Corresponding author: Electro-adsorption as a Hybrid Processing to Removed Oil from Synthetic Oily Solution by Using Activated Carbon and Iron Electrodes

Dwijayanti, Suci (2022) Corresponding author: Electro-adsorption as a Hybrid Processing to Removed Oil from Synthetic Oily Solution by Using Activated Carbon and Iron Electrodes. Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya.

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Abstract

Biosolar contains oil, fatty acids, emulsifiers, bactericides, and other chemicals. If the oil contents are mixed with water, it will becomehazardous waste and affect drinking water sources, endanger human health, air pollution, affect agricultural production, and damagethe natural landscape, so the oil content must be processed to reduce its hazardous content. One of the methods used in treatingoily solutions is adsorption. The adsorption method for oily solution treatment is ineffective because it requires several stages, so therequired capital is relatively larger and takes longer. Electro-adsorption is one of the methods that is being developed for treating oilysolutions. Electro-adsorption is a hybrid separation technology to break down oil emulsions in wastewater and some other organiccontent. The purpose of this study is to characterize the activated carbon and determine the effect of voltage and time on syntheticoily solution treatment in terms of COD value and oil-fat content. A synthetic oily solution is made by mixing 1 g of biosolar/B30 intothe water from the Musi River to a volume of 1 L. The application of the electro-adsorption method uses commercially activatedcarbon as an adsorbent and iron as an electrode. Variations given to the process with voltage 0, 5, 10, 15 V and time 0, 5, 10, 15,20, and 25 minutes. The characteristic of activated carbon showed a size change in the pore size from 2.58μm to 1.98μm and areduction of surface area from 740 (�180) m2/g to 730 (�120) m2/g. The electro-adsorption method was effective in treating oilysolutions. The decrease of COD reaches the maximum level at a voltage 10 V for 25 minutes, which was 75.92% from 62.33 mg/Lto 15 mg/L initially, while the concentration of oil-fat obtains the maximum level at a voltage of 5 V for 5 minutes that is equal to99.65%, initially 303.19 mg/L to 1.05 mg/L. The optimum condition of the electro-adsorption process in synthetic oily solution wasat the voltage of 5 V and a time of 5 minutes. The electro-adsorption process is an effective method to treat synthetic oily solutions

Item Type:	Other
Subjects:	#3 Repository of Lecturer Academic Credit Systems (TPAK) > Corresponding Author
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	Ms Suci Dwijayanti
Date Deposited:	05 May 2023 11:42
Last Modified:	05 May 2023 11:42
URI:	http://repository.unsri.ac.id/id/eprint/99670

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