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Session Overview
WS12: Technologies for airborne biocontamination control in indoor environments
Tuesday, 14/June/2022:
10:30am - 12:00pm

Session Chair: Hannu Salmela
Session Chair: Jani Pietari Hakala
Session Chair: Anu Sood
Location: CA100

Session Abstract


Increased understanding about the importance of air transmission of SARS-CoV-2 has raised up the urgent need for safe indoor environments globally. In addition to adequate general ventilation systems, corona-safe indoor air requires sophisticated local ventilation solutions to provide clean breathing air to occupants and exhaust contaminated air efficiently from the room. Also recycling, filtrating and purifying the indoor air efficiently can increase the amount of clean air provided to the occupants. At the same time, the requirements for energy savings, CO2

emission reductions, sustainability and economical aspects are valid, meaning that the air has to be distributed, exchanged and cleaned in an energy efficient way. To meet the challenge, there are several clean air technologies capable to provide efficient solutions for mitigating the

spread of pandemics. Wider utilization of these technologies require multidisciplinary and multi-actor co-operation and knowledge transfer between the scientific community, companies, authorities and end users.


The workshop concentrates on discussing about novel technologies for biocontamination control in indoor environments. The main objective is to present scientific background behind the technologies and their applicability to solve the airborne contamination problem.

The aim is to discuss and find answers to the following questions:

1) What is the role of airborne biocontamination control technologies in overall control of pandemic threats?

2) How the (varying) target level for the mitigation technologies can be assessed?

3) What scientific evaluation methods are available to compare efficiency, cost/benefit and impact of the technologies?

4) What new strategies and technologies are needed towards paradigm change?

5) How better utilization of technology can be recognized in the society?

The technological scope is on novel ventilation and air distribution strategies, air filtration and air purification/inactivation solutions. Masks and personal protective devices are considered as part of protection concepts. Emphasis is on countermeasures that reduce the exposure to airborne pathogens significantly, taking account other important features like energy efficiency, applicability and effect on indoor air quality (e.g. reduction of fine particles).

The workshop is targeted to scientists, company representatives, authorities and end users in indoor air area. We encourage the attendees to bring up your own views and discuss about the challenges whether it be technical, economic, social or human. How would your innovation tackle the challenges?


Ventilation and other engineering control measures to reduce COVID-19 airborne transmission

Jarek Kurnitski Tallinn University of Technology, Tallinn, Estonia

Recommendations related to COVID-19 and buildings in Sweden

Lars Ekberg Chalmers University of Technology, Gothenburg, Sweden

Efficiency of technological countermeasures against airborne respiratory infections

Aku Karvinen VTT Technical Research Centre of Finland Ltd, Espoo, Finland

The role of room air purifiers and personal protective solutions in pandemic management

Minna Väkevä Lifa Air Ltd, Helsinki, Finland

Introduction of a novel air disinfection method

Sandy Seth, LUV Systems Inc., Gardena, United States


Show help for 'Increase or decrease the abstract text size'
ID: 697
Topics: 1a. Indoor air quality, health and wellbeing - Biologicals, gaseous, particles, 6a. Ventilation and air cleaning - Novel solutions (air distribution), 6b. Ventilation and air cleaning - Filtration, 6c. Ventilation and air cleaning - Portable air cleaners, 8a. Cleaning, hygiene and prevention of disease transmission - Surface contamination, air quality
Keywords: Pandemics, air transmission, airborne pathogens, ventilation, air cleaning, air filtration

Technologies for airborne biocontamination control in indoor environments

Chair(s): Hannu Salmela (VTT Technical Research Centre of Finland Ltd), Jani Hakala (VTT Technical Research Centre of Finland Ltd)

Presenter(s): Jarek Kurnitski (Tallinn University of Technology), Lars Ekberg (Chalmers University of Technology, Gothenburg, Sweden), Aku Karvinen (VTT Technical Research Centre of Finland Ltd), Anu Sood (LUV Systems, Inc.), Minna Väkevä (Lifa Air Ltd, Helsinki, Finland), Sandy Seth (LUV Systems Inc., Gardena, United States)

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