SALSA BIGITA, ADORA and DAMAYANTI, ALVINA and TYAS DWI NUGROHO, APRIANTO (2025) OPTIMIZING ORGANIC WASTE TREATMENT THROUGH ENVIRONMENTAL IMPACT ASSESSMENT IN GROBOGAN REGENCY. Undergraduate thesis, Universitas Diponegoro.

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Abstract

ABSTRACT
Grobogan Regency is one of the regions with the highest municipal solid waste generation in Central Java, producing approximately 315,050.32 tons in 2022.
However, the existing waste management system remains suboptimal, as indicated by the low transportation rate (only 40% in 2020) and limited infrastructure for Temporary Disposal Sites and Integrated Waste Processing Facilities. The waste primarily originates from organic sources, including households and traditional markets, which, if not properly managed, may lead to environmental issues such as soil and water contamination, foul odors, and greenhouse gas emissions. This study aims to identify sustainable organic waste treatment technologies through an integrative approach using Material Flow Analysis (MFA), Life Cycle Assessment (LCA), and single-score evaluation. The MFA and LCA methods enable comprehensive analysis of organic waste processing technologies and facilitate the inventory of environmental impacts generated at each stage. This research contributes novelty by integrating MFA and LCA to assess both environmental impacts and eco-costs, further analyzed through technical performance using the Simple Additive Weight (SAW) method. The study is expected to provide strategic
recommendations and identify the most environmentally and economically efficient waste technologies that applicable in Grobogan Regency.
Keywords: Organic Waste Treatment, Material Flow Analysis, Life Cycle Assessment, Single Score, Simple Additive Weight.

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