Results

The different tasks carried out, including the corresponding deliverables have been indicators of project progress. Below, in the section 7.2 Technical annexes, there is a list of all the deliverables and annexes submitted during the different administrative milestones of the project: Inception Report, Midterm Report, Progress Report and this Final Report. However, a summary of the most important tasks performed is shown below:
Action A.1: Selection of locations for the implementation of the FENIX system.
During this action have been selected the locations where the photocatalytic treatment will be applied and the reference locations used as mirror areas.
Initially, Madrid City Council decided that the objective area of the study should be located in the Low Emission Zone (firure 1) which is the central core of the city of Madrid. This area is which Madrid is making special efforts to reduce pollution. After a great job of documentation by city technicians, Chamberí and Salamanca neighborhoods were selected as target zones, with a first proposal for the Project in each zone. Finally, Steering Committee decided that the action would take place in the neighborhood of Chamberí, in the area defined in the deliverable of this action (for more details see D.A1.1).

Fig. 1. Low Emissions Zone.

Action B.1 Installation and evaluation of the sensor network.
During this action, the network of wireless sensors for collecting air quality information (NO2, relative humidity and temperature) was designed, installed and put into operation. The sensors were distributed homogeneously along the test sections and the selected “mirror” sections. The network has had more than 80 measurement points. More details are gathered in the deliverables D.B1.1 and D.B1.2.
Action B.2: Preparation of the FENIX formulation.
The objective of this action was the preparation and manufacture of the photocatalytic formulation and the organization of the logistics for its application in action B.4. In this action the most important details of the manufacturing process of the formulation have been developed. To carry out this action, it was subcontracted to COMPOSAN, a company that manufactures polymeric materials related to the road sector and that prepares the one of the most important components of the formulation, the special binder. During this action, the most suitable suppliers for the photocatalyst were selected, mainly the company CRISTAL.
As a result of this action, more than 30,000L of photocatalytic formulation were manufactured in 1,000L containers in two phases. More details of this action have been included in the D.B2.1 deliverable.
Action B.3: Acquisition and interpretation of collected data.
During this action, NO2 data was collected from the sensor network and from the rest of the auxiliary sources of air quality and related parameters. In parallel, several analysis methodologies have been developed to evaluate the impact of the application of the treatment. It has been found that although the application of the treatment seems to reduce the environmental concentration of NO2, the differences found are not significant for most of the stretches. However, it should be noted that for some of the stretches, Alberto Aguilera and Ruiz Jiménez, during a short period (one month) it were found significant differences between the reference values and those registered, which could be concluded for that case that an appreciable positive effect was achieved.
In addition, a model has been developed to evaluate the impact of photocatalytic treatment using ADMS software. The modeling performed has confirmed the positive impact of the treatment in certain conditions. Figure 2 shows the dispersion map of NO2 in one of the test areas during October 2016.

Fig. 2. Dispersion map of NO2 in one of the test areas during October 2016.

In addition, quality control of the work and the application of the photocatalytic treatment have been monitored. The analysis of the samples has shown that the activity of the treatment decreases after its application until after about 4 months no photocatalytic activity appears. All the details of this action have been included in the deliverables D.B3.2 and D.B3.3.
Action B.4: Performing the test sections.
During this action, selected test sections were implemented. This action was programmed in two phases so that conclusions could be drawn from the application of the treatment on existing pavement and on new pavement areas with high and low porosity. In August 2016, a first application of photocatalytic treatment was carried out on 73,700m2 of existing asphalt pavement. Subsequently, in June 2017 the second phase of the application was carried out on 21,400m2 new pavement (16,100m2 of open mix and 5,300m2 of closed mix). Figure 3 shows some images of the renewal of the tread layer, the application of the photocatalytic treatment and the result and more information in deliverable D.B4.2.


Action C.1 Environmental impact assessment of project actions (LCA and Carbon Footprint).
A complete study of the environmental impact of the process has been carried out, in 4 different application scenarios, analyzing treatment application 1 or 3 times a year or in isolation or in combination with a renewal operation of the surface course. In all the cases studied, the application of the treatment was positive in the impact categories related to nitrogen oxides. Deliverables D.C1.1 and D.C1.2 show the works carried out in this action.
Action C.2 Socioeconomic impact assessment of the project
The socioeconomic impacts of the project have been monitoring through surveys of the population, workers, stakeholders, etc., showing the results in Deliverable C2.1.
Action D.1 Dissemination plan
Main dissemination tasks made are: graphic material (brochures, roll-up, posters, notice board, Layman, etc.), project web page (www.life-equinox.eu), social networks (Twitter @LifeEquinox and LinkedIn), attendance at events and congress, appearances in the press, radio and television. A complete description of these dissemination activities can be found in Deliverables D1.1, D1.2, D1.3 and D1.4. In section 5.2 Dissemination actions, there is more information about these dissemination activities.
Action E.1 Project management and coordination by CARTIF
CARTIF has been the coordinator of the project and therefore responsible for its technical and administrative execution. During this action, the monitoring of the project actions has been carried out to assess the adequate development of them (deliverables, milestones, indicators, etc.). Throughout the project, more than 20 follow-up meetings and 5 meetings with the external monitoring of NEEMO have been held. More information is described in paragraph 4. Administrative part.
Action E.2 Networking
Contacts have been established with other LIFE and H2020 projects, institutions, companies and related associations through events, conferences, congresses, via email, telephone contacts, etc. Outstanding have been the collaborations with the LIFE MINOX-STREET and PHOTOSCALING and the projects H2020 NanoFASE and FP7 GUIDENANO. All these contacts have been included in the Deliverable D.E2.1

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