Greetings friend @emiliomoron, as usual an excellent content that you share with us in this opportunity related to the cleaning of wastewater implementing electricity, highlighting the following:
Wastewater is even a great opportunity for resource exploitation. If properly managed, wastewater can be a sustainable source of water, biogas, nutrients and other recoverable resources.
Excellent friend contribution. Successes.
Thanks friend @rbalzan79, they can certainly be an important resource if we stop seeing wastewater as a simple waste