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Visible Light Active PhotoCATalytic Concretes for Air Pollution Treatment

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EXISTING APPLICATIONS

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Application and demonstration of existing concretes – the geography

 

Over the past ten/eleven years a large number of structures have been built in Southern Europe using photocatalytic materials products with the main purpose of providing highly aesthetic durable and pollution abatement surfaces. Some well known examples are: Church “Dives in Misericordia”, Rome, ITALY, Music and Arts City Hall, Chambéry, FRANCE, Police Central Station , Bordeaux, FRANCE, Air France Building, Roissy – Charles de Gaulle Airport, FRANCE, Saint John’s Court, Montacarlo, MONACO, Ciments Maroc Headquarter, MOROCCO, Chiesa Matrice, Cittanova, ITALY, Vodafone Italy Headquarter, Milan, ITALY (under construction), as well as over 40 large paving areas across Italy. Relatively  few attempts have been made to install photocatalytic structures in Centre and North Europe when compared to Southern Countries. Amongst the better known are a parking lane in Antwerp, BELGIUM, the Castorweg road (1000 m2) in the municipality of Hengelo, THE NETHERLANDS, a pavement area in Lysegrå Malmö, SWEDEN, and few small structures in Germany comprising outdoor roof applications based on Heidelberg’s product TioCem™.

 

Relevant activities and projects by Light2CAT consortium partners

 

Cementa (Heidelberg Group), partner of Light2CAT, has been already a key player in other European projects on photocatalytic cementitious materials (EUREKA 3479 NANOCrete) and they have been selling photocatalytic cementitious products since 2007/2008 under the trade name TiOmix™. Both TioCem™ and TiOmix™ are based on Italcementi’s TX Active that has been licensed from Italcementi to Heidelberg (and consequently Cementa, being Heidelberg Global the holding that controls Cementa). Subsequently TioCem™ and TiOmix™ have been licensed to a series of SMEs and companies in both Germany and Sweden that are progressively taking up the Centre/North European market. Starka Betong Industrier, partner of Light2CAT too, is one of these SMEs and the executor of the demonstrator pavement area in Malmö where photocatalytic concrete pavers (EcoNox™) have been.

 

Other European Projects

 PICADA is one of the best known Europe-funded project on photocatalytic construction and covering materials (Photocatalytic Innovative Coverings Applications for Depollution Assessment programme). The project assessed the benefits provided by the use of TiO2-based photocatalytic cementitious materials and, laboratory results have been compared to results in real world conditions by monitoring the efficiency of photocatalytic pavers in a car park and photocatalytic vertical walls in a simulated street canyon. Experimental evidence showed that abatement of hazardous gas pollutants like NOx (in climatic conditions typical of South of Europe) can reach and, in some optimal conditions of light exposure, wind circulation, initial pollutants concentration depending on traffic conditions, etc..., breakthrough the threshold of 60 %. This was also confirmed by other independent tests. For instance, the implementation of ordinary TiO2 in concrete over a total area of about 7000 m2 of the roads in Milan, contributed to a reduction by 60 % the NOx concentration in the air in one single year. In a parking area in Segrate, ITALY, Global Engineering, a contractor nominated by the City Council to repave several areas with TX Active products, measured similar abatements over a period of nine months.

  

Alternative technologies

Together with cement-based materials, a series of photocatalytic paints for both external (roads, vertical surfaces, etc) and indoor applications (offices, schools, motorway and city tunnels) have been developed. Products like ECOPurer™ and Ecopaint™ are commercially available. In particular Ecopaint was (together with a series of other photocatalytic cementitious materials) was a product tested and developed during PICADA. These technologies will also benefit from the improved efficiency and reduced reliance on UV activated catalysts resulting from this project

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Application and demonstration of existing concretes – the geography

Over the past ten/eleven years a large number of structures have been built in Southern Europe using TX products with the main purpose of providing highly aesthetic durable and pollution abatement surfaces. Some well known examples are: Church “Dives in Misericordia”, Rome, ITALY, Music and Arts City Hall, Chambéry, FRANCE, Police Central Station , Bordeaux, FRANCE, Air France Building, Roissy – Charles de Gaulle Airport, FRANCE, Saint John’s Court, Montacarlo, MONACO, Ciments Maroc Headquarter, MOROCCO, Chiesa Matrice, Cittanova, ITALY, Vodafone Italy Headquarter, Milan, ITALY (under construction), as well as over 40 large paving areas across Italy. Relatively  few attempts have been made to install photocatalytic structures in Centre and North Europe when compared to Southern Countries. Amongst the better known are a parking lane in Antwerp, BELGIUM, the Castorweg road (1000 m2) in the municipality of Hengelo, THE NETHERLANDS, a pavement area in Lysegrå Malmö, SWEDEN, and few small structures in Germany comprising outdoor roof applications based on Heidelberg’s product TioCem™.

Relevant activities and projects by Light2CAT consortium partners

Cementa (Heidelberg Group), partner of Light2CAT, has been already a key player in other European projects on photocatalytic cementitious materials (EUREKA 3479 NANOCrete) and they have been selling photocatalytic cementitious products since 2007/2008 under the trade name TiOmix™. Both TioCem™ and TiOmix™ are based on Italcementi’s TX Active that has been licensed from Italcementi to Heidelberg (and consequently Cementa, being Heidelberg Global the holding that controls Cementa). Subsequently TioCem™ and TiOmix™ have been licensed to a series of SMEs and companies in both Germany and Sweden that are progressively taking up the Centre/North European market. Starka Betong Industrier, partner of Light2CAT too, is one of these SMEs and the executor of the demonstrator pavement area in Malmö where photocatalytic concrete pavers (EcoNox™) have been deployed.

2017  Light2cat  
Light2CAT project is funded by the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement n° 283062