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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Suardi
Universitas Tjut Nyak Dhien
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Social Sciences Other

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ANALYSIS OF NPSH INFLUENCE ON PROGRESSIVE CAVITY PUMP PERFORMANCE FOR SUSTAINABLE SLUDGE TRANSFER IN PALM OIL MILL LAND APPLICATION SYSTEMS Fadlah Kaumenni Sinurat; Hendra Susilo; Suardi
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 5 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i5.4420

Abstract

In palm oil mill land application systems, the efficiency of slurry transfer from aerobic ponds to plantation channels is highly influenced by pump suction performance. This study aims to analyze the suction capability of the Progressive Cavity Pump based on the relationship between the available Net Positive Suction Head (NPSHa) and the required NPSH (NPSHr). Field measurements and calculations were conducted at pond depths ranging from −1 m to −5 m to evaluate pump performance under negative suction conditions. The results indicate that the NPSHa values consistently exceed the NPSHr value of 2.56 m across all tested depths. Specifically, at −1 m depth, NPSHa reached 8.12 m with a margin of 5.56 m, while at −5 m depth, NPSHa remained at 4.12 m with a margin of 1.56 m. The increasing NPSHa–NPSHr margin with shallower suction depths demonstrates that the PCP effectively avoids cavitation and maintains stable operation even under high negative suction pressure. The findings indicate that the PCP provides reliable and energy-efficient performance for transferring aerobic sludge in palm oil mill LA systems. Consequently, the PCP demonstrates significant potential as a superior and sustainable alternative to centrifugal pumps in organic sludge management and liquid fertilizer distribution.
Hazard analysis and risk control in industrial building construction work: A review article Ahmad Zainurrosidin Widya Pratama; Heri Wardana; Mulia; Din Aswan Amran Ritonga; Suardi; Achmad Jusuf Zulfikar
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 12 No 2 (2025): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v12i2.1598

Abstract

Industrial building construction activities are widely regarded as high-risk operations due to the complexity of tasks and the involvement of various hazardous elements. Workers are frequently exposed to dangers such as falling from heights, being struck by moving or falling objects, electrical hazards, exposure to toxic substances, and musculoskeletal strains. These risks necessitate a systematic and comprehensive approach to hazard identification and risk control to ensure worker safety and operational continuity. This review article aims to synthesize relevant scientific literature published between 2018 and 2024 from reputable databases such as Scopus and Sinta, focusing on the identification of workplace hazards, methods of risk analysis, and implementation of effective mitigation strategies. The narrative review method was employed to gather and analyze findings from 28 selected studies that met predefined inclusion criteria. Results indicate that structured risk assessment tools—such as Hazard Identification Risk Assessment and Determining Control (HIRADC), Job Safety Analysis (JSA), and bowtie analysis—combined with the application of ISO 45001-based Occupational Health and Safety Management Systems (OHSMS), contribute significantly to minimizing accident rates. The review emphasizes the importance of integrating technical measures, administrative controls, and continuous safety training to develop a resilient and safety-oriented work culture in the industrial construction sector.
Design and structural analysis of a 100 kg/h palm frond shaving machine using SolidWorks Dicky Septri Anugrah; Achmad Jusuf Zulfikar; Ibnu Hajar; Suardi
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 13 No 1 (2026): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK- Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v13i1.1755

Abstract

This study presents the design and structural analysis of a palm frond shaving machine with a production capacity of 100 kg/hour, aimed at improving the efficiency of the traditional manual process used by craftsmen. The manual method is time-consuming and labor-intensive, limiting production to approximately 2 kg/hour. To address this issue, a mechanical design was developed using SolidWorks 2017 software. The research involved consumer surveys to identify user requirements, followed by concept generation, technical and economic evaluation, and simulation analysis of the selected design. Among three design variants, the second concept—featuring a stone grinder cutter system, UNP steel frame, V-belt transmission, and gasoline engine—was selected as optimal based on combined technical and economic scores. Structural simulation results indicate that the frame, made from UNP 50 steel profiles, exhibits acceptable stress, displacement, and safety factor levels under an applied load of 10 kg. This study offers a viable solution for small-scale industries to process palm fronds into usable sticks efficiently. Future work may include prototype development and extended performance testing. The machine’s application is expected to contribute to local economies by utilizing agricultural waste and increasing the production of palm stick-based handicrafts.
Co-Authors Achmad Jusuf Zulfikar Ahmad Zainurrosidin Widya Pratama Dicky Septri Anugrah Din Aswan Amran Ritonga Fadlah Kaumenni Sinurat Heri Wardana Ibnu Hajar Mulia Susilo, Hendra