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All Journal INFOKUM JPM: JURNAL PENGABDIAN MASYARAKAT Jurnal VORTEKS Jurnal Al Ulum: LPPM Universitas Al Washliyah Medan Jurnal Pengabdian Mandiri Jurnal Matematika Dan Ilmu Pengetahuan Alam LLDikti Wilayah 1 (JUMPA) JRTI (Jurnal Riset Tindakan Indonesia) Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Edy Syahputra Saragih
Universitas Al-Azhar Medan
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PENENTUAN STANDAR KADAR DIGLISERIDA DALAM PEMBUATAN BIODIESEL DENGAN METODE QUALITY LOSS FUNCTION DI PT X Masdania Zurairah; Edy Syahputra Saragih; Rahmad Rezeki; Misdawati Misdawati
Jurnal Al Ulum LPPM Universitas Al Washliyah Medan Vol. 10 No. 1 (2022): Jurnal Al Ulum
Publisher : UNIVERSITAS AL WASHLIYAH (UNIVA) MEDAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (896.255 KB) | DOI: 10.47662/alulum.v10i1.184

Abstract

Perusahaan PT X menghasilkan biodiesel yang berasal dari bahan baku minyak kelapa sawit. Proses untuk mendapatkan biodiesel melalui tahapan proses pemurnian, transesterifikasi dan kemudian menghasilkan produk metil ester atau biodiesel. Hasil biodiesel yang diperoleh merupakan reaksi antara (minyak nabati) dengan senyawa kimia methanol dengan bantan katalis. Perusahaan PT X dalam hal ini menetapkan standar bahan baku salah satu adalah kadar digliserida maksimum 0,2%. Data kadar digliserida perusahaan PT X menunjukkan kadarnya diatas 0,2 %, dengan jumlah produk yang outspec sangat banyak sehingga hal ini menunjukkan adanya sistem produksi yang bermasalah. Kerugian kualitas atau Quality Loss Function, ini disebabkan kerusakan dalam tahap proses pembuatannya, yang akan mengalami kerugian berupa material, waktu, dan energi. Hasil perhitungan quality loss function untuk produk yang mengalami kerusakan sebanyak 22816 ton.
Comparison Of Thermo Gravimetric Characterization Of Active Carbon Analyzer Rice Husk With Rice Husk Implementation Zurairah, Masdania; Saragih, Edy Syahputra; Misdawati, Misdawati
Jurnal Matematika Dan Ilmu Pengetahuan Alam LLDikti Wilayah 1 (JUMPA) Vol. 1 No. 2 (2021): September: Mathematics and natural science
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah I Sumatra Utara (LLDikti I)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54076/jumpa.v1i2.176

Abstract

Research has been done on rice husks. Rice husk is carried out in the carbonization process which is then carried out by the activation process. Furthermore, from the activation process, the impregnation process is carried out. Characterization using a thermo gravimetric analyzer (TGA) showed that the residue of impregnation of rice husk activated carbon was 61.83% and rice husk activated carbon was 89.72%.
Desain dan pembuatan alat uji pompa sentrifugal skala laboratorium Siregar, Zufri Hasrudy; Mawardi, Mawardi; Siregar, Roswani; Soaloon, Humala Raja; Saragih, Edy Syahputra; Refiza, Refiza; Simorangkir, Simon Petrus
Jurnal VORTEKS Vol. 4 No. 1 (2023): April 2023
Publisher : Program Studi Teknik mesin, Fakultas Teknik, Universitas Al Azhar Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54123/vorteks.v4i1.268

Abstract

Pompa merupakan alat yang sering digunakan di kehidupan baik untuk keperluan rumah tangga maupun industri dimana fungsinya tidak hanya untuk memindahkan air namun untuk keperluan yang lebih kompleks. Pompa jenis sentrifugal banyak digunakan karena lebih mudah pengoperasiannya dan perawatannya. Tujuan penelitian ini adalah mendesain alat uji pompa sentrifugal dimana dikombinasikan dengan jenis seri dan paralel. Dari pengujian didapat hasil Pompa seri dan paralel dengan variasi bukaan katub yang dilakukan yaitu antara lain, bukaan katub 15%,30%,45%,60%, dan75% didapatkan hasil dari setiap bukaan katub untuk head (H) yaitu : 15% = 20,45 m, 30% = 25,02 m, 45% = 26,58 m, 60% = 28,12 m,75% = 29,2 m. dimana dari variasi bukaan katub untuk efisiensi headnya lebih baik pada bukaan katub 75%
Optimalisasi Proses Produksi dan Manajemen Usaha Dalam Rangka Peningkatan Produktivitas Laundry Zaharuddin, Zaharuddin; Nurjamiyah, Nurjamiyah; Saragih, Edy Syahputra
JPM: Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2025): October 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v6i2.2636

Abstract

Deli Serdang is a regency located in North Sumatra Province. One of the villages in Deli Serdang Regency is Tembung Village. Based on the available resources in Deli Serdang, especially in Tembung Village, there is great potential for business development. One of the businesses in Tembung Village is a laundry service business that was started in 2018 by Mr. Ahmad. Based on the results of a survey that has been conducted, the proponent has designated Mr. Ahmad's laundry business group as a partner. The proponent and the partner have agreed on several issues that have been faced by the partner, including the drying stage, which takes a long time due to limited equipment. Until now, the drying process has been inadequate, still relying on traditional drying methods, namely sunlight. Electric irons use heating elements on metal plates directly. This has many shortcomings, especially in terms of quality. It can damage certain clothes, such as burning or shining clothes. This is usually because the electric iron used is too hot. Thirdly, laundries still use manual record-keeping methods such as notebooks, so that data is not integrated in real time. In general, profit and loss calculations, financial reports, and clothing inventory records are still done on paper. The objectives of this PKM activity are to provide information, training, and assistance to partners on: 1) Making clothes dryers; 2) Making steam-based clothes ironing tools; 3) Creating a Laundry Management Web Application. The targeted outcomes of this Community-Based Empowerment Program are: 1) Increased production process efficiency with the use of drying machines and steam irons, as partners will have the knowledge to use these machines, thereby helping them speed up the drying process and eliminating the need for tedious sun drying. Clothes are ironed faster, neater, and free from the risk of damage; 2) With the laundry management software, partners have knowledge of how to use the application, namely profit and loss calculations, financial reports, and data collection on clothes coming in and out. Scientific articles will be published in the form of accredited journals and publications in online media and videos of Community-Based Empowerment Activities.
Penggunaan bor mesin dengan sistem kontrol elektropnumatik guna peningkatan efisiensi kerja di industri Muammar Alfin Sagala; Zufri Hasrudy Siregar; Edy Syahputra Saragih; Mawardi Mawardi; Andri Ramadhan
JRTI (Jurnal Riset Tindakan Indonesia) Vol. 10 No. 1 (2025): JRTI (Jurnal Riset Tindakan Indonesia)
Publisher : IICET (Indonesian Institute for Counseling, Education and Therapy)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/30036242000

Abstract

Tujuan penelitian ini yaitu menganalisis pengaruh variasi putaran terhadap laju pengeboran pada mesin bor dengan kontrol elektropneumatik dan mengkaji pengaruh alir udara terhadap laju pengeboran pada sistem yang sama. Metode yang digunakan dalam penelitian ini yaitu eksperimental dan analisis pengaruh kecepatan mesin terhadap debit udara dan waktu rata-rata, dimana alat yang digunakan dalam penelitian ini yaitu mesin gergaji dan las listrik dengan bahan adalah plat besi galvanis dengan tebal 4 mm. Keterbaruan penelitian ini yaitu mencari pengaruh kecepatan, waktu dan debit udara dalam aplikasi mesin bor, hasil yang didapt dalam penelitian ini yaitu pada saat pengeboran pada variasi putaran (1 putaran, 2,5 putaran, 4 putaran, 5,5 putaran, 7 putaran, 8,5 putaran) diperoleh waktu masing-masing 4,27 dtk, 2,52 dtk, 1,64 dtk, 1,54 dtk, 0,82 dtk, 0,75 dtk dan semakin besar variasi putaran (8,5 putaran) yang dipakai maka semakin tinggi kecepatannya (0,0466 m/dtk) dan semakin besar debit udara (7,272 ltr/mnt) yang digunakan.
PEMBUATAN UMKM CENDOL KUE TIMPAN DAN MARTABAK TELOR DI PONDOK PESANTREN Masdania Zurairah; Margie Subahagia Ningsih; Refiza Refiza; M. Fiza Lubis; Sanco Simanullang; Muhammad Said; M. Fazri Pasaribu; Edy Syahputra Saragih
JURNAL PENGABDIAN MANDIRI Vol. 5 No. 7 (2026): Juli 2026
Publisher : Bajang Institute

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

Abstract

Kegiatan pengabdian masyarakat oleh dosen Universitas AL Azhar dalam pembuatan kue timpan, martabak goreng dan cendol  ini dilakukan di Pondok Pesantren Darul Muttaqin Deli Serdang. Pelaksanaan pengabdian ini dilakukan agar anak santri  mempunyai jiwa pengembangan diri dalam hal ke  wirausahaan atau dapat juga untuk pengembangan dan pendekatan pada masyarakat pada saat pengabdian,  setelah selesai hapalan 30 juz. Dalam pembuatan kue timpan, martabak goreng dan cendol   bahan yang digunakan sangat sederhana yaitu tepung roti, gula aren, santan kelapa, wartel, kentang, udang kecepe, telur, santan, daun pandan, daun pisang, nangka dan minyak goreng. Tepung yang digunakan terlebih dahulu diayak agar hasilnya bebas dari butiran yang kasar, sehingga dihasilkan tepung halus. Gula yang digunakan adalah gula  aren yag dipotog kecil kecil agar mudah larut  dan untuk melarutkan   gula digunakan air dan disaring. Digunakan kelapa yang sedang tuanya lalu diambil santannya. Sepuluh lembar daun pandan ditumbuk halus dan ditambah air lalu disaring airnya. Tepung, ditambah air daun pandan dimasak sampai kental lalu ditiriskan dalam saringan yang dikumpul dalam panci yang ada es batunya. Hasil ini adalah untuk mendapatkan cendol. Nangka, kelapa parut digunkakan untuk kue timpan. Sedangkan untuk martabak goreng digunakan isinya tumisan kentang, wartel dan udang kecepe. Anak santri lebih menyukai martabak telor goreng dibanding kue timpan. Sedangkan es cendol anak santri menyukai sebanyak 100 %. Martabak telor 100% dan kue timpan 70%.
Optimization of Automatic Pressure Valve System Based on Sensors and Microcontroller For Industrial Secondary Water Tank Edy syahputra saragih; Andri Ramadhan
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i04.2922

Abstract

The efficiency and reliability of water distribution systems in industrial environments are highly dependent on the stability of water pressure within secondary water tanks. This study presents the design and optimization of an automatic pressure valve system based on pressure sensors and a microcontroller to regulate and maintain stable pressure levels in an industrial secondary water tank. The system utilizes real-time data from pressure sensors to control the opening and closing of an electric valve through a programmed microcontroller, ensuring responsive and adaptive performance. A PID (Proportional-Integral-Derivative) control algorithm is implemented to fine-tune the valve actuation, thereby reducing pressure fluctuations and improving overall system efficiency. Experimental testing was conducted under various load conditions to evaluate system responsiveness, accuracy, and energy consumption. Results show that the optimized control system significantly improves pressure stability, reduces manual intervention, and enhances operational reliability. This research contributes to the advancement of smart fluid control technologies in industrial applications, promoting more sustainable and automated water management systems.
Pengaruh Tekanan Hidrolik dan Suhu Oli Meditran SAE 10W terhadap Kinerja Pompa Excavator Caterpillar 320C Afiqah Nuridan; Zulfan Zulfan; Edy Syahputra Saragih
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 6 No. 1 (2026): Maret : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v6i1.10968

Abstract

Excavators are essential heavy equipment for various field projects, such as construction, mining, and plantations. One type of excavator widely used in various sectors is the Caterpillar 320C. This study aims to determine the effect of hydraulic pump pressure on vital components in heavy equipment, particularly excavators. A critical component in this system is the hydraulic pump, which generates fluid pressure to drive the actuator. This study also aims to analyze the effect of hydraulic pressure and fluid temperature (using Meditran SAE 10 oil) on hydraulic pump performance in a Caterpillar 300C excavator. The method used in this study was an experiment, testing the pump at various fluid pressures and temperatures. Observed parameters included flow rate and pump efficiency. Test results showed that the optimal pressure was in the range of 200–220 bar, with fluid temperatures not exceeding 60°C. Excessive increases in temperature and pressure lead to decreased efficiency and flow rate, as well as increased risk of component wear.
Co-Authors Afiqah Nuridan Andri Ramadhan Jayawarsa, A.A. Ketut M. Fazri Pasaribu Margie Subahagia Ningsih Mawardi Misdawati Misdawati Misdawati, Misdawati Muammar Alfin Sagala Muhammad Fiza Lubis Muhammad Said Nurjamiyah, Nurjamiyah Raden Mohamad Herdian Bhakti Rahmad Rezeki Ramadhan, Andri Refiza Refiza Refiza, Refiza Roswani Siregar Sagala, Muammar Alfin Simanullang, Sanco Simorangkir, Simon Petrus Siregar, Masdania Zurairah Siregar, Zufri Hasrudy Soaloon, Humala Raja Zaharuddin Zaharuddin Zulfan Zulfan