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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) AMMA : Jurnal Pengabdian Masyarakat
Hirzi Ashka Mazzaya
Sekolah Tinggi Teknologi Migas Balikpapan
Humanities Chemistry Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing

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Pengaruh Demonstrasi Terhadap Kesadaran Energi Biogas Siswa SMPN 13 Balikpapan Mardiana; Meira Putri Maharani; Inggrid Angelina Ansek; Hirzi Ashka Mazzaya; Arvel Zeva Fabian Dzulfikar; Arya Cakra Okta Nugraha; Algi Setiawan; A’am Putra Satria Harryrossa; Abdul Gafar Karim; Aprilino Alfa Kurmasela
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 11 : Desember (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

This Community Service Program (KKN) activity focused on assessing the effectiveness of biogas technology socialization as a follow-up to the construction of low-cost biogas installations using plastic water tanks in Teritip Village, RT 14. The dissemination was carried out at SMP Negeri 13 Balikpapan through interactive counseling methods, which included showing a video demonstration of the installation's flame and conducting a quiz with prizes to increase student engagement. The KKN team also provided a guidebook as feedback to the school on the use of organic waste in the school environment. The activity was evaluated through a questionnaire filled out by 28 students. The results showed that 53.6% of students achieved the highest level of understanding (score 5) about how biogas works, and 82.1% expressed interest in learning more. These findings confirm that an educational approach combining visual demonstrations and active interaction is effective in improving energy literacy and encouraging student interest in renewable energy technology.  Translated with DeepL.com (free version).
Optimasi Konsentrasi Retarder Lignosulfonate terhadap Thickening Time dan Compressive Strength pada Sistem Lightweight Cement Sumur Gas Dangkal Hirzi Ashka Mazzaya; Felita Tsany Pandya
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.60976

Abstract

Shallow gas well cementing risks gas migration and lost circulation due to low fracture gradients. This laboratory study analyzes Lignosulfonate retarder concentration effects on the thickening time and compressive strength of a 11.67 ppg Class G-Hollow Glass Spheres (HGS) slurry. Dynamic testing utilized an HPHT Consistometer (BHCT 142°F, 2,845 psi), and static testing used an Ultrasonic Cement Analyzer (BHST 169°F) for 24 hours. Results established Formula C (0.14 GPS) as the optimum formulation, recording a thickening time of 4 hours 4 minutes 30 seconds, within the safe 4.0–4.5 hour pumping window. Formula C yielded a 24-hour compressive strength of 2,525 psi, exceeding the ≥ 2,000 psi field target while safely fitting the 10.50–12.50 ppg slurry window. Furthermore, the slurry demonstrated responsive hydration by reaching an initial strength of 500 psi within 6 hours 12 minutes, effectively improving zonal isolation and mitigating shallow gas migration risks. 
Co-Authors Abdul Gafar Karim Algi Setiawan Aprilino Alfa Kurmasela Arvel Zeva Fabian Dzulfikar Arya Cakra Okta Nugraha A’am Putra Satria Harryrossa Felita Tsany Pandya Inggrid Angelina Ansek Mardiana Meira Putri Maharani