Wastewater "gets beautiful" with ultrasound treatment
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Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 21, 2022 3:36 PM
2022-04-21 The country’s leading catering company and the Emilia-Romagna based multi-utility have forged a circular economy partnership Elior, Italy’s foremost catering company, and the Hera...
Comunicati stampa: Hera Spa Other press releases -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 21, 2022 2:03 PM
2022-04-21 The agreement aims to synergize the data collected by the networks in the gas-electricity multiservice area The results of this collaboration could be of interest to multi-utility...
Comunicati stampa: Hera Spa Other press releases -
Web Content Article on-date Apr 13, 2022 10:30 AM
2022-04-13 In addition to the information provided on 5 April 2022, Hera S.p.A., as requested by Consob, states the following: CEO Stefano Venier has resigned from his office, effective as of 26...
Comunicati stampa: Hera Spa Other press releases -
Web Content Article on-date Apr 7, 2022 11:07 AM
2022-04-07 Bologna, 7 April 2022 – The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 March 2022. ...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 6, 2022 9:59 AM
2022-04-06 Kindly note that the following documents, approved by the Hera S.p.A. Board of Directors, have been made available to the public at company headquarters, on the website...
Comunicati stampa: Shareholders’ meeting Financial Results Hera Spa Price sensitive -
Web Content Article on-date Apr 5, 2022 11:14 PM
The Board of Directors of Hera S.p.A., after meeting today, acknowledged the resignation of Stefano Venier as Chief Executive Officer. His resignation will become effective on 26 April 2022, and on...
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Web Content Article on-date Apr 5, 2022 4:15 PM
No Online report Y2021 Bianco Si GRUPPO
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Web Content Article on-date Apr 5, 2022 12:36 PM
2022-04-05 The Board of Directors of Hera S.p.A., after meeting today, acknowledged the resignation of Stefano Venier as Chief Executive Officer of the Company, formally presented on 4 April 2022....
Comunicati stampa: Other press releases Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 4, 2022 10:43 AM
statement-of-comprehensive-income.pdf cash-flow-statement.pdf HeraGroup-FY21-eng-18-31_0.pdf statement-of-financial-position.pdf net-debt.pdf statement-of-changes-in-net-equity.pdf...
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Web Content Article on-date Mar 31, 2022 7:04 PM
First of all, I would like to congratulate the Chief Executive Officer Stefano Venier on his new appointment, which represents the right recognition of the great work he has done within the Hera...
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Web Content Article on-date Mar 31, 2022 11:54 AM
SI Meeting of Hera shareholders: see you 28 April 2022 Find out more NO No Centrato
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Web Content Article on-date Mar 28, 2022 6:44 PM
During 2022 AGM, financial results as at 31/12/2021 will be approved and major fiscal year events will be presented to shareholders, with a special focus on CSR and creation of shared value key...
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Web Content Article on-date Mar 28, 2022 1:06 PM
2022-03-28 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 28 April 2022, is available to the public at the Company headquarters, on the authorised...
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Web Content Article on-date Mar 25, 2022 2:34 AM
Financial Results 31 12 2021
Tipologia DL: Investor -
Web Content Article on-date Mar 25, 2022 2:32 AM
20220323_Press release_FY2021.pdf
Tipologia DL: Investor -
Web Content Article on-date Mar 25, 2022 2:31 AM
Analyst presentation FY2021.pdf
Tipologia DL: Investor -
Web Content Article · written-by Palvi Andrea Tonziello on-date Mar 23, 2022 8:33 PM
Sustainability report The 2022 Sustainability report was approved by the Board of Directors of the Hera Group on 21 March 2023 Immagine box BS2022 Find out more NO SI Gruppohera Nero
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Web Content Article · written-by Palvi Andrea Tonziello on-date Mar 23, 2022 1:52 PM
The Hera Group closed the year 2021 with positive results, despite the complex scenario seen in Italy due to the ongoing Coronavirus emergency and, in the second half of the year, high volatility...
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Web Content Article on-date Mar 23, 2022 10:19 AM
2022-03-23 The year ended positively, with all operating and financial indicators up compared to 2020. Financial solidity, the pursuit of sustainable development and the value creation for local...
Comunicati stampa: Price sensitive Hera Spa Financial Results -
Web Content Article · written-by LUCIA ALGISI on-date Mar 9, 2022 10:07 PM
Sustainability report The 2023 Sustainability report was approved by the Board of Directors of the Hera Group on 26 March 2023 Group 21.png Find out more NO SI GruppoHera Bianco
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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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