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All Journal Jurnal Pertambangan Reaktor Jurnal Sains dan Teknologi Konversi Science and Technology Indonesia JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat IKRA-ITH ABDIMAS Jurnal Teknik Kimia Jurnal Instrumentasi Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Jurnal Pengabdian Masyarakat Farmasi : Pharmacare Society Jurnal Pengabdian Pada Masyarakat Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Journal of Engineering and Technological Sciences
Bazlina Dawami Afrah
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Sriwijaya, Indonesia
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Journal : Science and Technology Indonesia

 1 
Electro-adsorption as a Hybrid Processing to Removed Oil from Synthetic Oily Solution by Using Activated Carbon and Iron Electrodes Lia Cundari; Bazlina Dawami Afrah; Suci Dwijayanti; Alvina Suryadinata; Aldi Ramadhani
Science and Technology Indonesia Vol. 7 No. 3 (2022): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2957.782 KB) | DOI: 10.26554/sti.2022.7.3.344-352

Abstract

Biosolar contains oil, fatty acids, emulsifiers, bactericides, and other chemicals. If the oil contents are mixed with water, it will become hazardous waste and affect drinking water sources, endanger human health, air pollution, affect agricultural production, and damage the natural landscape, so the oil content must be processed to reduce its hazardous content. One of the methods used in treating oily solutions is adsorption. The adsorption method for oily solution treatment is ineffective because it requires several stages, so the required capital is relatively larger and takes longer. Electro-adsorption is one of the methods that is being developed for treating oily solutions. Electro-adsorption is a hybrid separation technology to break down oil emulsions in wastewater and some other organic content. The purpose of this study is to characterize the activated carbon and determine the effect of voltage and time on synthetic oily solution treatment in terms of COD value and oil-fat content. A synthetic oily solution is made by mixing 1 g of biosolar/B30 into the water from the Musi River to a volume of 1 L. The application of the electro-adsorption method uses commercially activated carbon as an adsorbent and iron as an electrode. Variations given to the process with voltage 0, 5, 10, 15 V and time 0, 5, 10, 15, 20, and 25 minutes. The characteristic of activated carbon showed a size change in the pore size from 2.58 µm to 1.98 µm and a reduction of surface area from 740 (±180) m2/g to 730 (±120) m2/g. The electro-adsorption method was effective in treating oily solutions. The decrease of COD reaches the maximum level at a voltage 10 V for 25 minutes, which was 75.92% from 62.33 mg/L to 15 mg/L initially, while the concentration of oil-fat obtains the maximum level at a voltage of 5 V for 5 minutes that is equal to 99.65%, initially 303.19 mg/L to 1.05 mg/L. The optimum condition of the electro-adsorption process in synthetic oily solution was at the voltage of 5 V and a time of 5 minutes. The electro-adsorption process is an effective method to treat synthetic oily solutions.
Optimization of Liquid Smoke Products Made from Rubberwood with Pyrolysis Method Bazlina Dawami Afrah; M. Ihsan Riady; Lia Cundari; Muhammad Andzar Rizan; Jihan Utami; Siti Istiani Pratiwi; Muhammad Yori Pratama
Science and Technology Indonesia Vol. 8 No. 3 (2023): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2023.8.3.353-360

Abstract

A large amount of rubberwood waste in Indonesia is caused by abundant rubberwood production. However, the utilization of rubberwood waste has not been optimized in Indonesia. One of the efforts to utilize rubberwood waste is to process it into liquid smoke. Liquid smoke is the dispersion of smoke vapor in water. The raw material used in this research is rubberwood. This study aimed to determine the quality of liquid smoke after purification by knowing the volume, density, pH, viscosity, yield, and phenol content using rubberwood as raw material and the pyrolysis method. The pyrolysis process is purified by distillation based on differences in boiling points. This research is divided into two stages of distillation, namely low grade purified liquid smoke and high grade purified liquid smoke. The analysis results will follow the quality standards of Japanese liquid smoke. The results show that the best liquid smoke from this research is liquid smoke with a pyrolysis time of 3 hours because it meets Japanese liquid smoke quality standards.
Co-Authors A. A. A. Utami Agung D. Aryansyah Agung Dwi Aryansyah Agung Gunawan Ahmad Julianto Al-Faiz, Ahmad Haris Aldi Ramadhani Aldi Ramadhani Alfatih, Muhammad Ma'ruf Alfayyadh, Muhammad Luthfi Althaf Taufiqurrahman Alvina Suryadinata Alvina Suryadinata Anugrah, Muhammad Risky Ariva, Helmi Aryani, Mentari Dian Aryansyah, Agung Dwi Asnari, Muhammad Asyeni Miftahul Jannah Azhari, Muhamad Thohir Cundari, Lia Delli Saputri, Jasmine Fadhilah Dwi Anggraini Dyos Santoso E. Oktarinasari E. R. D. Imanda Edda Anastasia Oktawina Eva Oktarinasari Fadilah, Ibnu Farand, Muhammad Geo Fitri Hadiah Fitri, Rizza Fadillah Gayatri, Rianyza Ihsan Riady, Muhammad Ihsan Riyadi, Muhammad Illovine Hadassa Ilmi, Nurul Indahsari, Siti Rachmi Jihan Utami Julianto, Ahmad Juliet P. Arsadha Juliet Patricia Arsadha Leily Nurul Komariah Lia Cundari Lia Cundari Lia Cundari Luthfiyah A. Sayyidah M Ihsan Riady M. Afrah Miftahurrizka Afrah Miftahurrizka Afrah Muhammad A. Rizan Muhammad Alik Aziz Muhammad Andzar Rizan Muhammad Yori Pratama Muzzaki, Ahmad Nabil Nabilla Tania Rahma Nabilla, Dinda Gusti Cahya Ni'matul Hakiki Vebri Awan Novia Novia Novia Sumardi Novia Sumardi Novia, Novia Oktarinasari, E. Oktarinasari, Eva Oktaviani Oktaviani Patrick Rudy Meizakh Payomthip, Panida Pranajaya, Violanda Dwi Wulandari Pratama, Muhammad Yori Pratiwi, Siti Istiani Putri, R. W. Putri, T. M. R. Putri, Tiara Maharani Ramona R. Rimadhina Rahmadianti, Nurulia Ramadhanty, Rizky Vasya Ramona Putri, Tiara Maharani rendana, muhammad Riady, M Ihsan Riady, M. I. Riady, M.I. Riadz, Tubagus Rizki, Fadhilah Rupinder Rupinder Sabrina, Dina Saputri, J. F. D. Saputri, Jasmine Fadhilah Delli Sari, Fitri Hadiah Saskia, Harifa Hadi Shailendra, Faris Habib Shean, Rizqi Akbar Siti Istiani Pratiwi Siti Istiani Pratiwi Suci Dwijayanti Suhendra, Ahmad Adi Syabil, M. Ibnus Tuti Indah Sari Tuti Indah Sari, Tuti Indah Winda, Hanifa Permata Wulan Ayum Larasati Yuniarti, Hafizhah Zalman, Arjun