Wastewater "gets beautiful" with ultrasound treatment
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Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 10, 2023 4:52 PM
2023-02-10 Please note that the document entitled “Guidance from the Board of Directors of Hera S.p.A. to shareholders on the composition of the Board of Directors” was published today and is...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article · written-by Palvi Andrea Tonziello on-date Mar 6, 2023 10:16 AM
SI Appointment of the Board of Directors and of the Board of Statutory Auditors For the appointment of the Board of Directors, the procedure is in accordance with current legislation and pursuant...
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Web Content Article · written-by LUCIA ALGISI on-date Feb 9, 2023 4:39 PM
SI Page updated 15 May 2024 NO No Sinistra
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Web Content Article · written-by LUCIA ALGISI on-date Feb 17, 2023 11:51 AM
SI Shareholders are asked to attend the Extraordinary and Ordinary Shareholders’ Meeting at the head office of Hera S.p.A. - Viale C. Berti Pichat no. 2/4, Bologna – at “Spazio Hera” - on 30...
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Web Content Article on-date Feb 8, 2023 3:45 PM
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Web Content Article · written-by Davide Donnarumma on-date Feb 8, 2023 2:17 PM
Operating and financial highlights 2026 Ebitda: approximately 1.5 billion (+246 million compared to 2021) Total investments amount to over 4.1 billion (+53% compared to the last 5 years) Net...
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Web Content Article · written-by Davide Donnarumma on-date Feb 8, 2023 1:43 PM
2023-02-08 Based on positive preliminary results for 2022, the new five-year Plan builds on the solid foundations of the previous one and is enriched with important projects aimed at promoting the...
Comunicati stampa: Financial Results Hera Spa Other press releases Price sensitive -
Web Content Article · written-by LUCIA ALGISI on-date Nov 9, 2021 9:30 AM
Interactive 2023 annual report The results of a multi-business strategy and long-term value creation, rising to tomorrow’s challenges today Group 153.png Find out more NO SI GruppoHera Bianco
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Web Content Article · written-by LUCIA ALGISI on-date Jan 25, 2024 11:37 AM
Business Plan 2023 - 2027 Good performances push forward our strategic plan, keeping up with the pace on sustainability mezzaluna_business_plan.png Find out more NO SI GruppoHera Bianco
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Web Content Article · written-by LUCIA ALGISI on-date Jan 24, 2024 5:29 PM
Business Plan 2023 - 2027 Good performances push forward our strategic plan, keeping up with the pace on sustainability mezzaluna_business_plan.png Find out more NO SI GruppoHera Bianco
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Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 9, 2023 12:46 PM
Press release BP2026.pdf
Tipologia DL: Investor -
Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 9, 2023 12:43 PM
Analyst Presentation BP 2026.pdf
Tipologia DL: Investor -
Web Content Article · written-by Davide Donnarumma on-date Dec 29, 2020 4:51 PM
Hera awarded 2023 Sustainability Gold Class by S&P Global img_card_home_yearbook_23.png This year, once again, we have received the Gold Class from the rating agency responsible for the...
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Web Content Article · written-by Davide Donnarumma on-date Feb 1, 2022 2:18 PM
We are in the 2023 Bloomberg Gender-Equality Index img_bloomber_2023_Card_Home.png We have been included for the fourth year in a row in the international index that assesses outstanding companies...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 7, 2023 9:24 AM
2023-02-07 This year, once again, Hera has received the Gold Class from the rating agency responsible for the Sustainability Awards. This important recognition highlights the Group’s ability to...
Comunicati stampa: Hera Spa Other press releases -
Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 7, 2023 11:46 AM
With the publication of the 2023 Sustainability Yearbook – the report containing the analyses carried out to gain access the Dow Jones Sustainability Index (DJSI) – we have been awarded S&P...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 7, 2023 11:35 AM
With the publication of the 2023 Sustainability Yearbook – the report containing the analyses carried out to gain access the Dow Jones Sustainability Index (DJSI) – we have been awarded S&P...
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Web Content Article · written-by Davide Donnarumma on-date Jan 30, 2023 4:17 PM
Always concerned with implementing policies concerning gender equality and enhancing diversity in the workplace, in 2023 as well we have been counted among the most inclusive companies worldwide....
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Web Content Article · written-by Palvi Andrea Tonziello on-date Jan 30, 2023 11:57 AM
2023-01-31 Hera has been included for the fourth year in a row in the international index that assesses outstanding companies for their policies relating to gender equality, diversity and...
Comunicati stampa: Hera Spa Other press releases -
Web Content Article · written-by Davide Donnarumma on-date Jan 31, 2023 10:09 AM
Always concerned with implementing policies concerning gender equality and enhancing diversity in the workplace, in 2023 as well we have been counted among the most inclusive companies worldwide....
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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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