filtration in Hospital Applications
Filtration systems in cleanroom quality
For Hospital San Juan de dios in Córdoba