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All Journal Jurnal Kesehatan Lingkungan indonesia KONSELI: Jurnal Bimbingan dan Konseling (E-Journal) Jurnal Hasil Penelitian Industri JURNAL SERAMBI ILMU SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan JURNAL PENDIDIKAN TAMBUSAI SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat El-Mujtama: Jurnal Pengabdian Masyarakat International Journal of Social Service and Research Makara Journal of Technology JURUTERA (Jurnal Umum Teknik Terapan) Analysis : Journal of Education Jurnal Komprehenshif JURNAL REKAYASA KIMIA & LINGKUNGAN
Mahidin Mahidin
Jurusan Teknik Kimia Universitas Syiah Kuala, Jl. Syech Abdurrauf, No. 7, Banda Aceh - Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Journal : JURNAL REKAYASA KIMIA

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Conversion of Green Coconut Shell and Husk into Biobriquette Using Jatropha seed Adhesive Utami, Putri Agus; Sudarmi, Raudhatul Aulianatia; Sahara, Siti; Anwar, Khairul; Mahidin, Mahidin; Djuned, Fauzi Muhammad
Jurnal Rekayasa Kimia & Lingkungan Vol 20, No 1 (2025): Jurnal Rekayasa Kimia & Lingkungan (June, 2025)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Green coconut shell and husk (GCSH) waste had the potential to pollute the environment if not properly utilized. As a solution, innovations in processing GCSH into biobriquettes could generate eco-friendly renewable energy with economic value. This study aimed to optimize the utilization of GCSH as a raw material for biobriquettes by adding jatropha seeds as an adhesive, as well as evaluating the characteristics of the produced biobriquettes. Fabrication of biobriquette was carried out using two methods: conventionally (without burning) and by pyrolysis (with burning) at temperatures of 380C, 430C, and 480C for 3.5 hours. The charcoal obtained from pyrolysis was mixed with jatropha seed adhesive at concentrations of 15%, 20%, and 25%, then molded at a pressure of 110 kg/cm and dried at 105C. The results showed that pyrolysis temperature and adhesive concentration affected the moisture content, ash content, calorific value, compressive strength, and combustion rate of the biobriquettes. Optimum conditions were achieved at a pyrolysis temperature of 430C with the addition of 25% adhesive, resulting in biobriquettes with high calorific value (6367.74 cal/g), low moisture content (7.44%), and good combustion rate (0.10219 g/min). This study proved that utilizing GCSH waste and jatropha seeds for biobriquettes had great potential as an efficient and sustainable source of renewable energy.
Carbon Dioxide (CO2) Separation Study Using Chemically Activated Serpentine as an Adsorbent Dhedia, Muhammad Fannka; Mahidin, Mahidin; Husin, Husni; Hisbullah, Hisbullah; Razali, Nasrullah; Reza, Alvan Ade; Hadi, Abdul
Jurnal Rekayasa Kimia & Lingkungan Vol 19, No 2 (2024): Jurnal Rekayasa Kimia & Lingkungan (December, 2024)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v19i2.41399

Abstract

The increase in carbon emissions resulting from industrial activities has become a major concern for environmental and climate conditions. Carbon Capture and Storage (CCS) represents a significant effort to mitigate the CO2 problem. Aceh Province possesses a potential distribution of serpentine, which may serve as an effective material for CCS applications. This study evaluates the effects of gas flow rate, particle size, sorbent weight, and pressure on CO2 adsorption using chemically activated serpentine. The activation process involved hydrochloric acid (HCl) at three concentrations: 8%, 9%, and 10%, with particle sizes of 50 mesh, 100 mesh, and 150 mesh. Activation was conducted at room temperature with an acid-to-serpentine ratio of 10:1 for 30 minutes. Adsorption tests were performed at ambient temperature under pressures of 2, 3, and 4 bar, with adsorption times of 30, 60, and 120 minutes. Results indicate that activated serpentine treated with 9% HCl and a particle size of 150 mesh achieved the highest performance, demonstrating an adsorption efficiency of 33.01% and an adsorption capacity of 82.22% (0.0488 g CO2/g adsorbent) at a pressure of 2 bar. Both the Langmuir and Freundlich isotherm models closely fit the data (R = 1). This study concludes that HCl activation significantly enhances the capacity and efficiency of serpentine as a CO2 adsorbent.
Co-Authors Abdul Aziz Rusman Abdul Hadi Agustina, Liana Ameilia Zuliyanti Siregar Angi, Nur Fadila Asri Gani Ayyub, Muhammad Cut Mutiawati Cut Nurmaliah Delviga, Delviga Dhedia, Muhammad Fannka Djuned, Fauzi Muhammad Fitriani Fitriani Hamdani Hamdani Hani, M. Reza Harti, Marisa Hasibuan, Ali Daud Hasibuan, Nurmiah Hisbullah Hisbullah Hrp, Muhammad Royhan Husni Husin Indera Sakti Nasution Izarul Machdar, Izarul Ketut Tirtayasa Khairil Khairil Khairul Anwar Khalila Daulay, Nurika Mariana Mariana Mashadi Mashadi Melinda Melinda Meuthia Busthan, Meuthia Meutia Nauly Mia Aulia, Mia Muhammad Faisal Muhammad Nizar Muhammad Syukur Muhibbuddin Muhibbuddin Muhibuddin Muhibuddin, Muhibuddin Nasrul Arahman Nasrul Nasrul Nuraida Nuraida Nurbaini, Nurbaini Oktaviani, Coryna Puspita, Anggun Ramli, Ichwana Razali, Nasrullah Reza, Alvan Ade Rizal, Teuku Azuar Sembiring, Rinawati Sipayung, Dewi Mentari Siregar, Netti Herlina Siregar, Rahmah Sudana Siti Sahara Sudarmi, Raudhatul Aulianatia Suhada, Deksa Imam Sulastri Sulastri Susmita Br. Siregar, Tiya Modi Syahiddin Dahlan Said Syukri, Makmur T.M.I. Mahlia Tulus Tulus Utami, Putri Agus Zulkifli Nasution