Improving the Quality of Anaerobically-Pretreated Palm Oil Mill Effluent Using Electrocoagulation

• Autorzy: Sailah Illah , Reyhanto Fathan , Puspaningrum Tyara , Romli Muhammad , Suprihatin Suprihatin , Indrasti Nastiti Siswi

Identyfikatory

DOI

10.12911/22998993/128867

• Języki publikacji: EN

Abstrakty

EN

The palm oil extraction process generates large amounts of effluents with very high concentrations of pollutants, even though they are subjected to anaerobic pretreatment. Further treatment is needed in order to ensure that the effluent is safe for disposal or reuse. This work was conducted to evaluate the performance of an electrocoagulation process in removing pollutants from the anaerobically-pretreated palm oil mill effluent. A 1000 ml beaker glass equipped with a magnetic stirrer was used as an electrocoagulation reactor with four plates of aluminum electrode @ 12×2 cm and an effective area of 0.1 m² arranged in a bipolar configuration. The experiments run in a batch mode were carried out at various voltage levels and contact times, namely 10, 15, and 20 V for 15, 30, 45 and 60 min. The level of pollutant removal and electrical energy consumption were determined. The electrocoagulation process at 15 V for 30 min produced the highest level of pollutant removal for TSS, turbidity, color, COD, and BOD₅, i.e. 90%, 86%, 93%, 87%, and 97%, respectively. The estimated operating costs for these process conditions are 1.48 USD/m³. A second order empirical model was developed to describe the TSS removal in the POME electrocoagulation process. The electrocoagulation with aluminum electrodes can significantly reduce various types of pollutants of anaerobically-pretreated POME, such as TSS, turbidity, color, COD, and BOD₅. The estimated cost of EC operation is cheaper than the chemical coagulation process.

Słowa kluczowe

EN

aluminum electrodes; electrocoagulation; empirical model; palm oil mill effluent; POME; pollutant removal

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2021
• Tom: Vol. 22, nr 1
• Strony: 112--124
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Sailah Illah

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

• https://orcid.org/0000-0001-5021-4048

autor

Reyhanto Fathan

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

autor

Puspaningrum Tyara

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

autor

Romli Muhammad

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

autor

Suprihatin Suprihatin

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

autor

Indrasti Nastiti Siswi

• Department of Agroindustrial Technology, IPB University, Bogor, Indonesia

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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 (2021).