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All Journal Nusantara Science and Technology Proceedings Environmental Science and Engineering Conference Proceeding Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Tuhu Agung Rachmanto
Department Of Environmental Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Surabaya, East Java, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences

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Evaluation Of Management And Monitoring Of Ambient Air Quality (TSP, PM10, PM2.5) At Bioethanol Industry : Evaluasi Pengelolaan Dan Pemantauan Kualitas Udara Ambien (TSP, PM₁₀, PM₂.₅) Pada Industri Bioetanol Galang Eigy Hermawan; Afif Rasendriya Haryu; Tuhu Agung Rachmanto
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 10 No. 3 (2026): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36339/je.v10i3.546

Abstract

The bioethanol industry, as one of the renewable energy sectors, has the potential to impact ambient air quality due to production activities, operational processes, and vehicle mobilization. This study aims to evaluate the management and monitoring of ambient air quality based on TSP (Total Suspended Particulate), PM₁₀ (Particulate Matter 10 mm), and PM₂.₅ parameters in the bioethanol industry. A quantitative approach with descriptive analysis was applied through ambient air measurements at four monitoring points, namely the process area, the eastern boundary area near residential settlements, the village residential area, and the access road area. The monitoring results for Semester I and Semester II of 2025 showed that all PM₁₀ and PM₂.₅ parameters were below the quality standards established in Government Regulation of the Republic of Indonesia Number 22 of 2021 Appendix VII. TSP concentrations also complied with the quality standards, although the highest values were found in the access road area and areas near residential settlements due to operational vehicle activities and road dust. In Semester II of 2025, particulate concentrations decreased at all monitoring points. These conditions indicate that environmental management efforts, such as the optimization of Green Open Space (RTH), maintenance of operational equipment, and periodic monitoring, have been sufficiently effective in maintaining ambient air quality around the bioethanol industry.
Analysis of the Settling Ponds Effectiveness in Reducing the Quality of Bauxite Ore Mining Wastewater: Analisis Efektivitas Settling Pond dalam Menurunkan Mutu Air Limbah Tambang Bijih Bauksit Rudy Mohammad Sairuddin; Tuhu Agung Rachmanto; Akmal Dzikri Maulana
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 10 No. 2 (2026): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36339/je.v10i2.509

Abstract

This study aims to evaluate the effectiveness of the Settling Pond (SP) system in reducing the pollutant load of bauxite ore mining wastewater and formulate technical recommendations for optimizing its performance. The evaluation was conducted through analysis of water quality parameters (Total Suspended Solid/TSS, pH, Fe, and Mn) and hydraulic characteristics using Reynolds (Re) and Froude (Fr) numbers. The SP system studied consisted of 10 units with four compartments involving gravity sedimentation processes and the addition of coagulant chemicals. The results of the study showed that the TSS removal efficiency reached 94%, with a decrease in concentration from 1,200 mg/L at the inlet to 120 mg/L at the outlet. Hydraulic conditions showed laminar flow (Re < 500) and subcritical (Fr < 1) which supported the optimal sedimentation process. The effluent quality met environmental quality standards according to applicable regulations. This study confirms that the SP system plays an important role as a water pollution control technology in bauxite mining activities. Optimization of residence time, coagulant dosage adjustment, and routine maintenance are recommended to continuously improve system performance.
Co-Authors Abdul Rahman Hamidi Afif Rasendriya Haryu Akmal Dzikri Maulana Aulia Ulfah Farahdiba Basuki Rahmat Dila Rahmayanti Fawwaz Alifin Nur Firra Rosariawari Galang Eigy Hermawan Geafiata Amalia Nurbaiti Geafiata Amalia Nurbaiti Hariyanto Hariyanto Helmy Widyantara Iwan Wahjudianto Lintang Putri Rafsanjani Minto Waluyo Mohamad Irwan Afandi Mohamad Mirwan Rexy Silvanus Destara Rudy Mohammad Sairuddin