Slide Pollution Gabriele Torri Ver2

7/30/2019 Slide Pollution Gabriele Torri Ver2

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[ Level of Smog in Bergamo ]

The level of pollutants is continuously monitored bythe regional environmental agency (ARPA)According to them the level of PM10 in 2011 has beenhigher than the legal limit for 87 days.Also NO2 and ozone level were above the legal limits.


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[ Subjects Affected by the Pollution ]

The concentration of pollutants increases getting close to the roads.The pedestrian, and expecially the childrens, who walk on the sideways are the most affected by theproblem.for this reason it is very important to find solutions capable of reducing the pollution right where they are

produced.


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[ Photocatalysis ]

Photocatalysis is the acceleration of a photoreaction inthe presence of a catalystThis process may be used for accelerating thedecomposition of several pollutants, for example NOx,ozone and SO4.It is possible to use photocatalytic materials for roadpavement and wall paint.


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[ Photocatalitic Pavement in Bergamo ]

Since 2006 in via Borgo Palazzo,one of the main roads ofBergamo, it has beensperimentally implemented aphotocatalitic pavement.

The sperimentation has beenstopped one year later due tosome technical problems not

related to the technology itself.

This incident may have reducedthe general confidence in thistechnology.


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[ Photocatalitic Pavementin Bergamo 2 ]

The technology was provided by Italcementi, oneof the top global players in the market ofconstruction materials, that is settled in Bergamo.

This company produces a wide range ofphotocatalitic materials.


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[ Trees and Plants ]

Planting trees and plants is the simplestand most common way to reduce urbanpollutants.

They capture not only CO2 but also othermolecules and particulate matter.


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[ Trees and Plants 2 ]

The efficiency of the plants in the reduction of smogis confirmed by many scientific studies.They also tried to identify the better ones, thatproved to be elms, limes, walnuts and ash trees.There are also some exhotic plants such astillandsia that are even more efficent.


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[ Final Question ]

Is it possible to improve the quality of the air in the most trafficated areas of

the city implementing techniques that destroy pollutants?[

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Slide Pollution Gabriele Torri Ver2