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Zikri, Ahmad
Politeknik Negeri Sriwijaya
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ANALYSIS OF BASE SEDIMENT & WATER EFFECT ON INTERNAL CORROSION RATE OF PIPELINE API 5L Gr B: ANALYSIS OF BASE SEDIMENT & WATER EFFECT ON INTERNAL CORROSION RATE OF PIPELINE API 5L Gr B Muhammad iqbal Pangindoman; Ahmad Zikri; Selastia Yuliati
KINETIKA Vol. 13 No. 03 (2022): KINETIKA 01112022
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Base Sediment & Water (BS&W) is indicated high has to be as a corrosion factor in the pipeline. Corrosion is the damage or degradation of metals due to oxidation-reduction reactions between a metal and various substances in its environment which produce unnecessary compounds. Corrosion can be influenced by several factors, such as NaCl content, BS&W composition, dissolved gas content, pH, flow rate and temperature. The composition of BS&W can have an impact on the corrosion rate of the API 5L Gr B steel pipe.   Keywords : Pipeline, BS&W, Corrosion Rate
Proses Transesterifikasi Biodiesel Menggunakan Katalis Sodium Methoxide Dan Katalis Berbasis Karbon Aktif Dari Tempurung Kelapa Yang Diimpregnasi NaOH Meygi Rezablina; Mustain Zamhari; Ahmad Zikri
Jurnal Serambi Engineering Vol 8, No 4 (2023): Oktober 2023
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v8i4.6773

Abstract

Biodiesel is one of the renewable energies that can be obtained by converting triglycerides into methyl esters by transesterification process. Used cooking oil is heated with anhydrous methanol which is added with an acid catalyst or base catalyst. The catalyst has a role as a substance to reduce the activation energy of fatty acids in used cooking oil to increase the reaction rate. In this study, Sodium methoxidealkaline catalyst and NaOH-impregnated activated carbon base catalyst were used. Activated carbon catalyst using variation of concentration of activated carbon 1N, 2N, 3N, 4N, and 5N for 18 hours, 21 hours, and 24 hours and the use of sodium methoxidecatalyst with variation of oil: methanol ratio 1:3, 1:6, 1:9, 1:12, 1:15. The results showed that the biodiesel yield using carbon catalyst was 98.2%, 2% w/w catalyst with oil: methanol ratio 1:12 at 60℃ for 120 minutes. The best result of biodiesel using sodium methoxidecatalyst is 87.65%, catalyst 1.25% w/w with ratio 1:12, temperature 60℃ for 120 minutes. Keyword :  Active Carbon, Biodiesel, Catalyst, Sodium Methoxide, Transesterification
Edukasi Pengelolaan Sampah Dengan Teknologi Daur Ulang Dalam Rangka Mewujudkan Kemandirian Yayasan Pondok Pesantren Darul Khuldi Safril Kartika Wardhana; Maulidia Berlianti; Ahmad Zikri; Anjar Siti Mashitoh; R Zicky Chandra Kesuma
Jurnal Dehasen Untuk Negeri Vol 3 No 1 (2024): Januari
Publisher : Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jdun.v3i1.5463

Abstract

Waste management in Kabupaten Ogan Komering Ulu is still facing problems. The size of the waste pile is not commensurate with the waste handling capacity. Plastic waste is a source of problems in landfills because it is quite large and difficult to decompose. Through research and innovation in waste management, we hope to create solutions that not only minimize negative impacts on the environment, but also create new opportunities for a sustainable economy. This research will be carried out at the Darul Khuldi Islamic Boarding School Foundation in Ogan Komering Ulu Regency. This research was conducted to process waste at the Darul Khuldi Islamic Boarding School Foundation, namely domestic waste in the form of plastic waste and organic waste. Plastic waste produced during activities carried out at the Islamic Boarding School is processed into pelleting plastic pellets and making ecoenzymes to manage organic waste. The results obtained are expected to increase the independence of the Darul Khuldi Islamic Boarding School Foundation and reduce the impact of pollution on the surrounding environment
Edukasi Pengelolaan Sampah Dengan Teknologi Daur Ulang Dalam Rangka Mewujudkan Kemandirian Yayasan Pondok Pesantren Darul Khuldi Safril Kartika Wardhana; Maulidia Berlianti; Ahmad Zikri; Anjar Siti Mashitoh; R Zicky Chandra Kesuma
Jurnal Dehasen Untuk Negeri Vol 3 No 1 (2024): Januari
Publisher : Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jdun.v3i1.5464

Abstract

Waste management in Kabupaten Ogan Komering Ulu is still facing problems. The size of the waste pile is not commensurate with the waste handling capacity. Plastic waste is a source of problems in landfills because it is quite large and difficult to decompose. Through research and innovation in waste management, we hope to create solutions that not only minimize negative impacts on the environment, but also create new opportunities for a sustainable economy. This research will be carried out at the Darul Khuldi Islamic Boarding School Foundation in Ogan Komering Ulu Regency. This research was conducted to process waste at the Darul Khuldi Islamic Boarding School Foundation, namely domestic waste in the form of plastic waste and organic waste. Plastic waste produced during activities carried out at the Islamic Boarding School is processed into pelleting plastic pellets and making ecoenzymes to manage organic waste. The results obtained are expected to increase the independence of the Darul Khuldi Islamic Boarding School Foundation and reduce the impact of pollution on the surrounding environment.
Enhancing renewable energy literacy through aromatic biobriquettes production training at Al-Amalul Khair Islamic Boarding School Lety Trisnaliani; Ahmad Zikri; Ida febriana; Isnandar Yunanto; Ahmad Zydan Alhabsyi; Zahra Ananda Lanos; Nadia Melisa Fitri; Faridatuljana Binti Mohd Noor
Penamas: Journal of Community Service Vol. 6 No. 2 (2026): Penamas: Journal of Community Service
Publisher : Nur Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53088/penamas.v6i2.3117

Abstract

Limited renewable energy literacy and inadequate utilization of organic waste remain significant challenges in school-based environmental education. This community service program aimed to enhance renewable energy literacy and practical biomass utilization skills among students and teachers at Al-Amalul Khair Islamic Boarding School, Palembang, Indonesia, through aromatic biobriquette production training. The program employed a community-based learning approach consisting of lectures, technical demonstrations, hands-on practice, and interactive discussions. Thirty participants were involved in the activity. Program effectiveness was evaluated using a one-group pretest–posttest design. The results showed a significant increase in participants’ knowledge, with the mean score improving from 45.67 before the training to 95.00 after the training. In addition, participants demonstrated strong engagement during practical activities and expressed willingness to apply aromatic biobriquette technology for sustainable organic waste management. The findings indicate that hands-on training effectively improves renewable energy literacy and technical competencies related to biomass-based energy production.
Co-Authors ,, Tahdid ., Anerasari ., Arinda ., Erlinawati ., Fatria ., Lismayani ., Zurohaina A, Aulia Aditya Saputra, Marwan Ahmad Zydan Alhabsyi Aisyah Suci Ningsih Alvino, Raudi Amin, Jaksen M. Anggun Pratiwi Anjar Siti Mashitoh Arjuansyah, Meji Budiman Achmadi Dinah Wika Maharani Erlinawati Erlinawati . Erlinawati Akil Erlinawati Erlinawati Erlinawati Erlinawati Faridatuljana Binti Mohd Noor Febriana, Ida Ida Febriana Indah Purnamasari Irawan Rusnadi Irawan Rusnadi Irawan Rusnadi Irawan Rusnadi Isnandar Yunanto Jaksen M.A Jaya, Julian Indra K.A Ridwan Kaslum, Leila Lety Trisnaliani Lety Trisnaliani Lindawati Lindawati Lutpi Dwi Kurniawan Maulia Rizki Maulidia Berlianti Meygi Rezablina Muhammad iqbal Pangindoman Muhammad Yerizam Mustain Zamhari Nadia Melisa Fitri Oktavia, Yaya Pratiwi, Mitha Puti Nurul Amalia Putra, M. Rizky Adhitya R Zicky Chandra Kesuma Reyhan, Muhammad Hifal Ridwan, KA Rizkia Sabatini Roby adi Nugraha RR. Ella Evrita Hestiandari Safril Kartika Wardhana sari, Desi Nurmala Selastia Yuliati Sutini Pujiastuti Lestari Tania Oktavia Tanjung, Yesi WULANDARI, NILA Yohandri Bow Zahra Ananda Lanos Zurohaina Zurohaina Zurohaina