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Medical Waste Management Innovation Based on Thermal and Chemical Degradation of Polymers Ilyu 'Ainun Najie'; Muhammad Dary Adhidrawa Margolang; Muhammad Diaz Supandi; Keysa Najmi Tsaqib; Niken Sylvia Puspitasari
Jurnal Ners Vol. 10 No. 1 (2026): JANUARI 2026
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jn.v10i1.50135

Abstract

The massive growth of healthcare services, particularly post-COVID-19, has significantly increased volumes of hazardous polymer-based and infectious medical waste. Conventional methods like open incineration pose environmental and health risks due to toxic emissions and incomplete sterilization, highlighting an urgent need for safer, efficient, and sustainable management innovations. This study analyzes the effectiveness of thermal (pyrolysis, gasification) and chemical (depolymerization, Advanced Oxidation Processes/AOPs) degradation technologies through qualitative library research. Data from credible sources (indexed journals, WHO/UNEP reports, government policies; 2018–2025) were descriptively-critically and comparatively analyzed. Results demonstrate that controlled thermal degradation reduces waste volume by 90%, neutralizes pathogens at 400–800°C, and converts waste into valuable products (syngas, bio-oil), while chemical approaches (catalysts, AOPs) decompose polymers at the molecular level and neutralize heavy metals/organic contaminants without dioxin emissions. Integrating both technologies via capacity-based regional clustering and blended finance schemes proved technically-economically feasible. Contributions include: (1) Policy recommendations for the Ministry of Health/Environment to standardize green technologies; (2) Technology-as-a-Service business models for healthcare facilities; (3) Collaborative implementation frameworks (government-private-academia) supporting SDGs and Indonesia’s 2045 Golden Vision through pollution prevention, circular economy, and improved public health outcomes
THE IMPACT OF QIRĀ’ĀT VARIATIONS ON THE VERSE: WA-ĀYATUN LAHUMU AL-LAYLU NASLAKHU MINHU AN-NAHĀRA (YĀ SĪN: 37) AND ITS REFLECTIONS IN SCIENTIFIC EXEGESIS: Muhammad Diaz Supandi; Alfan Arif Rabbani; Muhammad Bili Syaputra; Aqdi Rofiq Asnawi; Ahmad Fadhilul
Al-Majaalis : Jurnal Dirasat Islamiyah Vol 13 No 1 (2025): AL-MAJAALIS : JURNAL DIRASAT ISLAMIYAH
Publisher : Sekolah Tinggi Dirasat Islamiyah Imam Syafi'i Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37397/al-majaalis.v13i1.1120

Abstract

This research arises from a lack of in-depth research on the role of qirā'āt variations in enriching the scientific interpretation (tafsīr 'ilmī) of the Qur'an, particularly in cosmological verses. One example is the statement of Allah Wa āyatun lahumu al-laylu naslakhu minhu an-nahār (Yā-sīn: 37), which has three main qirā'āt: naslakhu (qirā'ah al-jumhūr), yuslakhu (qirā'ah Ibn 'Āmir), and taslakhu (qirā'ah Abī Ja'far). This study aims to reveal the semantic and bayānī meanings of these variations of reading and relate them to modern scientific phenomena regarding the day-night cycle. The research method used is qualitative, based on library research, with textual-comparative analysis of classical qirā'āt texts, traditional tafsīr works, and contemporary scientific interpretive literature. The findings show that the variety of readings provides complementary layers of meaning: naslakhu emphasizes the direct role of Allah as the regulator of cosmic phenomena; Yuslakhu highlights the firmness and orderliness of natural law; While Taslakhu offers dynamic visual illustrations that depict the night actively covering the day. The contribution of this research shows that the science of qirā'āt not only preserves textual authenticity but also expands the horizons of scientific interpretation by presenting an integrated theological, linguistic, and scientific perspective.