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All Journal Journal of Degraded and Mining Lands Management ALACRITY : Journal Of Education al Kimiya : Jurnal Ilmu Kimia dan Terapan
Naswir, M.
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Other

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PREPARATION OF ACTIVATED CARBON FROM PALM SHELL BY CHEMICAL ACTIVATION WITH KOH AS AN ADSORBENT DYE Lestari, Intan -; Apriansyah, Rendi; Gusti, Diah Riski; Naswir, M.; Permana, Edwin
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 2 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i2.40978

Abstract

Activated carbon is a well known as porous material, with large specific surface area, which is useful in adsorption of both gases and solutes from aqueous solution. In this research, prepraration of activated carbon was through chemical activation of palm shells using KOH as an activator. Preparation of carbon from palm shell were the first carbonized in a furnace at temperature of 400 - 500 °C. Carbon is soaked in KOH activator solution for 8 hours and then carbonized at a temperature of 600 - 800 °C. The activated carbon obtained was characterized by XRD, SEM and FTIR. Characterization using SEM shows that activated carbon has pores and using FTIR shows the presence of several functional groups such as hydroxyl (-OH), carboxyl (-COOH), carbonyl (-C=O) that can be used for adsorption. Adsorption studies were carried out using batch experiments with synthetic naphthol and remazole dye solutions. The adsorption study was carried out in batch, based on isotherm assumptions and following Langmuir isotherm model. These results indicate that palm shell activated carbon has the potential used as an adsorbent for removing naphthol and remazole dyes from the solution.
PREPARATION OF ACTIVATED CARBON FROM PALM SHELL BY CHEMICAL ACTIVATION WITH KOH AS AN ADSORBENT DYE Lestari, Intan -; Apriansyah, Rendi; Gusti, Diah Riski; Naswir, M.; Permana, Edwin
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol. 11 No. 2 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i2.40978

Abstract

Activated carbon is a well known as porous material, with large specific surface area, which is useful in adsorption of both gases and solutes from aqueous solution. In this research, prepraration of activated carbon was through chemical activation of palm shells using KOH as an activator. Preparation of carbon from palm shell were the first carbonized in a furnace at temperature of 400 - 500 °C. Carbon is soaked in KOH activator solution for 8 hours and then carbonized at a temperature of 600 - 800 °C. The activated carbon obtained was characterized by XRD, SEM and FTIR. Characterization using SEM shows that activated carbon has pores and using FTIR shows the presence of several functional groups such as hydroxyl (-OH), carboxyl (-COOH), carbonyl (-C=O) that can be used for adsorption. Adsorption studies were carried out using batch experiments with synthetic naphthol and remazole dye solutions. The adsorption study was carried out in batch, based on isotherm assumptions and following Langmuir isotherm model. These results indicate that palm shell activated carbon has the potential used as an adsorbent for removing naphthol and remazole dyes from the solution.
Application of bentonite-chitosan nanocomposites for the adsorptive removal of iron and natural organic matter in peat water Permana, Edwin; Naswir, M.; Wijaya, Dhian Eka; Hidayat, Ali Nurdin; Nurjamil, Dimas Setya; Prayogi, Andrian Setyarestu
Journal of Degraded and Mining Lands Management Vol. 12 No. 4 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.124.8107

Abstract

Peat water, commonly found in peatland regions, often poses a challenge as a water source due to its high content of iron and natural organic matter (NOM). This research investigated the development and application of bentonite–chitosan nanocomposites as an effective adsorbent for reducing iron metal and NOM concentrations in peat water. Chitosan was synthesized from tilapia fish scales through demineralization, deproteinization, and deacetylation processes, then characterized for moisture content (7.4%), ash content (5.4%), and functional groups using FTIR spectroscopy. Bentonite was thermally and chemically activated with sulfuric acid to increase its adsorption capacity. Nanocomposites were prepared with varied bentonite-to-chitosan ratios (90:10, 70:30, 50:50) using sodium tripolyphosphate (STPP) as a crosslinker. FTIR and XRD analyses confirmed the formation of nanocomposites and revealed structural changes post-adsorption, including reduced crystallinity and increased particle size. Adsorption studies showed that the 90%Bt-10%Ch3 formulation achieved the highest iron removal efficiency (68.6%) with an adsorption capacity of 0.084 mg/g. Meanwhile, the 50%Bt-50%Ch3 formulation demonstrated the highest NOM removal efficiency (36.8%) with a capacity of 36.80 mg/g. The results indicate that bentonite is more effective for iron adsorption, while chitosan plays a key role in removing NOM due to its amine and hydroxyl functional groups. This study highlights the potential of utilizing fishery waste and natural minerals to produce low-cost, eco-friendly nanocomposites for improving water quality in peatland environments.
Pengembangan Modul Elektronik Interaktif Dengan Web Sway pada Materi Larutan Penyangga untuk Meningkatkan Motivasi Belajar Siswa SMA Irmawati, Dian; Naswir, M.; Yusnidar, Yusnidar
ALACRITY : Journal of Education Volume 5 Nomor 2 Juni 2025 | IN PRESS
Publisher : LPPPI Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52121/alacrity.v5i2.745

Abstract

Perkembangan teknologi yang pesat pada saat ini menjadi tantangan tersendiri bagi dunia pendidikan. Tenaga pendidik maupun peserta didik dituntut cakap dalam memanfaatkan teknologi dan efektif dalam penggunaannya, jika kecakapan tersebut tidak dimiliki maka akan berdampak kepada ketidakmaksimalan proses pembelajaran yang berlangsung. Dengan adanya pengembangan bahan ajar, siswa dapat lebih mudah memahami materi yang diajarkan dan guru menjadi lebih inovatif dalam mengajar.  Penelitian ini bertujuan untuk mengetahui kelayakan secara konseptual dan prosedural, serta efektivitas e-modul interaktif dengan web sway pada materi larutan penyangga untuk meningkatkan motivasi belajar siswa SMA. Prosedur pengembangan mengikuti langkah dari model pengembangan Lee & Owens yang terdiri dari lima tahap yaitu: Analisis, Desain, Pengembangan, Implementasi, dan evaluasi. Hasil penelitian yaitu dari validasi ahli materi sangat layak dengan skor 4,27 dan hasil validasi ahli media sangat layak dengan skor 4,53. Hasil penilaian guru sangat layak dengan skor 4,67. Hasil respon siswa sangat layak dengan persentase 95,24%, 89,14% dan 85,14%. Hasil motivasi belajar meningkat menjadi 73,67% yang artinya siswa termotivasi. Dan hasil belajar meningkat dengan rata-rata N-Gain 0,87. Berdasarkan hasil penelitian dapat disimpulkan bahwa e-modul interaktif dengan web sway layak secara konseptual dan prosedural serta dapat meningkatkan motivasi dan hasil belajar siswa.
Pengembangan Modul Elektronik Interaktif Dengan Web Sway pada Materi Larutan Penyangga untuk Meningkatkan Motivasi Belajar Siswa SMA Irmawati, Dian; Naswir, M.; Yusnidar, Yusnidar
ALACRITY : Journal of Education Volume 5 Nomor 2 Juni 2025
Publisher : LPPPI Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52121/alacrity.v5i2.745

Abstract

Perkembangan teknologi yang pesat pada saat ini menjadi tantangan tersendiri bagi dunia pendidikan. Tenaga pendidik maupun peserta didik dituntut cakap dalam memanfaatkan teknologi dan efektif dalam penggunaannya, jika kecakapan tersebut tidak dimiliki maka akan berdampak kepada ketidakmaksimalan proses pembelajaran yang berlangsung. Dengan adanya pengembangan bahan ajar, siswa dapat lebih mudah memahami materi yang diajarkan dan guru menjadi lebih inovatif dalam mengajar.  Penelitian ini bertujuan untuk mengetahui kelayakan secara konseptual dan prosedural, serta efektivitas e-modul interaktif dengan web sway pada materi larutan penyangga untuk meningkatkan motivasi belajar siswa SMA. Prosedur pengembangan mengikuti langkah dari model pengembangan Lee & Owens yang terdiri dari lima tahap yaitu: Analisis, Desain, Pengembangan, Implementasi, dan evaluasi. Hasil penelitian yaitu dari validasi ahli materi sangat layak dengan skor 4,27 dan hasil validasi ahli media sangat layak dengan skor 4,53. Hasil penilaian guru sangat layak dengan skor 4,67. Hasil respon siswa sangat layak dengan persentase 95,24%, 89,14% dan 85,14%. Hasil motivasi belajar meningkat menjadi 73,67% yang artinya siswa termotivasi. Dan hasil belajar meningkat dengan rata-rata N-Gain 0,87. Berdasarkan hasil penelitian dapat disimpulkan bahwa e-modul interaktif dengan web sway layak secara konseptual dan prosedural serta dapat meningkatkan motivasi dan hasil belajar siswa.
Co-Authors apriansyah, rendi Dhian Eka Wijaya Diah Riski Gusti Edwin Permana Hidayat, Ali Nurdin Irmawati, Dian Lestari, Intan - Nurjamil, Dimas Setya Prayogi, Andrian Setyarestu Yusnidar Yusnidar