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All Journal Zonasi: Jurnal Sistem Informasi Jurnal Sosiohumaniora Kodepena (JSK) International Journal of Educational Review, Law And Social Sciences (IJERLAS) J-COSCIS : Journal of Computer Science Community Service Journal of Scientech Research and Development Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Ilmiah Riset dan Pengembangan Tasyri' : Jurnal Muamalah dan Ekonomi Syariah Jurnal Riset Multidisiplin Edukasi Scientific Contributions Oil and Gas
zamzami
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Religion Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Social Sciences Other

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MENGOPTIMALKAN FUEL CLEANLINESS B40 SESUAI DENGAN ISO CODE 4406 18/16/13 DENGAN IMPLEMENTASI ALAT KIDNEYLOOP DI PT ANTAREJA MAHADA MAKMUR SITE MIFA PERIODE MEI 2025 – JULI 2025 Torop Alfredo A; Muhammad Alfian Abrarry; Zamzami; Eko Purnomo
Journal of Scientech Research and Development Vol 7 No 2 (2025): JSRD, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56670/jsrd.v7i2.1524

Abstract

Kontaminasi partikel pada bahan bakar biodiesel B40 menjadi penyebab utama penurunan performa mesin alat berat pertambangan yang bermanifestasi sebagai kejadian low power berulang. Penelitian ini bertujuan mengoptimalkan kebersihan bahan bakar hingga memenuhi standar ISO 4406:18/16/13 melalui implementasi sistem kidney loop filtration di PT Antareja Mahada Makmur site MIFA periode Mei-Juli 2025. Metode action research dengan pendekatan Plan-Do-Check-Action diterapkan pada lima unit fuel truck melalui prosedur komprehensif meliputi draining endapan, flushing tangki, filtrasi sirkulasi kontinyu, pembersihan komponen dispensing, dan sanitasi tangki. Hasil pengujian menunjukkan penurunan tingkat kontaminasi dari 22/20/17 menjadi 16/14/8, memenuhi standar yang dipersyaratkan. Implementasi sistem ini berhasil mereduksi kejadian low power sebesar 40% dari 54 menjadi 32 kejadian dalam dua bulan, menghasilkan penghematan biaya produksi sebesar 62% dan penurunan kerugian pendapatan sewa sebesar 62%. Periode pengembalian investasi sistem kidney loop tercapai dalam kurang dari tiga bulan. Kesimpulannya, teknologi kidney loop filtration terbukti efektif mengoptimalkan kualitas bahan bakar biodiesel B40 dan memberikan dampak ekonomis signifikan melalui peningkatan produktivitas operasional pertambangan.
Grey Wolf Optimization-Based Global MPPT for Solar-Assisted Hybrid Energy Systems in Oil and Gas Production Facilities Zulfadli, Teuku; Muliadi; Yassir; Zamzami; Salahuddin
Scientific Contributions Oil and Gas Vol 49 No 1 (2026)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v49i1.2056

Abstract

Partial shading in photovoltaic (PV) modules produces multiple power peaks that reduce system efficiency if the global maximum power point is not properly tracked. This condition commonly occurs in oil and gas production facilities due to shadows from industrial structures, requiring MPPT methods with reliable global tracking capability. This study evaluates the Grey Wolf Optimization (GWO) algorithm for global MPPT under eight partial shading scenarios (12.5%–100%) using MATLAB/Simulink simulation. The results show that GWO successfully tracks the global maximum power point under single-, double-, and triple-peak conditions. Under 12.5% shading, the system produces 277.0 W with an efficiency of 99.78%; under 25% shading, it produces 266.7 W with an efficiency of 99.85%; and under 37.5% shading, it produces 204.2 W with an efficiency of 99.90%. Across all scenarios, the algorithm achieves efficiencies above 99% with an average efficiency of 99.61%, which is higher than the 97.20% reported in previous studies. This efficiency improvement of approximately 2–4% increases the contribution of solar energy in PV–diesel hybrid systems and potentially reduces fuel consumption while improving power supply reliability for critical loads in oil and gas production facilities. Unlike conventional metaheuristic approaches such as PSO-MPPT, Flower Pollination Algorithm (FPA), and Differential Evolution (DE), which are sensitive to parameter tuning or prone to premature convergence, the proposed GWO implementation employs a hierarchical three-agent update mechanism (α, β, δ) that enhances global exploration capability across complex multi-peak P–V characteristics. This distinguishes the present study from prior GWO-based MPPT work that relied solely on the alpha agent for position update.
PENGARUH LAMA USAHA, MODAL, JENIS BARANG JUALAN DAN UMUR TERHADAP PENDAPATAN PEDAGANG DIPASAR AURDURI Nabela Alfatia; Zamzami; Sri Ningsih
Jurnal Riset Multidisiplin Edukasi Vol. 3 No. 4 (2026): Jurnal Riset Multidisiplin Edukasi (April 2026)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v3i4.1804

Abstract

This research analyzes the influence of business duration, working capital, type of goods sold, and trader age on traders' income at Aurduri Market. A quantitative approach using multiple linear regression analysis through SPSS 30 and eview 30 was applied to primary data from 60 market traders. The F-test results indicate that all four variables simultaneously and significantly affect income (F-statistic = 285.8498; Prob(F-statistic) = 0.000 < 0.05). Individually, each variable also shows positive and significant effects (p < 0.05), suggesting that increases in business duration, capital amount, suitability of goods sold, and trader age lead to higher income. The coefficient of determination R² = 0.954 (95.41%) demonstrates that the model explains most income variation, with 4.59% influenced by other factors. Validity testing via Corrected Item-Total Correlation confirms all indicators are valid (range 0.977–0.985 > 0.30), while reliability testing yields Cronbach's Alpha = 0.992 (> 0.90), indicating highly reliable instruments. These findings offer practical contributions for traditional market managers to enhance trader welfare through optimized working capital, strategic commodity selection, business experience development, and empowerment of productive-age traders. The study also enriches microeconomic literature on income determinants for traditional market traders in Indonesia.
Pengaruh Indeks Pembangunan Manusia, Ketimpangan Pendapatan, dan Pertumbuhan Ekonomi terhadap Tingkat Kriminalitas di Kabupaten/Kota Provinsi Jambi Hesmi Susimandri; Junaidi; Jaya Kusuma; Zamzami
Jurnal Riset Multidisiplin Edukasi Vol. 3 No. 4 (2026): Jurnal Riset Multidisiplin Edukasi (April 2026)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v3i4.1851

Abstract

This study aims to analyze the influence of the human development index, income inequality, and economic growth on crime rates. The independent variables in this study include the human development index, income inequality, and economic growth. While the dependent variable is the crime rate. This study uses secondary data in the form of panel data (time series and cross-section) for the period 2015-2024 with a panel data regression method through the Fixed Effect Model (FEM) approach. The results show that all variables simultaneously have a significant effect on crime. Partially, the human development index has a negative and significant effect, income inequality has no significant effect, while economic growth has a positive and significant effect on crime rates in the regencies/cities of Jambi Province.
PENGARUH MOTIVASI, DISIPLIN, DAN LINGKUNGAN KERJA TERHADAP KINERJA PEGAWAI PADA OPD PEMERINTAH PROVINSI JAMBI Naya Azzahra Sumantri; Zamzami; Nuriah Alfisyahri
Jurnal Riset Multidisiplin Edukasi Vol. 3 No. 5 (2026): Jurnal Riset Multidisiplin Edukasi (Mei 2026)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v3i5.1922

Abstract

The purpose of this study was to determine the description of motivation, discipline, and work environment on employee performance, as well as the influence of motivation, discipline, and work environment on employee performance in OPD of Jambi Provincial Government. This type of research is quantitative with data sources used primary and secondary data. Sampling used purposive sampling with a total of 80 respondents. Data collection used a questionnaire and data analysis used multiple linear regression. The results showed that the description of motivation, discipline, work environment and employee performance in OPD of Jambi Provincial Government were each in the strongly agree category. This means that each variable in this study was in the very high or very good category. The results of the analysis showed that partially motivation, discipline and work environment influenced employee performance in OPD of Jambi Provincial Government with a significance value smaller than 0.05 (P <0.05). Furthermore, simultaneously motivation, discipline and work environment also influenced employee performance in OPD of Jambi Provincial Government with an influence of 63.9%. The conclusion is that there is an influence of motivation, discipline, and work environment on employee performance in OPD of Jambi Provincial Government.
Co-Authors Adnan Agusviyanda Ahmad, Rivai Ahmad Ambia Nurdin Badruzzaman Bayu Febriadi Bayu Febriadi, Bayu Budianto, Tenda Bukhari Candra Mustika eko purnomo Fauzan Guntoro, Guntoro Hesmi Susimandri Jaya Kusuma Junaidi Junaidi Lasri Nijal Mahyuddin Maysarah Binti Bakri Miftahul Hasanah Mohd Isa T.Ibrahim Muhammad Muhammad Alfian Abrarry Muliadi MULYADI Murtadhahadi Nabela Alfatia Naya Azzahra Sumantri Nijal, Lasri Nurdin, Ambia Nurholidan Siregar Nuriah Alfisyahri Pratama Putra, Pandu Rahmi, Marlisa Ricky Dear Fitria Rusydi Salahuddin Selamet Rahmadi Siswanto, Didik Sri Ningsih T. Muhammad Isa Ibrahim Teuku Zulfadli Torop Alfredo A Yassir Yoga Fadhlih Sarwono Zahrul Fuadi Zulfikar, Teuku Muhammad