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All Journal AUSTENIT Jurnal Teknik Kimia USU Jurnal Pangan dan Agroindustri Jurnal Sumberdaya Alam dan Lingkungan IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Sriwijaya International Seminar on Energy-Environmental Science and Technology Indonesian Journal of Chemical Science Science and Technology Indonesia Journal Of Chemical Process Engineering (JCPE) JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Jurnal Serambi Engineering JURNAL PENDIDIKAN TAMBUSAI Jurnal Teknik Kimia Jurnal Inovasi Teknik Kimia Jurnal Daur Lingkungan ASEAN Journal of Chemical Engineering Kinetika Jurnal Teknik Industri Terintegrasi (JUTIN) Yumary: Jurnal Pengabdian kepada Masyarakat Jurnal Pendidikan dan Teknologi Indonesia Jurnal Ilmiah Wahana Pendidikan Jurnal Energi Baru dan Terbarukan AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) International Journal of Research in Vocational Studies (IJRVOCAS) Aptekmas : Jurnal Pengabdian Kepada Masyarakat Chemical Engineering Journal Storage (CEJS) Jurnal Teknik Kimia USU Journal of Applied Agricultural Science and Technology Innovative: Journal Of Social Science Research Journal Of Chemical Process Engineering Serambi Engineering Jurnal Rekayasa Proses
Muhammad Yerizam
Politeknik Negeri Sriwijaya
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Journal : Innovative: Journal Of Social Science Research

 1 
Pemanfaatan Fly Ash Batubara dalam Penurunan Kadar Besi dan Mangan Limbah Air Asam Tambang PT Bukit Asam Sari, Rahmaida; Yerizam, Muhammad; Junaidi, Robert
Innovative: Journal Of Social Science Research Vol. 4 No. 5 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i5.13362

Abstract

PT Bukit Asam Tbk is one of the largest coal producers in Indonesia. Fly ash, the primary waste from the operations of PLTU Bukit Asam, is a fine particle residue from coal combustion that can cause environmental pollution if not properly managed. Based on Government Regulation No. 22 of 2021, fly ash is no longer categorized as hazardous waste (B3), leading to increased research on its utilization. This study aims to utilize fly ash from PLTU Bukit Asam as an adsorbent to reduce iron (Fe) and manganese (Mn) content from acid mine drainage at PT Bukit Asam Tbk, using NaOH as a basic activator and varying contact time and adsorbent mass. Characterization of the fly ash morphology using Scanning Electron Microscopy (SEM) showed that activated fly ash has a more porous structure compared to before activation, increasing the specific surface area and adsorption potential. The study results indicated that the adsorption efficiency of Fe increased with the increasing adsorbent dose, reaching the highest efficiency of 99.95% at a dose of 500 grams and a contact time of 50 minutes. The Langmuir and Freundlich isotherm models were used to describe the adsorption process. The high determination coefficient (R²) values, ranging from 0.9474 to 0.9916 for Fe and 0.99602 to 0.99862 for Mn, indicate the suitability of these models in the studied adsorption system.
Pemanfaatan Bottom Ash Batubara Menjadi Silika Gel Sebagai Absorben Pb+ pada Limbah Industri Minuman di Bayuasin Nurjanah, Rizki; Zamhari, Mustain; Yerizam, Muhammad
Innovative: Journal Of Social Science Research Vol. 4 No. 5 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i5.13628

Abstract

Improving the quality of life and welfare through industrial development in various sectors often results in negative impacts such as production waste. One type of waste produced from coal combustion is fly ash and bottom ash, both of which were categorized as hazardous waste (B3) according to government regulations before 2021. With regulatory changes in 2021, this waste can be utilized more flexibly after obtaining Environmental Approval. This study examines the use of bottom ash as an adsorbent to reduce heavy metals in industrial wastewater. Bottom ash from PT PUSRI Palembang was processed into silica gel using the sol-gel method and NaOH activation, with the liquid waste used coming from the liquid waste of the beverage industry in Banyuasin. The results showed that silica gel successfully made from bottom ash has an adsorption capacity following the Langmuir model, with a value of 1.743 mg/g and an adsorption efficiency of 73.69%. The optimal NaOH concentration was found at a 3 M ratio with an average efficiency of 70.84%.
Pengembangan Packed Flow Reactor Tipe Fixed Bed untuk Meningkatkan Efisiensi Metanasi CO₂ Menggunakan Katalis Nikel Apriyansah, Apriyansah; Yerizam, Muhammad; Hasan, Abu
Innovative: Journal Of Social Science Research Vol. 4 No. 5 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i5.13629

Abstract

The increase in carbon dioxide (CO₂) emissions due to human activities poses a significant challenge to climate change. CO₂ methanation, the process of converting CO₂ into methane (CH₄), offers a potential solution for reducing carbon footprints and producing useful fuel. This study focuses on developing a fixed bed packed flow reactor made of stainless steel, with a capacity of ±2 liters, to enhance CO₂ methanation efficiency. Nickel (Ni) catalysts were selected due to their relatively low cost and good performance. Experiments were conducted at temperatures up to 400°C to optimize CH₄ production. The results show that higher temperatures increase methane production, with an optimal temperature of 100°C resulting in 39.41% CH₄. Lower CO₂ flow rates also increase CH₄ production due to longer contact times. Higher temperatures reduce residual CO₂, and the amount of active sites on the catalyst affects the reduction of residual CO₂.
Co-Authors Abu Hasan Abu Hasan Abu Hasan Achmad Reza Aditya Amin Agus Manggala Agustin Pratiwi, Ines Aida Syarif AIDA SYARIF Akbar Ismi Aziz Pramito Alfajri, Ahmad Rizki Aliyah Montessa Alsarah, Danil Son Amin, Achmad Reza Aditya Anerasari Meidinariasty Anerasari Meidinariasty Anerasari Meidinariasty Anggi Dwi Chandrika Apriansyah Zulatama Aprilia, Luraselly Arda Apriyansah Apriyansah, Apriyansah Ardiani, Salsha Aria Yopianita Arif Budiman Asyeni Miftahul Jannah Asyeni Miftahul Jannah Ayuni Lestari Azaria Hikmah Fajrianti Az’zahrah, Nandyta Rizqi Cindi Ramayanti Dina Eka Pranata Dwi Nugroho, Afrian Eka Mulyana, Eka Ekawati, Linda Ellina Margaretty Endang Sri Rahadianti Erwana Dewi Erwin Erwin Fatahul Arifin, Fatahul Febri Liani Br Simanjuntak Fenoldi, Nova Feri Hafidz, Abdurrahman Helen Chairunisa Ihtifazhuddin, Farhan Indah Purnamasari Indah Purnamasari INDAH PURNAMASARI Indrayani Indrayani Jabborov, Behzod Kalsum, Leila Khairunnisa, Annisa Septia Kusuma, Mutmainnah Ningtyas M, Anerasari M. Ridho Triadi M. Zaman Manggala, Agus Martha Aznury Martha Martha Mediniariasty, Anerasari Muhammad Yori Pratama Muhammad Zaman Mustain Zamhari Mustain Zamhari Nabila, Rizky Ayu Ningsih, Anis Wahyu Nurjanah, Rizki Nyayu Fia Atindu Nyayu Zubaidah Nyayu Zubaidah Pratama, Andrian Putra Pratama, Muhammad Yori Puspa, Dilia Putra, Rizkika Raysha Amelya Renny Citra Ramadhani Riansyah, Epan Robert Junaidi Robert Junaidi Rusdianasari Rusdianasari Rusdianasari Rusdianasari Rusdianasari Sabrina, Delanisa Saqila Putri Aulia Sari Rizky Amelia Sari, Rahmaida Sarmidi Sarmidi Selastia Yulianti Selastia Yuliati Silmi Tsabita Sirait, Agnes Tasya Pintauly Syafitri, Aulia Tamara, Ade Wan Qori Sri Maulani Wardhana, Agum Try Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yahya, Muhammad Habib Yohandri Bow Zain, Raina Khoirunisa Zamheri, Ahmad