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All Journal Industrial and Domestic Waste Management
Wilda Trisari
Department of Environmental Engineering, Faculty of Engineering, Universitas PGRI Adi Buana Surabaya, Surabaya 60234, Indonesia
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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Effect of Papaya and Shrimp Waste Bioactivators on Household Organis Waste Composting Wilda Trisari; Indah Nurhayati; Sugito
Industrial and Domestic Waste Management Volume 6 - Issue 2 - 2026
Publisher : Tecno Scientifica Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53623/idwm.v6i2.1145

Abstract

This study aims to evaluate the effect of papaya bioactivator (Carica papaya) and shrimp waste bioactivator on the composting process of household organic waste, as well as changes in the levels of carbon (C), nitrogen (N), phosphorus (P), potassium (K), and the C/N ratio. The study was conducted on a laboratory scale with three treatments: R1 (papaya bioactivator), R2 (shrimp waste bioactivator), and R3 (without bioactivator). The parameters observed included pH, temperature, humidity, and color on a daily basis, as well as changes in C, N, C/N ratio, P, and K levels at the beginning and end of the composting process. The results showed that the C/N ratio decreased in all treatments, while the levels of N, P, and K increased. The shrimp waste bioactivator (R2) produced the fastest composting process in 12 days and yielded the best compost quality, with the lowest C/N ratio and the highest increases in N, P, and K levels. Conversely, the treatment without bioactivator showed a slower process, with a final C/N ratio of 33.54, indicating that the compost was not yet mature. Shrimp waste bioactivators have the potential to improve the quality and efficiency of the composting process.
Co-Authors Indah Nurhayati Sugito