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Maria Kapsalaki's picture

Maria Kapsalaki

Consultant, INIVE EEIG (Non-profit)
Greece

Speaks English German Greek Portuguese Spanish

Ask the Experts

Which nanomaterials are most commonly used for photocatalytic applications?

Titania (TiO2) is suitable for several environmental applications such as air purifier, waste water treatment cleaning, water disinfection and photo-induced hydrophilic coating with self-cleaning properties. It can be incorporated in bulk concrete,...
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What are the critical parameters in the use of nanomaterials in the building sector?

The selection of the appropriate matrix is of importance since it can affect the effectiveness of nanomaterials, or even react in such a way that unwanted by-products may be produced.   The presence of dissolved oxygen in the...
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What are the uses of Photocatalysis in the building environment?

There are many examples of photocatalysts aimed at reducing urban depollution applied on photocatalytic pavements. Titanium dioxide (Titania) is being explored as a component, but the correct method of applying...
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What are the important factors for the photocatalytic performance?

The size of the nanoparticles is an important factor, when it comes to the photocatalytic performance. Nanomaterials with smaller particles are expected to provide better photocatalytic activity.   In order to enhance the...
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Are there examples of photocatalytic applications in the building industry?

Self-cleaning/photocatalytic properties are known since the 1960s, but they have only recently been widely exploited. The first application was on the church ‘‘Dives in Misericordia” in Rome. It is composed of 346 self-cleaning concrete blocks made...
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What is photocatalysis and how does it work?

Photocatalysis is the activity occurring when a light source interacts with the surface of semiconductor materials, the so called photocatalysts. During this process, there must be at least two simultaneous reactions occurring, oxidation from...
News

OVERVIEW | Nanomaterials in the built environment

by Dimitra Papadaki (NKUA)   The growing field of nanotechnology can be found in healthcare, electronics, cosmetics, information technology, and environmental protection, but also in the building sector. It involves the...
Publication

venticool newsletter issue #11 - December 2017

The eleventh issue of the venticool newsletter includes two articles providing feedback on the ventilative cooling workshop in Brussels followed by the final IEA-EBC Annex 62 expert meeting in Gent in October, 2017. Further on, Professor Maria...
News

OVERVIEW | Alleviating Urban Heat Island in the Context of Climate Change

by Vasileios Ntouros (NKUA)   Urban Heat Island (UHI) is known to have significant impacts on the environment, giving rise to ambient temperatures in and around rural areas. At the same time, climate change issues are intensifying...
News

OVERVIEW | Smart HVAC systems in buildings and energy savings

by François Durier (CETIAT)   Advanced controls for heating, ventilation and air conditioning (HVAC) systems can reduce consumption in unoccupied zones of a building. They can also continuously adapt the operation to fit the demand and...