Wastewater "gets beautiful" with ultrasound treatment
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Web Content Article on-date May 5, 2016 4:09 PM
Again this year, the HERA Group will be attending with its own stand the Career Day organised by the University of Modena and Reggio Emilia (UNIMORE) in collaboration with the Regional Authority...
Tipologia Evento: Job and Training -
Web Content Article on-date May 5, 2016 4:06 PM
Again this year, the Hera Group will be attending with its own stand the Ferrara Career Day, an initiative organised by the Departments of Engineering, Economics, Mathematics and Computer Science,...
Tipologia Evento: Job and Training -
Web Content Article on-date May 5, 2016 4:01 PM
The Hera Group will be attending the Career Day organised by the Department of Computer Science, Science and Engineering (DISI) at the University of Bologna, which will be held on Wednesday 10 May...
Tipologia Evento: Job and Training -
Web Content Article on-date Apr 11, 2016 2:28 PM
This year again, the Hera Group will have its own stand at Career Day organisedby the University of Trieste, an event aimed at creating a meeting point between undergraduates and businesses. The...
Tipologia Evento: Job and Training -
Web Content Article on-date May 26, 2015 12:49 PM
The event will take place from 11:45 to 13:15, at the HerAcademy Learning Center (HerAcademy room), in Viale Carto Berti Pichat 2/4 in Bologna, and will mark the conclusion of the first three-year...
Tipologia Evento: Job and Training -
Web Content Article on-date Feb 17, 2015 10:42 AM
Hera group will have its own stand at the first edition of "MOREjobs - Career Day UNIMORE", an event organised by the University of Modena and Reggio Emilia and aimed at bringing graduates and...
Tipologia Evento: Job and Training -
Web Content Article on-date Feb 17, 2015 11:29 AM
Hera Group will have its own stand at the placement event "Job Day Ingegneria ed Economia @ Unife", organised by the University of Ferrara and aimed at bringing together businesses and students and...
Tipologia Evento: Job and Training -
Web Content Article on-date Mar 5, 2015 4:46 PM
The 8-hour course will take place on Monday 9 March 2015 and has been laid on courtesy of the participation of Philips and in conjunction with the national agency for new technologies, energy and...
Tipologia Evento: Job and Training -
Web Content Article on-date Feb 17, 2015 11:46 AM
This year too, Hera Group will have its own stand at Career Day in Bologna, an event aimed at bringing together graduates and businesses. The initiative, organised by the University of Bologna, in...
Tipologia Evento: Job and Training
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The ultrasound hydrolysis system, installed in the Forlì treatment plant, makes the life cycle of wastewater sludge circular. The result: less sludge to dispose of, and more biogas produced.
Wastewater is all the water that, after having been used in domestic, agricultural, and industrial activities, must be treated before being returned to the environment.
This water contains a solid part – sludge – which is removed during treatment. But, in addition to giving a new life to wastewater, can we also make the sludge life cycle circular, by reducing the amount to be disposed of?
Back in 2017, we started research to answer these questions, and, once again, we decided to invest in new technologies to lighten the impact on the environment and be more virtuous. In November 2019, our efforts became a reality, thanks to the ultrasound sludge hydrolysis system, installed at the Forlì treatment plant.
In this system, part of the sludge from the wastewater treatment process is subjected to sound waves. The waves, in contact with the liquid matrix to be treated, biodegrade more volatile solids, increasing biogas production, and reducing the final dry matter in the sludge. All this makes it possible to significantly reduce the volume of sludge to be disposed of and opens up new scenarios for the use of the biogas obtained thanks to the ultrasound system.
During 2020 the initial results will be reported and we look forward to sharing the successes of this new adventure with you.
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