Aji, Pratama Restu (2026) EFEKTIVITAS MEDIA BIOCHAR BONGGOL JAGUNG DALAM REAKTOR MBBR UNTUK PENGOLAHAN LIMBAH INDUSTRI KECAP. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The soy sauce industry generates wastewater with a high concentration of organic compounds, which can significantly increase Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) levels and potentially pollute aquatic environments if not properly treated. One of the commonly applied wastewater treatment technologies is the Moving Bed Biofilm Reactor (MBBR) using conventional Kaldnes media. However, this synthetic-based media is considered less environmentally friendly, thus requiring a more sustainable alternative. Corn cob biochar, produced through the pyrolysis of agricultural waste, possesses high porosity and large surface area, enabling it to support microbial growth and exhibit adsorptive properties toward organic compounds. The study was conducted using an anoxic–oxic MBBR system with a comparison between Kaldnes K3 media and corn cob biochar, HRT variations of 8, 12, and 24 hours, and media filling ratios of 20% (1 L) and 30% (1.5 L). The parameters analyzed included COD, BOD, Total Suspended Solids (TSS), Total Dissolved Solids (TDS), and Total Nitrogen (TN). The results showed that corn cob biochar media exhibited superior performance compared to Kaldnes K3 media. Under optimal conditions using biochar media with a volume of 1.5 L and an HRT of 24 hours, COD and BOD concentrations were reduced to 146.67 mg/L and 115.87 mg/L, respectively, which were significantly lower than those achieved using Kaldnes K3 media under similar conditions, with COD and BOD values of 293.33 mg/L and 231.73 mg/L. Furthermore, biochar media demonstrated higher TN removal efficiency, achieving a minimum concentration of 11.2 mg/L, as well as better stability in TSS and TDS removal. Overall, corn cob biochar shows strong potential as an effective, sustainable, and environmentally friendly alternative MBBR media for the treatment of soy sauce industrial wastewater..
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Pratama Restu Aji | ||||||||
| Date Deposited: | 24 Feb 2026 06:22 | ||||||||
| Last Modified: | 24 Feb 2026 06:22 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/49708 |
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