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All Journal Jurnal Pendidikan UNIGA Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS)
Nur Khairani
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Chemistry Education Engineering Environmental Science Mathematics Physics Social Sciences Other

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Preparation of Bioethanol from Pineapple Peel (ananas comosus L. Mer) Waste with the Addition of Hydrochloric Acid and Citric Acid Catalysts Nur Khairani; Rizka Mulyawan; Meriatna; Agam Muarif; Syamsul Bahri; Iqbal Kamar
Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MICoMS) Vol. 4 (2024): Proceedings of Malikussaleh International Conference on Multidisciplinary Studies (MI
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/micoms.v4i.948

Abstract

Bioethanol is ethanol derived from biological sources. Bioethanol can be produced from plants that contain many starch and cellulose compounds using the help of yeast activity. One of them is pineapple peel which can add a variety of basic materials for bioethanol production which is economical and easy to obtain. This study aims to analyze the effect of acid hydrolysis on glucose content, analyze the effect of fermentation time and the effect of yeast weight on bioethanol characteristics. This research has been done before and only focused on one catalyst. What has never been done is comparing the two catalysts. The research was conducted using hydrolysis fermentation and distillation using hydrochloric acid and citric acid catalysts with yeast weight variation of 12, 15, and 17 grams, fermentation time variation of 2, 3, 4, and 5 days. In this research, glucose test, density analysis, yield analysis, and GC-MS were conducted. The results of this study showed that the best results in the treatment of hydrochloric acid catalyst at a yeast weight of 15 grams, and obtained glucose levels of 6.90% for hydrochloric acid and 5.10% for citric acid, density test obtained the highest results at a yeast weight of 15 grams 4 days 0.8288 gr / ml for hydrochloric acid catalyst and the lowest density obtained at a yeast weight of 17 grams 5 days 0, 8168 gr/ml, yield analysis obtained at the amount of 15 grams of yeast with a fermentation time of 14 days of 4.3536% in the treatment of hydrochloric acid catalyst and 3.8557% in the treatment of citric acid catalyst fermentation time of 3 days, GC-MS test showed that ethanol contained in the test sample.
Humanizing Technology : Rekonstruksi Pendidikan Akhlak di Tengah Hegemoni Algoritma Era Society 5.0 Nur Khairani; Tiana Atika; Herlini Puspika Sari
Jurnal Pendidikan UNIGA Vol 20 No 1 (2026): Jurnal Pendidikan UNIGA
Publisher : Fakultas Pendidikan Islam dan Keguruan Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jpu.v20i1.43596

Abstract

This research is motivated by the phenomenon of algorithmic hegemony in the Society 5.0 era, which has the potential to erode human values and the moral integrity of students. The aim of this research is to formulate a reconstruction of moral education as an effort toward "humanizing technology" so that digital progress remains based on noble character. The research method used is qualitative with the type of library research, where data is analyzed descriptively and analytically through classic and contemporary literary sources. The research results show that the reconstruction of moral education can be achieved through the internalization of inner virtue values and the strengthening of four main character pillars: wisdom, courage, self-control, and justice. The research findings emphasize that moral education in the Society 5.0 era must transform from a mere transfer of knowledge into a process of digital ethics habituation capable of forming moral immunity against algorithmic manipulation. Thus, technology is positioned as an instrument supporting the common good, while humans maintain full control as wise moral subjects in cyber interactions. Keywords: Moral Education, Society 5.0, Humanizing Technology, Algorithmic Hegemony.
Co-Authors Agam Muarif Herlini Puspika Sari Iqbal Kamar Meriatna Meriatna Rizka Mulyawan Syamsul Bahri Tiana Atika