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MECCATECH

This project aims to address Turin's urban pollution problem in the Porta Nuova area by implementing photocatalysis technology on asphalt, paints, and plants. Photocatalysis, a photochemical process, neutralizes pollutants transforming them into harmless compounds. The application of photocatalysis can help remove pollutants like nitrogen dioxide, carbon monoxide, particulate matter, formaldehyde, and more. Modified asphalts and paints, along with using plants, offer long-term solutions with environmental benefits. By reducing pollutants, this initiative contributes to public health and sustainability.

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MECCATECH

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  1. MECCATECH

  2. TASK 1 – Identify the problem Problem: Turin’s urbanpollution In particular • Porta Nuova Area: • Slowedtraffic in manysurroundingstreets • Approximately 1500-2500 cars per hour • between 7:40 and 8:40 Phototakenon Geoportale di Torino

  3. Target Groups Residents and workers Car Bus On foot Emissions: 1.4 Kg 0.85 Kg 0 Kg Distance: 8.1 Km 9.8 Km 1.8 Km Averangedaily data

  4. Task 2 – Solution: Photocatalysis Whatisit? Howdoesit work? • A photochemicalprocesssimilartophotosynthesis • An accelerator of natural oxidation processes • The light, natural or artificial, activate the photocatalyst (TiO2) • Titanium dioxide form the reactant molecules to oxygen • These reagents (ROS) in contact with the pollutants transforming them into CO2 and H2O neutralize Phototakenonwww.aironhealth.com

  5. Howtoapply? Possibleapplications AsphaltPaintsPlants

  6. Asphalts Mainfeatures • 32 tons of pollutants are absorbed annually by 1 square kilometer • the mostimportant: • nitrogendioxide; • carbonmonoxide; • particulatematter; • Formaldehyde; • Sulphurdioxide; • benzene • Average price is 25 € per square meter The CNR is estimated that 1 m2 can get to remove about l '80% of the pollutants present in 80 m3 of air in just 1 hour Phototakenonwww.senini.it – Modified

  7. Asphalts Why use them? The main advantages • They have an average life of 12 years compared with 7 of traditional asphalts • Their cost is absorbed over time due to less maintenance • The catalyst is not consumed and remains effective throughout the life of asphalt • Annual deaths reduced by 180-300 units • Public healthexpenditurereduced

  8. Paints Why apply on our homes? • Because their effects are equal to those of asphalts • Why stay clean building exteriors • Because their cost is slightly higher than that of conventional paints. Phototakenonwww.csbari.it

  9. Plants It is possible to use plants as an alternative to paints In lesspollutedplaces • Absorption capacity is less than asphalt and paints • Cheaperthanasphalts and paints • The mosteffective are: • Edera • Dracena Phototakenonwww.fototoscana.it

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