EFEKTIVITAS PENGOLAHAN AIR LIMBAH INDUSTRI KECAP MENJADI AIR BERSIH MENGGUNAKAN SEQUENCING BATCH REAKTOR (SBR), ADSORPSI, DAN OKSIDASI

Taqwim, Mochammad Rifki Fiakhsani (2025) EFEKTIVITAS PENGOLAHAN AIR LIMBAH INDUSTRI KECAP MENJADI AIR BERSIH MENGGUNAKAN SEQUENCING BATCH REAKTOR (SBR), ADSORPSI, DAN OKSIDASI. Undergraduate thesis, UPN "Veteran" Jawa Timur.

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Abstract

The soy sauce industry produces liquid waste with high organic content, dark color, and hazardous chemical compounds that can pollute the environment if disposed of without adequate treatment. This study aims to evaluate the effectiveness of a combination of biological processes using a Sequencing Batch Reactor (SBR) as a pretreatment with further treatment through oxidation using hydrogen peroxide and an adsorption process using activated carbon from crab shells. The method used involves variations in the Hydraulic Retention Time (HRT) in the SBR unit (24, 36, and 48 hours), variations in the dosage of hydrogen peroxide (0.25; 0.5; and 1 mL/L), and variations in the type of adsorbent (commercial PAC and natural activated carbon from crab shells). The results showed that SBR with an HRT of 48 hours provided the highest removal efficiency for COD (83.3%), TSS (78.5%), TDS (70.1%), and TN (73%), with the results of the One Way ANOVA test showing a significant effect (p < 0.05). The use of hydrogen peroxide at a dose of 1 mL/L was able to reduce COD by 70.3% and TN by 70%, while adsorption with activated carbon from crab shells showed the highest efficiency with COD removal reaching 87.3%, TSS 96.4%, TDS 85.6%, and TN 90%. Based on ANOVA statistical analysis, all treatments showed a significant effect on reducing pollutant parameters. Compared to the oxidation process, the adsorption method proved more effective in reducing pollutant loads, however, both methods were not fully able to reduce COD according to clean water quality standards based on PP No. 22 of 2021. Therefore, further optimization of the biological process in the SBR unit is needed as well as additional parameter testing to ensure the effluent quality meets the standards for clean water. This system combination has the potential to be an alternative solution for processing liquid waste from the soy sauce industry efficiently and environmentally friendly. Keywords : Soy Sauce Industrial Wastewater, Sequencing Batch Reactor (SBR), Hydrogen Peroxide, Adsorption

Item Type:	Thesis (Undergraduate)
Contributors:	Contribution Contributors NIDN/NIDK Email UNSPECIFIED Hendrasarie, Novirina NIDN0726116801 novirina@upnjatim.ac.id
Subjects:	T Technology > TD Environmental technology. Sanitary engineering
Divisions:	Faculty of Engineering > Departement of Environmental Engineering
Depositing User:	MAHASISWA Mochammad Rifki Fiakhsani
Date Deposited:	12 Sep 2025 03:37
Last Modified:	12 Sep 2025 03:37
URI:	https://repository.upnjatim.ac.id/id/eprint/42999

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