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All Journal Guru Membangun Jurnal Biologi Tropis Jurnal Mandala Pengabdian Masyarakat TRANSFORMASI : JURNAL PENGABDIAN PADA MASYARAKAT Jurnal Keperawatan dan Kesehatan (JKK) Jurnal Media Analis Kesehatan
Jagad, Nur Jati
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Other

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Journal : Guru Membangun

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EFEKTIVITAS Bacillus cereus DALAM KONVERSI LIMBAH PADAT KELAPA SAWIT MENJADI BIOETANOL SEBAGAI MATERI PEMBELAJARAN BIOTEKNOLOGI SMA KELAS XII Jagad, Nur Jati
Guru Membangun Vol 43, No 2 (2024): Volume 43 Number 2, Desember 2024
Publisher : Ikatan Keluarga Alumni FKIP Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/gm.v43i2.90489

Abstract

The increase in world population and human activities are driving an increase in fossil energy consumption. This has an impact on the depletion of fossil energy reserves and exacerbates global warming. As an alternative, the use of palm oil waste to produce bioethanol can be an environmentally friendly solution. The purpose of this study was to determine the effect of adding Bacillus cereus bacteria concentration in the fermentation of palm oil solid waste on bioethanol levels, to determine the concentration of Bacillus cereus bacteria that can produce the highest bioethanol, to determine the potential of research results as learning materials for high school grade XII. This study is an experimental study with independent variables, namely the concentration of Bacillus cereus bacteria 0%, 5%, 7.5%, and 10% of 500 mL of substrate volume, while the dependent variables are the levels of reducing sugar and bioethanol levels. Reducing sugar is measured using the Nelson Somogy method while Bioethanol uses the micro conway diffusion method. Analysis of the potential of learning materials from the research results uses the principles of relevance, consistency, and adequacy. The results showed that the concentration of Bacillus cereus bacteria affected the levels of bioethanol from palm oil solid waste. The treatment of 5% concentration of Bacillus cereus bacteria produced the highest levels of reducing sugar and bioethanol. The resulting reduced sugar content was 0.0086% and the resulting bioethanol content  was 0.275%. The research results fulfill the principles of learning materials so that they have the potential to be used as biotechnology learning materials for class XII students
Co-Authors Baihaqi, Muh. Fiqri Fahira, Annisa Nasywa Fitriagustiani, Fitriagustiani Galih, Galih Dwiki Ramanda Hasria Alang Khairillah, Yuyun Nisaul Kharillah, Yuyun Nisaul Khoirillah, Fanni Nabila, Faika Ningsih, Dwi Febriani Novita, Ninda Nuruniyah, Nuruniyah Pratama, Kharisma Ramanda, Galih Dwiki Suriadi Jais Syahputra, Angga Prima Utami, Anggraini Putri