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1 2025

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Processing milk waste as additional material in biodegradation of food waste, tofu dregs, goat manure using black soldier fly larvae composting

Apriani Mirna, Setiani Vivin, Astuti Ulvi Pri, Rahmawati Dewi Cahya, Hayati Debby Zintya

Journal of Ecological Engineering

2025

Vol. 26, nr 3

177--186

The aims of the study are to investigate compost quality (physic and chemistry) using black soldier fly (BSF) larvae composting compared with Indonesia standard (SNI) and assess whether compost quality is affected by the research variation. This study was conducted by research variations are raw material composition, addition of milk waste and vegetable waste local microorganism. The twelve reactors (larvero) have a dimension of 50 cm (length) × 40 cm (width) × 15 cm (height). This study uses mixtures of food waste added with various variable, including waste milk (WM), tofu dregs (TD), goat manure (GM) and self-made bioactivator of local organism (MoL). Total substrate of each larvero was 10 kg, added every third day and monitored ambient temperature, pH and water content. Carbon to nitrogen, phosphorus and potassium was measured in the final compos result. The result show all variable accordance with the Indonesia standard (SNI). However, the highest moisture content of 50–54% from TD added needs particular maintenance work challenging using advanced natural drying. WM treatment using BSF larvae composting with all variation research also resulting compost meet the SNI. Based on statistical analysis report, research variation that have an influence on the overall compost quality are MW and MoL addition.