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All Journal Jurnal Polimesin Taawun: Jurnal Pengabdian kepada Masyarakat
Enni Sulfiana
Politeknik ATI Makassar
Religion Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Education Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Sosialisasi Pengolahan Limbah Sekam Padi Menjadi Bahan Bakar Alternatif pada IKM Penggilingan Padi Dwi Setyorini; Achmad Qodim Syafaatullah; Muh Setiawan Sukardin; Enni Sulfiana; Iman Pradana A. Assagaf; Angger Bagus Prasetiyo
TAAWUN Vol. 3 No. 02 (2023): TA'AWUN AUGUST 2023
Publisher : Pusat Penelitian Pengabdian Pada Masyarakat Sekolah Tinggi Ilmu Tarbiyah Al-Fattah Siman Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37850/taawun.v3i02.505

Abstract

Waste is a by-product that is produced in almost all industries, as well as in rice milling SMEs. The waste produced by IKM calling rice is rice husk. At this time rice husk waste is only sold at very cheap prices to other IKM. Whereas rice husk can be processed into various products, one of which is briquettes as an alternative fuel from biomass. Where briquettes are quite in demand by some people so that the selling price is also higher and the method of manufacture is quite easy. Therefore, the purpose of this community service is to provide socialization regarding the use of rice husk as an alternative fuel. The activity was carried out at rice milling IKM in Gowa district, with a total of 17 participants. Activities are divided into four stages including planning, preparation, implementation and evaluation. Planning and preparation is carried out with site surveys and interviews with partners regarding any problems encountered. At the implementation stage, participants received material exposure regarding the dangers of waste utilization and procedures for processing rice husks into briquettes, and submitted briquettes that had previously been made on campus as a reference. Furthermore, the evaluation stage is carried out through filling out questionnaires which are distributed during the implementation process. The target of carrying out this activity is that partners know the process of processing rice husk waste into a product that has high selling value in the form of briquettes.
Design and development of a microcontroller-based automatic wet scrubber system for welding smoke control using CO and gas indicator sensors Jufri Jufri; Enni Sulfiana; Saktiani Karim; Muhammad Ridwan Anwar; Rival Alviansyah; Bintang Jayakusuma; Yuda Agung Wirawan
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.8225

Abstract

Welding workshops are one of the work environments with a high potential for air pollution due to welding smoke containing heavy metal particles and hazardous gases such as Carbon Monoxide (CO). This research aims to design and build a wet scrubber-based welding smoke cleaning device that works automatically using a gas sensor and a microcontroller system. This system consists of an exhaust fan, a diaphragm pump, a drum filter containing activated charcoal and stone, and MQ-2 and MQ-7 sensors that detect smoke. The system automatically activates when hazardous gases are detected. System calculations show an air flow rate of 258.84 m³/hour and a pump water flow rate of 0.00208 m³/minute. This device was designed with space efficiency, low power consumption (90 W), and ease of maintenance in mind. Each experimental condition was tested for 10 minutes and repeated three times. MQ-2 and MQ-7 sensor readings were recorded at 1- second intervals. The inlet (Cin) and outlet (Cout) values were obtained from the average stabilized sensor readings measured before and after the activation of the wet scrubber system. The experimental results showed that the proposed system achieved relative reductions of up to 19.41% for smoke indicator readings and 17.55% for CO readings at full water flow rate, while reductions of 13.69% (smoke) and 15.28% (CO) were observed at half water flow rate. These results are based on sensor-based relative measurements and indicate the practical performance of the prototype system. This research is expected to provide a practical solution for maintaining air quality in small to mediumscale welding workshops.
Co-Authors Achmad Qodim Angger Bagus Prasetiyo Bintang Jayakusuma Iman Pradana A. Assagaf Jufri Jufri Muh. Setiawan Sukardin Muhammad Ridwan Anwar Rival Alviansyah Saktiani Karim Setyorini, Dwi Yuda Agung Wirawan