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Mochammad Chaerul
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Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Studi Biodegradabilitas Plastik Ramah Lingkungan oleh Larva Tenebrio molitor dan Bioaktivator EM4 Fika Nur Amaliah; Mochammad Chaerul
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The amount of plastic waste continues to increase with population growth. Decomposition of plastic waste takes tens to hundreds of years. The use of conventional plastics, especially plastic bags that are commonly used by the public, continues to increase, which has a negative impact on the environment. Handling plastic waste using biological methods is an easier, cheaper, and safer solution for the environment. In the degradation process, microorganisms play an important role as decomposers of waste using enzymes in their bodies. However, recent research has revealed that macroorganisms, particularly insects, can accelerate biodegradation. This study examines the biodegradability of environmentally friendly plastics by summarizing scenarios from recent research on plastic biodegradation by macroorganisms and microorganisms. Macroorganisms that have been widely studied for plastic degradation include Tenebrio molitor larvae (T. molitor) and microorganisms derived from EM4 bioactivators. In addition, this study also summarizes the review of the mechanisms, parameters, approaches to biodegradation outcome variables, comparison of the effectiveness of biodegradators using rate biodegradation modeling, and biodegradation reactors, as well as product parameters that are considered so that are considered safe for the environment
Dampak Lingkungan dari Teknologi Pengolahan Sampah Menjadi Energi di Indonesia: Perspektif Life Cycle Assessment Amelinda Dhiya Farhah; Mochammad Chaerul; Haryo Satriyo Tomo
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The principle of reduce, reuse, recycle (3R) serves as the main reference in waste management, but further efforts are needed to handle non-recyclable materials. Based on the waste management hierarchy, the next step is energy recovery through waste-to-energy (WtE). WtE technology can generate renewable energy as a substitute for fossil fuels while reducing waste disposal in landfills. Various WtE technology options are available, depending on the heterogeneous characteristics of waste. According to the Ministry of Public Works and Housing, waste treatment technologies in Indonesia include physical, biological-chemical, and thermal processes. Although WtE offers benefits, its potential impacts must also be considered. This study reviews trends in Indonesia regarding the use of the life cycle assessment (LCA) method as a tool for evaluating different WtE technologies from an environmental perspective. The review covers the analyzed functional units, selection of impact categories, supporting software, and the application of sensitivity analysis and data uncertainty. The findings from LCA applications can assist policymakers in designing sustainable WtE management strategies.
Co-Authors Amelinda Dhiya Farhah Fika Nur Amaliah Haryo Satriyo Tomo