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All Journal Jurnal Ilmiah Teknik Kimia Jurnal Intelek Dan Cendikiawan Nusantara
Adelia Amanda
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Chemical Engineering, Chemistry & Bioengineering Chemistry Other

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Pemanfaatan Limbah Ampas Kopi sebagai Adsorben untuk Pengolahan Air Limbah Industri Tahu: Analisis Adsorpsi Batch dan Parameter Isoterm Rara Ayu Lestary; Oki Alfernando; Sarah Fiebrina Heraningsih; Rosmawati Sipayung; Adelia Amanda; Alya Rizki Amelia; Ita Safitri; Septrinawati Tambunan; Tiamsa Sihotang; Karisma Ulfadeli; Tiara Bartisa Putri
Jurnal Ilmiah Teknik Kimia Vol. 9 No. 2 (2025): JURNAL ILMIAH TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia, Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jitk.v9i2.48776

Abstract

Coffee grounds waste can be utilized as a cost-effective and eco-friendly adsorbent for treating wastewater from the tofu industry. Batch adsorption experiments were conducted to evaluate the performance of coffee grounds as an adsorbent in removing pollutants from tofu wastewater. Different adsorbent doses (1 g, 2 g, and 3 g per 200 mL) were tested, and the quality of the wastewater was assessed based on changes in Total Dissolved Solids (TDS), turbidity, conductivity, and pH. The specific adsorption capacity (mg/g) and removal efficiency (%) decreased with increasing adsorbent dose. The overall removal of contaminants was most effective at a 3 g dose, resulting in a 47% reduction in TDS and an 80% decrease in turbidity. Adsorption equilibrium data were further analyzed using Langmuir, Freundlich, and Temkin isotherm models. The Langmuir model showed the best fit (R² = 0.999), indicating monolayer adsorption on a homogeneous surface. These results demonstrate that coffee grounds waste is a promising sustainable adsorbent, particularly for small and medium-scale tofu industries with limited resources for wastewater treatment.
Program Khotom Al-Qur’an Di Pesantren Darul Ulum Muara Mais Jambur Kecamatan Tambangan Sapirin Sapirin; Riski Humairoh Nasution; Adelia Amanda; Annur Jannah; Maysaroh Lubis; Lamsari Lubis; Putri Wahidah; Riski Amelia; Muhammad Ramly
Jurnal Intelek Dan Cendikiawan Nusantara Vol. 2 No. 6 (2025): Desember 2025 - Januari 2026
Publisher : PT. Intelek Cendikiawan Nusantara

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Abstract

Artikel ini bertujuan untuk mengkaji pelaksanaan Program Khotom Al-Qur’an di Pesantren Darul Ulum Muara Mais Jambur Kecamatan Tambangan sebagai bagian dari pendidikan keagamaan pesantren. Penelitian ini menggunakan pendekatan kualitatif deskriptif dengan teknik pengumpulan data berupa wawancara, observasi, dan dokumentasi. Hasil penelitian menunjukkan bahwa Program Khotom Al-Qur’an memiliki peran strategis dalam membentuk karakter religius santri, meningkatkan kedisiplinan, serta menumbuhkan kecintaan terhadap Al-Qur’an. Program ini dilaksanakan secara rutin dan konsisten dengan metode pembiasaan dan pendekatan kolektif. Meskipun terdapat kendala berupa perbedaan kemampuan membaca Al-Qur’an dan kedisiplinan santri, program tetap berjalan efektif dengan adanya pengawasan dan sanksi edukatif. Program Khotom Al-Qur’an tidak hanya memberikan hasil berupa tercapainya target khatam Al-Qur’an, tetapi juga berdampak pada pembentukan budaya religius dan kebersamaan di lingkungan pesantren. 
Co-Authors Alya Rizki Amelia Annur Jannah Ita Safitri Karisma Ulfadeli Lamsari Lubis Maysaroh Lubis Muhammad Ramly Oki Alfernando Putri Wahidah Rara Ayu Lestary Riski Amelia Riski Humairoh Nasution Rosmawati Sipayung Sapirin Sarah Fiebrina Heraningsih Septrinawati Tambunan Tiamsa Sihotang Tiara Bartisa Putri