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All Journal INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Industri Terintegrasi (JUTIN) Journal of Innovative and Creativity
Parmanoan, Durain
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Analisis Kualitas Raw Mix dan Optimasi Raw Mill Unit 5 R2 Produksi di PT. Semen Padang Indarung V Fithry, Dwi Annisa; Parmanoan, Durain; Emal, Dini Aulias Sari; Rahmad, Alfein; Batubara, Riski Pathia Mulia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.42507

Abstract

In making cement, of course, it has to go through processes that the factory. One of the processes in making cement is grinding and drying raw materials, namely the Raw Mill. Raw Mill is the initial stage in making Raw Mix where in the Raw Mill milling, drying, mixing, and separating materials such as limestone, silica, clay, and iron sand occur. Raw Mix is the main ingredient in making clinker which is the main raw material in making cement. The quality of the Raw Mix is very influential in making cement. Where in the process of making this Raw Mix there are changes in quality. Therefore, researchers want to know the main problems that exist in the differences in the quality of different Raw Mixes. In this case, researchers found several problems, including the quality of the raw materials in storage which was not good, then there were problems in the Raw Mill itself, where there were several inner mill parts that were experiencing wear and tear and had to be replaced. After being replaced, the quality of the Raw Mix is obtained which meets the standards and the total balance value of the Mass Balance is 606124.31 tonnes/hour and the total heat lost is 0.071 KJ.
Evaluasi Karakteristik Biodiesel dari Minyak Jelantah: Studi Penggunaan Katalis Asam Ilham, Muhammad; Primandari, Sri Rizki; Fernanda, Yolly; Parmanoan, Durain
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.4422

Abstract

Penelitian ini bertujuan untuk mengevaluasi pengaruh variasi suhu dan waktu reaksi terhadap kualitas biodiesel dari minyak jelantah dengan menggunakan katalis asam sulfat (H₂SO₄). Evaluasi dilakukan dengan membandingkan hasil pengujian parameter fisik biodiesel terhadap standar mutu biodiesel SNI 7182:2015. Metode penelitian menggunakan eksperimen laboratorium dengan variasi suhu 50°C, 60°C, dan 70°C, serta waktu reaksi 60, 80, dan 100 menit. Parameter yang diuji meliputi bilangan asam, densitas, dan viskositas. Hasil penelitian menunjukkan bahwa suhu dan waktu reaksi memberikan pengaruh signifikan terhadap kualitas biodiesel yang dihasilkan. Kondisi optimum diperoleh pada suhu 60°C dan waktu reaksi 60 menit, menghasilkan biodiesel dengan bilangan asam 0,561 mg KOH/g, densitas 883,28 kg/m³, dan viskositas 3,007 cSt.. Semua hasil tersebut memenuhi batas mutu biodiesel berdasarkan SNI 7182:2015.
Automatic Pre-Starting of Oil-Waste Fueled Stove Based on Microcontroller and HMI Risfendra, Risfendra; Pulungan, Ali Basrah; Parmanoan, Durain; Prayoga, Noval
invotek Vol 25 No 2 (2025): INVOTEK: Jurnal Inovasi Vokasional dan Teknologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/invotek.v25i2.1271

Abstract

The utilization of waste oil as an alternative cooking fuel is limited by its complex ignition process, which requires preheating to reduce viscosity and ensure stable combustion. Conventional methods, such as burning tissue paper, are unsafe, inefficient, and impractical, hindering broader adoption. This study presents the development of an automatic preheating system for waste oil stoves using an ESP32 microcontroller and HMI with TFT LCD display. The system integrates a thermocouple sensor for accurate real-time temperature monitoring and an automatic cut-off mechanism to halt fuel supply during ignition failure, and includes a buzzer for audible alarms during safety shutdowns to improving operational safety. The ignition sequence employs LPG as a preheater before automatically switching to waste oil at the optimal temperature, with programmed control of the blower, igniter, and valves. Experimental results showed thermocouple measurement accuracy with an average error of 4% and high reliability in fuel transition, except at low initial temperatures (31°C and 42°C) where insufficient heating time resulted in high viscosity and transition failure. The safety system effectively prevented hazards, while the HMI provided precise control and monitoring of actuators and combustion conditions. Overall, the proposed system enhances the safety, reliability, and practicality of waste oil stoves and demonstrates potential for industry innovation and renewable energy applications. Nevertheless, the system still requires LPG for the preheating stage and continuous electrical power, which can reduce effectiveness and make it harder to use in mobile or areas without electricity.
PENINGKATAN KAPASITAS PETERNAK AYAM KUB MELALUI PELATIHAN PEMBUATAN PAKAN FERMENTASI BERBASIS BAHAN LOKAL UNTUK KETAHANAN PANGAN BERKELANJUTAN Annisa, Annisa; Suzana, Rita; Parmanoan, Durain; Elisia, Rini
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 9, No 1 (2026): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v9i1.%p

Abstract

Permasalahan utama yang dihadapi dalam kegiatan peternakan rakyat adalah tingginya biaya pakan yang dapat mencapai 60–70% dari total biaya produksi. Kondisi ini seringkali menjadi kendala utama dalam keberlanjutan usaha peternak skala kecil. Salah satu solusi yang dapat diterapkan adalah pemanfaatan bahan lokal dengan teknologi fermentasi sehingga dihasilkan pakan alternatif yang lebih murah namun tetap bergizi. Kegiatan pengabdian ini bertujuan meningkatkan kapasitas dan keterampilan peternak melalui pelatihan pembuatan pakan fermentasi. Metode pelaksanaan dilakukan dengan penyuluhan, demonstrasi praktik langsung, serta pendampingan teknis agar peternak mampu menerapkannya secara mandiri. Kegiatan dilaksanakan bersama kelompok tani muda berkarya di Jorong Batu Balang, Nagari Limo Koto, Kecamatan Koto VII, dengan jumlah peserta sebanyak 25 orang. Hasilnya, pengetahuan dan keterampilan peternak meningkat signifikan, terutama dalam memanfaatkan bahan lokal seperti dedak padi, daun singkong, ampas kelapa, dan tepung cangkang telur. Evaluasi pretest dan posttest menunjukkan peningkatan pemahaman sebesar 35%. Kegiatan ini berkontribusi terhadap penguatan kemandirian pakan sekaligus mendukung ketahanan pangan berkelanjutan di tingkat peternak rakyat
Pembuatan Arang Aktif dari Pelepah Sawit Menggunakan Aktivator H2SO4 sebagai Adsorben untuk Pemurnian Air Sungai Siak Fithry, Dwi Annisa; Nabila, Roida; Ermal, Dini Aulia Sari; Rahmi, Viona Aulia; Jusnita, Jusnita; Parmanoan, Durain
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.53455

Abstract

Oil palm fronds are an agricultural waste with potential application as a raw material for activated carbon due to their lignocellulosic content, which includes cellulose, hemicellulose, and lignin, enabling their function as an adsorbent. In this study, oil palm fronds were carbonized by pyrolysis at a temperature of 350°C, size-reduced to 100 mesh, and subsequently activated using a 0.1 M H₂SO₄ solution for 3 hours, then drying by oven at 70°C. 100 mL of the Siak River sample was added with 3 grams of activated carbon for the adsorption process, then shaken every 20 minutes for 3 hours. Turbidity analysis was conducted using a turbidimeter. The results indicated that the lowest turbidity values were obtained in the morning, namely 16.8 NTU at the upper section and 21.7 NTU at the lower section. This is attributed to the minimal level of community activities around the Siak River during the morning period. 
Co-Authors Ali Basrah Pulungan Annisa Annisa Batubara, Riski Pathia Mulia Dini Aulia Sari Ermal Elisia, Rini Emal, Dini Aulias Sari Fernanda, Yolly Fithry, Dwi Annisa Jusnita Jusnita, Jusnita Muhammad Ilham Nabila, Roida Prayoga, Noval Primandari, Sri Rizki Rahmad, Alfein Rahmi, Viona Aulia Risfendra, Risfendra Suzana, Rita