Wastewater "gets beautiful" with ultrasound treatment
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Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 4, 2021 11:49 AM
No Business model Creating both economic and ESG value Reference market Source: Hera Group's 2021 Financial Statements … fully reflected by returns for shareholders and stakeholders The value...
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Web Content Article on-date Jan 28, 2022 5:00 PM
The meeting of the BoD to approve ad interim results as at 31 March 2022 will be held on 11 May 2022. The Board of Directors, as communicated for the previous financial year and in line with the...
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Web Content Article on-date Aug 4, 2021 9:51 AM
2021-08-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 August 2021 - The...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 3, 2021 12:57 PM
SI Cookies disabled - content not available A Word From the Team the Hera Group purification plant at Rimini NO No Sinistra
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Web Content Article · written-by LUCIA ALGISI on-date Aug 3, 2021 12:13 PM
No Customer served in the local areas - html data Areas Customer served Municipalities served Employees by location Environmental services Water Gas and Electricity Bologna 771,000 88%...
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Web Content Article · written-by LUCIA ALGISI on-date Aug 3, 2021 10:34 AM
SI Page updated 9 April 2024 NO No Sinistra
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Web Content Article on-date Aug 3, 2021 10:19 AM
null null null null null null null null null null null null null null null null null null Shareholders meetings of 28 April 2021 Shareholders meetings of 28 April 2021 Shareholders meetings of 28...
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Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 3, 2021 9:57 AM
Go to sustainability report 2021 SI Covid-19 impacts on business and operations In 2020 the Group, much like the entire utilities sector, did not directly suffer from the interruption of...
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Web Content Article on-date Aug 3, 2021 9:56 AM
Si Covid-19 emergency management Bianco Si GRUPPO
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Web Content Article on-date Oct 26, 2021 3:41 PM
398 Energy Solutions for the Climate The new 'Energy Solutions for the Climate' report by the HERA Group, in which the multi-utility company documents its commitment to the challenge of climate...
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Web Content Article on-date Aug 2, 2021 2:33 PM
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Web Content Article on-date Jul 30, 2021 11:19 AM
2021-07-30 potabilizzatore_val_di_setta.jpg The certification process for the Val di Setta plant, located in Sasso Marconi and serving Bologna’s main aqueduct, has been successfully completed,...
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Web Content Article on-date Jul 30, 2021 12:00 PM
Potabilizzatore Val di Setta Hera’s Sasso Marconi (BO) drinking water plantcertified by the AWS (Alliance for Water Stewardship), the leading international standard that encourages a responsible...
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Web Content Article on-date Oct 26, 2021 3:44 PM
398 Val di Setta plant From today, Hera's potability treatment plant in Sasso Marconi (BO), which also serves Bologna, is AWS (Alliance for Water Stewardship)-certified, the first international...
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Web Content Article on-date Jul 29, 2021 12:39 PM
573 0 0 DA_Padova_Viale della navigazione_2021.pdf 0 2012-07-30 Fiorenza Bavieri 944 1 0 Fiorenza Bavieri
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Web Content Article on-date Jul 29, 2021 12:39 PM
581 0 0 DA_Trieste_Via Errea_2021.pdf 0 2012-07-30 Fiorenza Bavieri 963 1 0 Fiorenza Bavieri
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Web Content Article on-date Jul 29, 2021 12:39 PM
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Web Content Article on-date Jul 27, 2021 12:18 PM
SI The Group’s issuances summary BONDS MATURITY (YEARS) MATURITY DATE ISSUE SIZE (€/MLN) OUTSTANDING (€/MLN) COUPON PAYMENT ANNUAL COUPON Bond Luxembourg Stock Exchange 10 22/05/2023 68.0 68.0...
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Web Content Article on-date Jul 27, 2021 12:16 PM
SI The bond issuances and contracted loans are adequate to meet the Group's investment needs and, at the same time, are obtained at competitive conditions, without any interest rate risk. Current...
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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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