Wastewater "gets beautiful" with ultrasound treatment
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Web Content Article · written-by Palvi Andrea Tonziello on-date Nov 9, 2022 12:23 PM
2022-11-09 Despite the complex macro scenario, the Group’s quarterly report at 30 September 2022 shows an increase in Ebitda compared to 2021. Hera’s multi-business model, balanced between internal...
Comunicati stampa: Hera Spa Price sensitive Financial Results -
Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 31, 2023 10:26 AM
Gruppo Hera celebrated the 25th anniversary of Ecomondo with an original fashion show featuring 25 iconic outfits from their collection. The SCART project, known for its creative reuse, showcased...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Nov 8, 2022 5:10 PM
On November 30th and December 1st, 2022, Hera Group will take part in the fifth edition of the “Southern European Infrastructure Conference”, organized by Mediobanca in Australia. This year's...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Nov 8, 2022 11:07 AM
Today, the Hera Group, acting through its subsidiary Herambiente Servizi Industriali (HASI), signed a binding agreement for a long-term partnership that provides for the acquisition of 60% of the...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Nov 7, 2022 3:52 PM
2022-11-07 The binding agreement signed today provides for the acquisition by the Hera Group of 60% of ACR, based in Modena and leader in the remediation and industrial waste treatment sector. ...
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Hera Group and ACR: the first national operator in remediation and global service activities is born
Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 31, 2023 10:27 AM
Through its subsidiary Herambiente Servizi Industriali (HASI), Hera Group and company A.C.R. have finalized an agreement that marks the birth of Italy's largest operator in contaminated site...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 31, 2023 10:28 AM
“Tracking waste”- Hera Group’s report on the path of separate waste collection valuing the citizens’ daily efforts - has reached its 13th edition, presenting data for 2021. In 2021, separate waste...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 27, 2022 4:03 PM
SI Saving is as easy as drinking a glass of water Read the story NO No Sinistra
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 21, 2022 2:22 PM
From 8 to 11 November 2022, Ecomondo, the leading event in Europe regarding the ecological transition with technological and industrial innovation in waste management services and the green economy...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 31, 2023 10:30 AM
The Trieste waste-to-energy plant has undergone a major renovation, improving its power generation capacity and operational continuity. The project makes the Friuli-Venezia Giulia region's waste...
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Web Content Article · written-by LUCIA ALGISI on-date Oct 19, 2022 11:36 AM
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 18, 2022 11:44 AM
See the 2022 Highlights SI Page updated 21 March 2023 NO No /documents/1514726/0/Sustainability+Report+2022+-+Highlights.pdf/d5e745f4-3226-8aca-7378-459e5a20a787?t=1679401862569 Sinistra
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Web Content Article · written-by ELENA FARRE on-date Oct 18, 2022 11:13 AM
SI NO No 2023 Sustainability Report Sinistra
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 18, 2022 11:07 AM
AWS Certification for Val di Setta potabilization plant SI NO No /-/aws-certification-for-val-di-setta-potabilization-plant Sinistra
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 18, 2022 10:58 AM
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Web Content Article · written-by LUCIA ALGISI on-date Oct 18, 2022 10:53 AM
SI Page update 9 April 2024 NO No Find out the Hera Group’s Tax Strategy Sinistra
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Web Content Article · written-by LUCIA ALGISI on-date Oct 18, 2022 10:45 AM
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Web Content Article · written-by LUCIA ALGISI on-date Oct 18, 2022 10:39 AM
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 18, 2022 10:34 AM
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Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 18, 2022 10:43 AM
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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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