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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Reduction of the Concentration and Effect of Dihydrogen Sulphide (H2S) Contained in the Biogas from Anaerobic Digestion by Acting on the Desulphurization Tower in Order to Protect the Thermal Engines of the Cogeneration Units
verfasst von : Mohammed Jmili, Reda Errais, Akram El Hamam, Oussama Drissi Maliani, Khalid Guissi, Younes El Fellah, El Mostapha Boudi, Youness Gaga, Hind Hassimi, Baali El Houssain
Erschienen in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (3rd Edition)
Verlag: Springer Nature Switzerland
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Abstract
In this present work, the main objective is the protection of the two electricity cogeneration units of the wastewater treatment plant of the city of Fez, from the harmful effect of dihydrogen sulphide (H2S), contained in biogas from anaerobic digestion. For this, the adoption of a new large-scale design project for the desulphurization tower within the wastewater treatment plant (STEP) in the city of Fez in Morocco has enabled us to develop a technique to multiple regimes for the treatment of dihydrogen sulphide. It consists of the chemical, biological and internal micro-aeration treatment of the digester. This technique has given very interesting results, for example, the increase in the number of hours of operation (NHO) of the two cogeneration units. In 2019, we were able to achieve an NHO of 14,418 h for the two units instead of an NHO of 8769 h in 2018, with a cogenerated electrical quantity of 7,237,844 Kilowatt-hour (KWh) in 2019 instead of 5,864,653 KWh in 2018.