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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Penelitian Pendidikan IPA (JPPIPA) Vocational: Journal of Educational Technology
Chaniago, Muhammad Akbar
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Physics

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Pemanfaatan Kompilasi Bentonit dan Karbon Aktif dari Batubara untuk Menurunkan Kadar BOD dan COD pada Limbah Cair Industri Karet Naswir, Muhammad; Yasdi, Yasdi; Chaniago, Muhammad Akbar; Wibowo, Yudha Gusti
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 17, No 2 (2020): Juli 2020
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (900.552 KB) | DOI: 10.14710/presipitasi.v17i2.121-127

Abstract

Industri karet telah menghasilkan limbah cair yang berbahaya bagi lingkungan sehingga diperlukan upaya pengolahan. Penelitian ini bertujuan untuk mengetahui kemampuan kompilasi bentonit dan karbon aktif yang terbuat dari batubara sebagai adsorben untuk penjerapan parameter limbah cair industri karet. Adapun hasil uji parameter limbah karet didapatkan bahwa kadar BOD (Biochemical Oxygen Demand) 805 ppm, COD (Chemical Oxygen Demand) 1415 ppm, amonia 12,5ppm, TSS 340 ppm, pH 6,60. Proses aktivasi bentonit dilakukan dengan manggunakan HCL 0,1 M, kemudian diaduk selama 1 jam dengan kecepatan 200 rpm lalu disaring residu yang dihasilkan dipanaskan dengan suhu 110oC selama 3 jam. Proses aktivasi karbon aktif dilakukan dengan menggunakan H3PO4 0,2 M lalu direndam selama 24 jam, kemudian dicuci dengan aquades sampai pH mendekati netral, dikeringkan dalam oven pada suhu 150 oC. Waktu kontak terbaik pada kompilasi bentonit dan karbon aktif dari batubara sebanyak 0,1 gram (1:1) dengan 250 ml limbah cair industri karet adalah 60 menit dengan efisiensi penjerapan BOD 99,75% dan COD 98,72%. Kompilasi terbaik bentonit dan karbon aktif dari batubara dalam penjerapan BOD & COD terdapat pada perbandingan kompilasi (1:1) dengan efisiensi penjerapan BOD 99,75% dan COD 98,72%.
Enhancing Elementary School Students' Motivation to Learn Natural Science (IPA) through the Science, Environment, Technology, and Society (SALINGTEMAS) Learning Model Astiti, Ayu Dewi; Rashid, Salman; Murni, Yanti; Chaniago, Muhammad Akbar; Irfandi, M.
Vocational: Journal of Educational Technology Vol. 1 No. 1 (2024)
Publisher : Yayasan Pendidikan Dan Pengembangan Harapan Ananda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58740/vocational.v1i1.248

Abstract

This study aims to increase the motivation to learn Natural Science (IPA) in elementary school students through the Science, Environment, Technology, Society (SALINGTEMAS) learning model. This research was conducted at SD Negeri Sindang III, Majalengka, Indonesia, where the research method used was Classroom Action Research (CAR) with two cycles. In cycle I, meeting II, student learning motivation reached 71%, while in cycle II, meeting II, there was a significant increase to 84%. In addition, observation data of educators' learning actions showed that in cycle I, meeting II the percentage reached 44%, while in cycle II, meeting II, it increased to 78%, exceeding the desired target. Observations of student learning actions also showed an increase, from 66% in cycle I, meeting II, to 88% in cycle II, meeting II, exceeding the target set. Thus, the results of this study indicate that the application of the SALINGTEMAS learning model is effective in increasing the motivation of elementary school students to learn science.
The Impact of Problem-Based Learning on Students' Problem-Solving Skills and Learning Motivation: A Perspective on Learning Styles Chaniago, Muhammad Akbar; Arianingrum, Retno; Shiddiqi, Muhammad Habib Ash
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.11045

Abstract

Problem-solving ability and learning motivation are essential in chemistry learning, yet often overlooked in conventional instruction. This study investigates the effects of problem-based learning (PBL) versus discovery learning on students’ problem-solving ability and motivation, while also examining the influence of learning styles. Using a quasi-experimental pretest-posttest control group design, XI MIPA students at SMA Negeri 9 Bengkulu City were assigned to either a PBL or discovery learning group. Data were collected through tests, questionnaires, and learning style inventories, and analyzed using MANOVA. Results indicated no significant difference between the two models in improving problem-solving ability or motivation. However, learning styles significantly affected both outcomes, with visual, auditory, and kinesthetic learners performing differently. PBL contributed modestly to both variables (2.4% for problem-solving, 0.4% for motivation), and no interaction effect with learning styles was found. These findings highlight the need to align teaching strategies with students' learning styles to support more effective learning. The study offers practical implications for fostering adaptive instruction in chemistry classrooms and enhancing scientific literacy.
Co-Authors Astiti, Ayu Dewi Irfandi, M. Naswir, Muhammad Rashid, Salman Retno Arianingrum Shiddiqi, Muhammad Habib Ash Wibowo, Yudha Gusti Yanti Murni Yasdi Yasdi