According to recommendations of Commission in its response letter to second visit to the project, a sustainability, replicability and transfer of project results has been established.

<p style="text-align: justify;"> In that sense, the heavy metals&acute; and contaminants &lsquo;adsorption system established in the prototype will be applied to sewage sludges coming from different WWTP in Spain apart from the Aqualia WWTP in Lob&oacute;n, and with different heavy metals&acute; content.</p> <p style="text-align: justify;"> Efficacy of heavy metals reduction system developed in the prototype will be assessed in the diverse sludges from Spanish WWTPs.</p> <div> &nbsp;</div>