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All Journal Jurnal Pendidikan IPA Indonesia Indonesian Journal of Chemistry and Environment
Hidayah, I.
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science

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Synthesis and Characterization of Montmorillonite Membrane for Nickel and Zink Metals Filtration in Electroplating Liquid Waste Hidayah, I.
Indonesian Journal of Chemistry and Environment Vol 3, No 1 (2020): JUNE 2020
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijce.v3i1.40818

Abstract

The application of ceramic membrane technology has been applied in water treatment. The montmorillonite used was analyzed by XRD and showed typical montmorillonite peaks at 2θ 7.49o, 28.07o, 35.75 o, 40.73o, 49.14o dan 67.03o. Montmorillonite membrane was made by the process of dry pressing.PVA in montmorillonite is expected to function as a binder agent. The result variation on PVA composition 0%, 1%. 2%, 3% and 4%, show the flux value that increased with the adition of PVA composition. The montmorillonite membrane with a 4% PVA composition a result greatest flux and porosity values compared to other compositions. The resulting flux value is 1596.5679 L/m2.h and porosity 20.9477%. SEM-EDXtest result showed montmorillonite membrane is a porous membrane that is spread and evenly distributed but the resulting pore is not uniform. Montmorillonite membrane rejection of nickel metal was 55.5352% dan zink metal was 37.8614% with a 40-minute filtration process.
Child-Friendly School and Its Relationship with the Merdeka Curriculum in Forming the Students' Character through Science Learning Rusilowati, A.; Hidayah, I.; Nugrahani, R.; Abidin, Z.; Hutagalung, F. D.; Sofchah, T.; Ariyanti, S. W.
Jurnal Pendidikan IPA Indonesia Vol 13, No 1 (2024): March 2024
Publisher : Program Studi Pendidikan IPA Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpii.v13i1.44482

Abstract

The Merdeka Curriculum demands student competence and character formation through the Pancasila Student Profile (called P3). Through science learning, P3 indicators can be achieved. This study aims to (1) analyze Child-friendly School (CFS) implementation in SHS-X, (2) analyze SHS-X students' characters, and (3) identify teachers' attitudes during learning in SHS-X. This research uses a qualitative approach. The sample was obtained using purposive sampling from a child-friendly school implementing a Merdeka curriculum. The data validity was tested by triangulation. Data was explored based on participants' said, felt, and done or an emic perspective. Science learning activities inside and outside the classroom were observed. The subjects were principals, teachers, alumni, parents, and students at SHS-X. Data was collected through observation, interviews, analyzing documents, and giving questionnaires. Data analysis used the Miles and Huberman model. Based on the research and discussion results, implementing the child-friendly school policy at SHS-X has met the indicators set out in the Child-Friendly School Guidelines. The characters formed in SHS-X students include (1) nationalism, (2) religion, (3) leadership, (4) politeness, (5) honesty, (6) cooperation, and (7) anti-corruption. Another thing that makes SHS-X superior is that the teachers’ attitudes during learning are friendly, humane, and fun. With the two-way discussion method, learning becomes more interactive. With teachers teaching humanely, many students experience changes in behavior and learning outcomes. It is hoped that SHS-X's best practices in implementing CFS can inspire other schools.
Co-Authors A. Rusilowati Ariyanti, S. W. Hutagalung, F. D. Nugrahani, R. Sofchah, T. Z. Abidin