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All Journal Dulang: Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Teknologi Terapan
Reza, Amril
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Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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PENGUATAN ENGINEERING LITERACY SISWA MELALUI KEGIATAN PERAKITAN HYDRAULIC ROBOTIC ARM (HYDRA) DI SDN 21 SUNGAILIAT Pratiwi, Indah Riezky; Mayang Sari, Elisa; Novitasari, Novitasari; Reza, Amril; Akbar, Ilham; Afreza, Nanda
Jurnal Pengabdian Masyarakat Polmanbabel Vol. 4 No. 01 (2024): DULANG : Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/dulang.v4i01.312

Abstract

The lack of activities to strengthen engineering literacy implemented at the elementary school level and the dominant learning carried out using text books are the main factors in the low engineering literacy of elementary school students. This community service activity aims to strengthen the engineering literacy of elementary school students through the Hydraulic Robotic Arm (HydRA) assembly activity at SDN 21 Sungailiiat. Through this activity, it is hoped that it can increase students' knowledge and skills related to engineering literacy, which can be used and developed further to welcome the era of society 5.0. This community service activity is carried out through a series of activities, starting with an initial survey carried out at partner locations, followed by preparing activity plans and creating activity materials, up to the activity implementation stage. This activity took place for one day at SD Negeri 21 Sungailiat and was attended by 26 students of class V A. The activity of strengthening elementary school students' engineering literacy through the Hydraulic Robotic Arm (HydRA) assembly activity at SDN 21 Sungailiiat went well, as seen by the increase in knowledge and skills students related to engineering literacy.
Analisis Pengaruh Penggunaan Arang Aktif Dari Cangkang Melo – Melo (Bailer Shell) Sebagai Media Penurunan Derajat Keasaman Pada Air Limbah Pencucian Timah Dzuljalali, Muhammad; Ary Wahyudie, Ilham; Reza, Amril
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 2 (2024): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v2i2.174

Abstract

Polluted tin washing wastewater can be neutralized using activated charcoal made from clam shells. Clam shells are one of the materials that have a very high CaCO3 (calcium carbonate) content and are very effective in being used as an active charcoal material. Shells that have gone through the combustion process will become CaO (Calcium Oxide) and can become alkaline when dissolved with H2O (water) will produce Ca(OH)2 (Calcium Hydroxide) which is alkaline so that it can increase the pH quality of tin washing wastewater. Activated charcoal which has more open pores due to the combustion process, makes it stronger to absorb acid levels in tin washing wastewater in Air Nyatoh Village. In this study using the Taguchi method with Nominal is Best characteristics, the desired pH is pH 7.5 using matrix L9 (34) with factors namely Activated Charcoal Weight, Activated Charcoal Size, and Settling Time. Activated charcoal in this study uses Melo - Melo Clam Shells (Bailer Shell) that have been activated. After conducting the testing process, water that was originally at pH 4.0 experienced an increase to an average pH of 7.41. This is closer than the desired pH. Based on the calculations in this study, the weight of activated charcoal has an F Value of 23.56 and the size of activated charcoal has a value of 24.28. Both factors are the same - both have an influence on the increase in pH, while the deposition time has a value of 7.0 and has no effect on the increase in pH when measured against the F Table 5%, namely with a value of 19.00.
Co-Authors Afreza, Nanda Dzuljalali, Muhammad Elisa Mayang Sari Ilham Akbar Ilham Ary Wahyudie Indah Riezky Pratiwi Novitasari