Fediyani, Hanif Faizah Eka (2026) PENERAPAN MATERIAL FLOW ANALYSIS (MFA) PADA SISTEM BIOVALORISASI LIMBAH PADAT KECAP DAN TAHU MENJADI SAUS NABATI DENGAN PENGENTAL KULIT PISANG. Diploma thesis, UPN Veteran Jawa Timur.
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Abstract
The massive volume of agroindustrial solid waste from soy sauce (59.7%) and tofu (35.5%) production has the potential to pollute the environment if it ends up in water bodies. However, the high nutrient content opens up opportunities for biovalorization into value-added products. Soy sauce solid waste has a protein content of 16.31%, and tofu solid waste has a protein content of 4.78%. This study aims to produce a plant-based sauce from soy sauce and tofu residues by adding banana peel pectin as a thickener, while simultaneously calculating the waste reduction rate using Material Flow Analysis (MFA) with STAN 2.7.101 software. The method used was solid-state fermentation (SSF) for 72 hours using Aspergillus oryzae and Aspergillus sojae. The sauce characteristics were evaluated through pH, protein content, and organoleptic testing using a scoring method (1–5) to determine the best treatment. From the MFA mapping, it was proven that the biovalorization process of soy sauce residue-based sauce was able to reduce solid waste by up to 41.71%, which is more efficient compared to tofu residue, which only reduced waste by 28.46%. This confirms the feasibility of implementing a zero-waste approach in a sustainable agro-industrial system. Keywords: Biovalorization, Material Flow Analysis, Waste Reduction, Aspergillus, Solid Waste.
| Item Type: | Thesis (Diploma) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Hanif Faizah Eka Fediyani | ||||||||
| Date Deposited: | 21 Jul 2026 04:25 | ||||||||
| Last Modified: | 21 Jul 2026 07:21 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/56709 |
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