Possibilities of Leachate Co-Treatment Originating from Biogas Production in the Deammonification Process

• Autorzy: Majtacz Joanna , Grubba Dominika , Kowal Przemysław , Czerwionka Krzysztof

Identyfikatory

DOI

10.12911/22998993/113507

• Języki publikacji: EN

Abstrakty

EN

In the methane fermentation process, sewage sludge is the single substrate or serves as a co-substrate with the addition of various waste products. After the treatment stable digestate is obtained, which consists of two phases solid and liquid. Liquid phase, called as a leachate, due to the high content of nutrients must be treated before they are discharged into the final receiver. Physical and chemical methods of leachate treatment are usually expensive and difficult to maintain. Application of biological methods seems to be promising in such applications, however number of papers focused on such issue is limited. The aim of the presented study was to determine the treatment possibility of leachate generated during co-fermentation of agricultural products (bovine slurry) and excessive activated sludge in the deammonification process. During the experiment dewatered digestate from the mesophilic co-fermentation of bovine slurry and excessive active sludge, were co-treated with synthetic wastewater in a 1:3 weight ratio in the sequencing bath reactor. In the final test period, the Superfloc C494VP polyelectrolyte (from Kemira) was dosed into the leachate in order to enhance solids removal. AUR, NPR and AA were calculated to evaluate the deammonification process. It turns out that it is possible to co-treat leachate from biogas plants in C/N ratio no more than 1. The test also noted that a better oxidation effect of NH₄ N was noted by adding polyelectrolyte to leachate. On the other hand, this negatively affected the viscosity of the granules and their sticking.

Słowa kluczowe

EN

leachate; biogas production; deammonification; co-fermentation

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2020
• Tom: Vol. 21, nr 1
• Strony: 14--19
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Majtacz Joanna

• Faculty of Civil and Environmental Engineering, Gdansk University of Technology, ul. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Grubba Dominika

• Faculty of Civil and Environmental Engineering, Gdansk University of Technology, ul. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Kowal Przemysław

• Faculty of Civil and Environmental Engineering, Gdansk University of Technology, ul. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Czerwionka Krzysztof

• Faculty of Civil and Environmental Engineering, Gdansk University of Technology, ul. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).