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All Journal JOURNAL OF EDUCATION SCIENCE Taqdir KOVALEN: Jurnal Riset Kimia IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) JURNAL CEMERLANG: Pengabdian pada Masyarakat At-Ta'lim : Media Informasi Pendidikan Islam JURNAL AKSIOMA AL-ASAS NUSANTARA: Jurnal Pengabdian Kepada Masyarakat Jurnal Sains dan Ilmu Terapan JURNAL ILMIAH PENELITIAN MAHASISWA
Yuniar Yuniar
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Religion Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Medicine & Pharmacology Social Sciences Other

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Pengolahan Limbah Palm Oil Mill Effluent (POME) Menggunakan Katalis ZnO dengan Penambahan CU untuk Meningkatkan Kinerja Fotokatalitik Ferdika Nanda Maulana; Selastia Yuliati; Yuniar Yuniar
Jurnal Sains dan Ilmu Terapan Vol. 8 No. 2 (2025): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v8i2.1193

Abstract

Over time, the yield of oil palm had continued to increase each year, which was followed by a rise in the amount of waste produced. One of the main wastes from palm oil processing was liquid waste, commonly known as Palm Oil Mill Effluent (POME). This study aimed to obtain a ZnO/Cu catalyst and to determine the optimal catalyst weight and irradiation time to reduce COD, TSS, and pH values. The ZnO/Cu catalyst was synthesized using the co-precipitation method and was applied through a photocatalytic process, which utilized catalysts and ultraviolet (UV) light. The catalyst was applied to POME with ZnO weight variations of 100 mg, 150 mg, and 200 mg, and UV irradiation times of 30, 60, 90, 120, and 150 minutes. The best result was obtained at a catalyst weight of 200 mg and an irradiation time of 150 minutes, resulting in COD of 216 mg/L, TSS of 20.00 mg/L, and pH of 7.39, which met the wastewater quality standards.
Analisis Sikap Intoleran Dikalangan Peserta Didik Di SMP Negeri 4 Lalan Siti Nurinayah; Yuniar Yuniar; Ibnu Rozali
JURNAL ILMIAH PENELITIAN MAHASISWA Vol 3 No 6 (2025): Desember
Publisher : Kampus Akademik Publiser

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jipm.v3i6.1588

Abstract

This study aims to analyze intolerant attitudes among students at SMP Negeri 4 Lalan, as well as identify the causal factors and solutions to overcome them. The main problem found is the persistence of intolerant behavior such as judging each other, a lack of mutual assistance, and teasing among peers. This study used a qualitative method with a descriptive approach. Data collection techniques were carried out through observation, interviews, and documentation with informants consisting of homeroom teachers, PPKn teachers, and student representatives. The results of the study indicate that intolerant attitudes arise due to internal factors, such as students' limited understanding of diversity, as well as external factors, such as the influence of the family environment, peers, and social media. These attitudes negatively impact the learning climate and character development of students. Solutions offered include instilling an attitude of tolerance from an early age and implementing cooperative learning in the classroom. Both approaches are considered effective in building empathy, mutual respect, and an inclusive school environment. Thus, education plays a crucial role in preventing the growth of intolerant attitudes and shaping a generation that values differences
Co-Authors ., Mardalena Ade Riani Andrean Maulana Endang Tri Wahyuni Ferdika Nanda Maulana Hidayat Hidayat Ibnu Rozali Ibrahim Ibrahim Indah Wigati Intan Rahmatillah KMS. Badaruddin M. Sirozi Mappiratu Mappiratu Nini Afriana Nurhaeni Nurhaeni Nurul Hidayat Aprilita Riza Muliana Robiatul Adawiyah Selastia Yuliati Sely Putri Sinka Afmitiani Siti Nurinayah Supardi Supardi Yoanita Yuniati