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Aqualia is developing the R+D+i SMART

Green Gas project at the Guadalete (Je-

rez de la Frontera) wastewater treatment

plant (WWTP). The aim of this research is

to obtain 100% Spanish origin, renewa-

ble biofuel from wastewater from the

households of residents in Jerez de la

Frontera to be used in compressed na-

tural gas (CNG) powered vehicles.

A consortium formed by Gas Natural Fe-

nosa, EDP-Naturgas Energía, and Bio-

gas fuel cell, Diagnostiqa, Dimasa Gru-

po and Ecobioga is collaborating in the

development of the SMART Green Gas

project with the support of the CIEN pro-

gram of the Centre for Industrial Tech-

nological Development (CDTI), and the

Ministry of the Economy, Industry and

Competitiveness. Developed and paten-

ted by Aqualia, the technology makes it

possible to develop a circular economy

and the construction of resilient cities by

transforming traditional WWTPs into an

energy producing factories.

Aqualia and SEAT

join forces to find a more sustainable biofuel

Innovation

It is estimated that a medium-size WWTP

such as the one in Jerez de a Frontera,

could produce a million litres of biogas

per day, sufficient to feed a fleet of more

than 300 vehicles. This would enable

cities to supply a fleet of urban buses,

waste collection rucks, police cars and

ambiances as well as other public servi-

ces managed by the City Council.

One of the advantages of this project

is environmental since a biomethane-

powered car avoids the entire biofuel

production cycle and enables an 80%

reduction of CO

2

emissions compared

with petrol-drive vehicles.

Furthermore, profitability is evident since

the development of the project will result

in energy optimisation and significant

cost savings in the wastewater treatment

process. This implies that cities that im-

plement this technology will increase

their autonomy and sustainability.

Speech by Mamen Sánchez, mayor of

Jerez, at the presentation of the project on

29 November.

The mayor, councillor and FCC Aqualia managers with the Smart Green Gas cars.

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