The Role of Boron-Doped Diamond and Platinum Anodes in the Three-Compartment Electrochemical Pretreatment of Stabilized Landfill Leachate – Response Surface Methodological Approach

• Autorzy: Bagastyo Arseto Yekti , Anggrainy Anita Dwi , Rosyidah Badriyah

Identyfikatory

DOI

10.12911/22998993/154980

• Języki publikacji: EN

Abstrakty

EN

Stabilized landfill leachate contains high fractions of refractory organics that cannot be effectively degraded by simple biological or physicochemical treatment. Thus, primary treatment was required to improve biodegradability and enhance treatment efficiency. This study investigated the role of Boron-Doped Diamond (BDD) and platinum (Pt) anodes at a current density of 29.2 and 33.3 mA/cm² in the electrochemical processes for the pretreatment of stabilized leachate. A three-compartment electrochemical reactor was used in the research to enhance the removal of ionic pollutants. The pollutants were measured as total dissolved solids (TDS), chemical oxygen demand (COD), ammonium-nitrogen (NH₄–N), and nitrite (NO₂^–). The reactor performance was then analyzed using a regular two-level factorial design. The results showed that the electrochemical process effectively removed organic and inorganic pollutants. The highest removal was obtained at 33.3 mA/cm² using the BDD, measured around 48, 82, 60, and 79% for TDS, COD, NH₄–N, and NO₂^–, respectively. Meanwhile, the specific energy consumption for COD removal was estimated to reach 1.5 and 1.55 Wh/g for BDD and Pt, respectively. These results imply that the type of anodes and applied current densities significantly influence the treatment efficiency.

Słowa kluczowe

EN

boron-doped diamond; electrochemical process; leachate pretreatment; platinum; response surface methodology

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2022
• Tom: Vol. 23, nr 12
• Strony: 50--60
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Bagastyo Arseto Yekti

• Department of Environmental Engineering, Faculty of Civil, Planning and Geo-Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, 60111, Indonesia
• Research Center for Infrastructure and Sustainable Environment, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia

• https://orcid.org/0000-0001-8850-9255

autor

Anggrainy Anita Dwi

• Research Center for Infrastructure and Sustainable Environment, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia

autor

Rosyidah Badriyah

• Department of Environmental Engineering, Faculty of Civil, Planning and Geo-Engineering, Institut Teknologi Sepuluh Nopember, Surabaya, 60111, Indonesia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).