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Journal : journal of chemical process engineering

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Pengaruh Konsentrasi H2SO4 Dan HCl Dalam Pembuatan Silika Gel Dari Daun Bambu Untuk Adsorpsi Logam Besi (Fe) Yusuf, Andi Asdiana Irma Sari; Sariwahyuni, Sariwahyuni; Nuria, Astuti Sinta; Tumanan, Katrina Yanti; Aksan, Andi Ariatmasanti; Ratnasari, Ratnasari
Journal of Chemical Process Engineering Vol. 8 No. 1 (2023): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v8i1.761

Abstract

Daun bambu mengandung silika cukup tinggi sehingga dapat digunakan sebagai bahan pembuatan silika gel, yang banyak dimanfaatkan dalam proses adsorpsi. Salah satu adsorpsi yang sering dilakukan yaitu adsorpsi logam besi (Fe) dalam air. Air dengan kandungan logam besi (Fe) yang tinggi berbahaya bagi lingkungan dan makhluk hidup. Penelitian ini dilakukan untuk pembuatan silika gel dari daun bambu sebagai adsorben logam besi (Fe) pada air, melalui tahap pengabuan, pembuatan natrium silikat, dan pembentukan gel serta analisis efesiensi adsorpsi logam besi (Fe). Pembuatan silika gel menggunakan katalis HCl dan H2SO4 dengan konsentrasi 0.5 M, 1 M, 1.5 M, 2 M, dan 2.5 M kemudian digunakan dalam penyerapan logam besi (Fe). Hasil penelitian menunjukkan efisiensi adsorpsi logam besi (Fe) oleh silika gel dengan katalis H2SO4 0.5 M, 1 M, 1.5 M, 2 M, dan 2.5 M sekitar 70,86 - 99,82% dengan hasil tertinggi pada konsentrasi 2.5 M sedangkan pada penggunaan HCl dengan variasi konsentrasi sama diperoleh efisiensi adsorpsi logam besi (Fe) 71,75 - 98,05% dan diperoleh hasil terbaik pada konsentrasi 0.5 M. Dengan demikian, variasi terbaik diperoleh dari Silika gel-HCl 0.5M karena dengan hanya menggunakan konsentrasi asam yang rendah diperoleh efisiensi adsorbsi yang tinggi.
Delignification of Lignocellulosic Content of Sugarcane Bagasse (Saccarum officinarium) with Variations in Size and Pretreatment Time Yusuf, Andi Asdiana Irma Sari; Abadi, Sakinah Islamiati; Sariwahyuni
Journal of Chemical Process Engineering Vol. 9 No. 2 (2024): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v9i2.976

Abstract

Sugarcane bagasse (Saccarum officinarium) is a byproduct of the sugar production process and holds potential as a raw material for bioethanol production due to its lignocellulose content. Lignocellulose contains important components such as cellulose, hemicellulose, and lignin. This study focuses on the delignification of sugarcane bagasse (Saccarum officinarium) through a combination of mechanical and autoclave treatments, with variations in particle size and heating time. The goal of this study is to reduce the lignin content and increase the proportion of cellulose and hemicellulose, key components for producing valuable products  for instance bioethanol. In this research, sugarcane bagasse was processed with particle sizes of 60, 70, and 80 mesh, and heated in an autoclave for 30, 45, and 60 minutes. The Chesson-Datta method was used to analyze the lignocellulose content of the bagasse after the delignification process. The results showed that the best outcome was achieved with a particle size of 80 mesh and a heating time of 60 minutes, yielding the lowest lignin content at 14.27%, while cellulose and hemicellulose reached 44.3% and 26.75%, respectively. This indicates that variations in particle size and heating duration significantly affect the effectiveness of the delignification process. Optimizing these two parameters is crucial for increasing cellulose and hemicellulose content while reducing lignin. Further research is expected to develop more effective pretreatment techniques to enhance the efficiency of sugarcane bagasse biomass conversion for industrial applications
Co-Authors A. Nur Awalia Abadi, Sakinah Islamiati Achmad Qodim Aksan, Andi Ariatmasanti Andi Ariatmasanti Aksan Andi Haslinah Ashar, Amanda Maydisha Astuti Shinta Nuria Badi'ah, Hanim Istatik Dwi Setyorini Dwi Setyorini Frabowo Prasetia Ganing, Melani Gyan Prameswara Herlina Rahim Herlina Rahim Idi Amin Idi Amin, Idi Jaelani, Kaerunnisa Nur Katrina Yanti Tumanan Khulwa, Sitti Mahdiyah Kurniawan LATIFAH Mega Fia Lestari Misbahuddin Muhammad Azwar Nuria, Astuti Sinta Ratnasari . Ratnasari Ratnasari Ruslan Syafri St. Nurhayati Jabir Sukriya Buwardah Syafaatullah, Achmad Qodim Tumanan, Katrina Yanti Wahidah