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All Journal Techno: Jurnal Penelitian JURNAL PengaMAS Walisongo Journal of Chemistry Jurnal Pendidikan Kimia Unkhair (JPKU) Analit: Analytical And Environmental Chemistry
Baturante, Nur Jannah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Education Energy Environmental Science Mathematics Social Sciences Other

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ADSORPTION KINETICS OF METHYL ORANGE ON SILICA DERIVED FROM GAMALAMA VOLCANIC SOIL Cipta, Indra; Baturante, Nur Jannah; Hernawan, Hernawan; Rombe, Yunita Pare; Mahmudha, Siti
Walisongo Journal of Chemistry Vol. 8 No. 1 (2025): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjc.v8i1.26066

Abstract

Silica gel was successfully synthesized from Gamalama volcanic soil using the sol-gel method and applied as an adsorbent to remove methyl orange (MO) dye. The synthesis process involved treating 20 grams of volcanic soil with 2 M HCl under stirring for 3 hours, followed by a 12-hour soaking period. The solid residue was subsequently filtered, dried, and reacted with 7 M NaOH for 2 hours. The resulting filtrate was neutralized through repeated washing with distilled water, and silica gel formation was achieved by titration with 2 M HCl until a final pH of approximately 3–4 was reached. The synthesized silica was evaluated for its adsorption performance against methyl orange, with optimal conditions identified at pH 4, a contact time of 5 hours, and an adsorbent dosage of 30 mg. UV-Vis analysis showed that the synthesized silica exhibited a higher adsorption capacity (6.7%) compared to raw Gamalama volcanic soil. Kinetic studies indicated that the adsorption process followed a pseudo-second-order model, suggesting chemisorption as the dominant mechanism. The rate constant (k₂) for the synthesized silica was 0.09 M⁻¹·h⁻¹, compared to 0.077 M⁻¹·h⁻¹ for the raw volcanic soil. This indicates that the synthesized silica adsorbed MO more rapidly, likely due to its higher purity and greater availability of active sites. The slightly lower k₂ observed in raw volcanic soil might be attributed to the presence of clay minerals such as halloysite and allophane, which possess negative surface charges at neutral to alkaline pH levels, leading to electrostatic repulsion with the negatively charged MO anions. Silica gel synthesized from Gamalama volcanic soil demonstrates promising potential as an eco-friendly adsorbent for dye removal from aqueous solutions.
PENDAMPINGAN PRAKTIKUM KIMIA VIRTUAL CHEM-LAB DAN PENYUSUNAN PANDUAN BERBASIS BAHAN LOKAL MALUKU UTARA Cipta, Indra; Baturante, Nur Jannah; Mauraji, Ilham; Embisa, Anjam Putra A.; Umahuk, Sabaria
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Publisher : LPPM UNIVERSITAS KHAIRUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/pengamas.v7i3.8598

Abstract

Pengabdian pada masyarakat ini bertujuan untuk memberikan pendampingan kepada siswa melakukan praktikum kimia tanpa akses internet dengan menggunakan aplikasi Chemlab. Kegiatan ini dilakukan di SMAN 10 Kota Ternate. Teknologi yang digunakan dalam kegiatan pengabdian ini adalah komputer, LCD kegiatan ini dilakukan menggunakan metode pendampingan secara langsung. Instrumen yang digunakan yaitu angket respon siswa menggunakan skala 1-4. data dianalisis secara deskriptif tiap indikator. Hasil dari kegiatan ini adalah adanya transfer pengetahuan dan skill kepada siswa. Respon siswa diperoleh sebanyak 89% siswa memberikan respon setuju aplikasi chemlab dapat dijadikan media pembelajaran kimia, sebanyak 89% siswa setuju mudah mengidentifikasi bentuk dan ukuran alat praktikum, kemudahan mengambil data praktikum, serta kemudahan menganalisis hasil praktikum dengan, sebanyak 75% siswa memberikan respon setuju tidak mengalami kesulitan menggunakan chemlab, 93% siswa memberikan respon setuju jika aplikasi chemlab lebih ramah lingkungan, praktikum kimia dengan menggunakan chemlab lebih aman, sebanyak 87% siswa memberikan respon setuju jika siswa menyelesaikan praktikum dengan sukses.
Activated Carbon from Mulu Bebe Stem Waste for Methylene Blue (MB) Adsorption Cipta, Indra; Baturante, Nur Jannah; Zam Zam, Zulkifli; Pasimanyeku, Angela; Rombe, Yunita Pare
TECHNO: JURNAL PENELITIAN Vol 13, No 1 (2024): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v13i1.6862

Abstract

Methylene blue is a harmful synthetic dye waste component that poses a significant threat to the environment and human health if not disposed of properly. The best way to tackle this problem is by adsorption through activated carbon from Mulu Bebe banana stems, which are widely available in North Maluku. This agricultural waste can be used to produce activated carbon through pyrolysis at 500ËšC for 30 minutes and activation using 0.5 M KOH solution for 24 hours. The activated carbon is then characterized using FTIR, SEM and XRD, which reveal the presence of various functional groups and pores. The XRD results indicate that the activated carbon structure tends to be amorphous. The adsorption analysis shows that the activated carbon from Mulu Bebe banana stems has a high adsorption capacity of 12.4 mg/g at the optimum condition of pH 7, contact time of 30 minutes, and initial concentration of 50 ppm. The Langmuir and Freundlich equations provide the best fit for the equilibrium adsorption data. By using activated carbon from Mulu Bebe banana stems, we can effectively reduce the amount of methylene blue waste in the environment and protect the ecosystem and human health.
METHYLENE BLUE DYE REMOVAL BY ADSORPTION ONTO NATURAL GAMALAMA VOLCANIC SOIL Cipta, Indra; Baturante, Nur Jannah; Rakhman, Khusna Arif; Mauraji, Ilham; Hadiarti, Dini
Analit : Analytical and Environmental Chemistry Vol. 10, No. 01 April (2025) Analit : Analytical and Environmental Chemistry
Publisher : Jurusan Kimia FMIPA Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/analit.v10i01.194

Abstract

The adsorption of Methylene Blue (MB) dye from aqueous solutions using natural adsorbents derived from Gamalama volcanic soil was investigated in this study. The adsorbent materials were characterized by FTIR, X-ray Diffraction (XRD), and Scanning Electron Microscopy (SEM) analyses, confirming the presence of allophane, halloysite, and kaolinite, which exhibit different morphologies and surface properties. Batch adsorption experiments were conducted to evaluate the effects of pH, contact time, and adsorbent mass on the removal efficiency of Methylene Blue. The results demonstrated that Gamalama volcanic soil adsorbents have a high affinity for Methylene Blue, achieving significant removal rates under optimal conditions. The findings suggest that Gamalama volcanic soil is a promising, low-cost, and environmentally friendly adsorbent for treating dye-contaminated wastewater. This study highlights the potential application of natural volcanic soil as an effective adsorbent in environmental remediation. The optimum MB removal was performed by adsorption condition with pH 6, 20 minutes contact time and 30 mg adsorbent.    
Co-Authors Ahmad Muchsin Jayali Annisa, Dira Ayu Ariyana, Muto'ah Intan Cipta, Indra Daiman, Fanina Dini Hadiarti Embisa, Anjam Putra A. Fadlan Muin Hernawan Hernawan Ibrahim, Fitriana Khusna Arif Rakhman, Khusna Arif Kumendong, Nurbaiti Kusuma, Anggieta Pahmawati Liong, Nurhaja Mauraji, Ilham Mauraji, Ilham SW Moligai, Nursafina Banse Muhammad Amin Muhdar, Sri Arlika Muliadi MULIADI -, MULIADI Muzdalifa, Eccy Sitti Nur Abu, St Hayatun Nur Anisa Nur Asbirayani Limatahu Nurfatimah Sugrah Pasimanyeku, Angela Puspitasar, Setyani Dian Rombe, Yunita Pare RR. Ella Evrita Hestiandari Siti Mahmudha Umahuk, Sabaria Zulkifli Zam Zam