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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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Intelligent Fishcarelab System (IFS) for Remote Monitoring of Koi Fish Farming System Tuhu Agung Rachmanto; Minto Waluyo; Mohamad Irwan Afandi; Basuki Rahmat; Helmy Widyantara; Hariyanto Hariyanto
Nusantara Science and Technology Proceedings International Seminar of Research Month Science and Technology in Publication, Implementation and Co
Publisher : Future Science

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Intelligent Fishcarelab System (IFS) is designed as online monitoring fish farming system. IFS hardware consists of mechanical and electronic systems. Mechanical system consists of water tanks and piping systems. While the electronic system comprises sensors temperature, pH and Dissolve Oxygen (DO). These sensors include signal conditioning circuit. Furthermore, by using Analog to Digital Converter (ADC) module the data can be read by the microcontroller circuit. Microcontroller circuit is assigned to conduct sensor readings and sends data to the server to inform water conditions. IFS in the operating system hardware requires microcontroller-based software and web-based software for monitoring water quality and feeding automatically and scheduled. Furthermore, this system apart can work directly in the area of fish farming can also be monitored remotely using an Internet connection.
Suspended Organic Removal by Electrocoagulation Process Firra Rosariawari; Iwan Wahjudianto; Tuhu Agung Rachmanto
Nusantara Science and Technology Proceedings International Seminar of Research Month Science and Technology in Publication, Implementation and Co
Publisher : Future Science

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Electrocoagulation is an electrolysis process with the aimed of destabilizing suspensions, emulsions, and solutions containing contaminants. The process was to connect the direct current (DC) through the water to become flok that it was easily separated. This electrocoagulation process required an electrolyte solution and an electrode. Batik wastewater was used as an electrolyte solution and Aluminium as the electrode. The mechanism of the coagulation process for reducing organic suspension was, on an electrolyte in this case was batik wastewater placed two Aluminium electrodes (cathode and anode) and connect it to the direct current, so it’s called electrochemical process. This research aimed to treat wastewater batik by using electrocoagulation process in eliminating of suspended organic. This was due to the fact that wastewater was generally alkaline and has high organic matter and high suspended solids. Suspended solid produced in the process of preparation. Based on the electrocoagulation process, the treatment variables in this research are, variations of current strength are 1, 2, 3, 4 and 5 Ampere and contact time are 60,90,120,150 and 180 minutes. While other influential factors were as a fixed variable. The specified variables were the thickness of the plate and the distance between the plate, the temperature according to the ambient temperature. In this research, the optimum removal of Tss and COD at the largest electric current was 5 A and at 180 minutes of detention time. Removal percentage of Tss reached 94.87% while COD removal reached 93.19%.
Electrocoagulation Process to Reduce Microplastic in Wonokromo Surface Water Firra Rosariawari; Tuhu Agung Rachmanto; Mohamad Mirwan; Dila Rahmayanti
Nusantara Science and Technology Proceedings 2nd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

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The abundance of microplastics in Surabaya's surface water can disrupt the sustainability of river ecosystems and harm humans because most of the raw water used by the people of Surabaya comes from surface water. Microplastics less than 5µm in size contain harmful chemicals such as Polychlorinated Biphenyls (PCBs) and are toxic. One alternative treatment is to reduce the levels of microplastics in the electrocoagulation process. Electrocoagulation is the process of clotting and deposition of fine particles in water using electrical energy. Microplastics contained in the water are removed through flocculation and deposition processes. This study aims to determine the effectiveness of the electrocoagulation process on reducing microplastic levels. The variables of this experiment are the distance of the electrodes (1.5 cm, 2 cm; 3 cm, and 5 cm), and the detention time (15 minutes, 25 minutes, 30 minutes, 45 minutes). This research was set up by using a reactor with a volume of 5 liters and a settling time of 30 minutes.
Cleaner Production Strategy As A Supporting Analysis of Environmental Impact on Drinking Water Treatment Process Using Life Cycle Assessment Approach Aulia Ulfah Farahdiba; Geafiata Amalia Nurbaiti; Tuhu Agung Rachmanto
Nusantara Science and Technology Proceedings 2nd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

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The Drinking Water Treatment Plant has an impact on the environment due to its production process. This emerging impact can be studied strategically by carrying out the concept of cleaner production. Cleaner production is an integrated environmental management effort in a series of product life cycles. The output of this concept is to provide alternative management that is environmentally friendly. The principle of cleaner production is in line with the Life Cycle Assessment. This study examines data on drinking water treatment plants to provide certainty before being analyzed using Life Cycle Assessment (LCA). LCA is an approach method that can be used to identify and analyze environmental impacts resulting from all stages of the product life cycle to know which parts have the greatest impact on the environment.
ANALISIS RESIKO KESELAMATAN KERJA DENGAN METODE HAZARD IDENTIFICATION, RISK ASSESMENT AND RISK CONTROL (HIRARC) PADA WWTP DAN LABORATORIUM PT.SIER, SURABAYA Tuhu Agung Rachmanto; Fawwaz Alifin Nur
Prosiding ESEC Vol. 2 No. 1 (2021): Seminar Nasional (ESEC) 2021
Publisher : Prosiding ESEC

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Menurut PPNo.50 tahun 2012 tentang sistem manejemen kesehatan dan keselamatan kerja, setiap perusahaan harus menerapkan SMK-3 agartercipta tempat kerja aman, dan meminimalisir resiko kecelakaan kerja. PT.SIER Surabaya, belum menerapkan SMK-3 pada perusahaannya. Oleh karena itu diadakannya perencanaan SMK-3 diPT SIER untuk mengurangi resiko terjadinya kecelakaan kerja pada WWTP, Laboratorium. Tujuan penelitian ini merencanakan SMK-3 pada WWTP, Laboratorium untuk mengetahui potensi bahaya beserta pengendalian resiko. Metode perencanaan berdasarkan PP No50 tahun 2012 untuk merencanakan SMK-3, kemudian menggunakan metode HIRARC untuk mengetahui potensi bahaya, pengendalian resiko kecelakaan. Hasil penelitian identifikasi potensi bahaya tertinggi-terendah berturut-turut pada aktivitas yang dilakukan di WWTP dan Laboratorium adalah Pembersihan rutin disumur pengumpul, Sampling primery settling tank, Sampling bak oxidationditch, Pengoperasian alat dirumah pompa, Sampling kolam indicator, Pengurasan lumpur pada bak floting tank, Aktivitas diruang asam, Titrasi, Penuangan reagen, Penuangan sampel, Analisia TSS, Analisia SS. Kemudian pimpinan melakukan peninjauan ulang, melaksanakan prosedur yang dibuat dan melaksakan sistem K-3.
MANAJEMEN RISIKO K3 MENGGUNAKAN HIRARC PADA AREA PRODUKSI PT CONDUCTORJASA SURYAPERSADA Tuhu Agung Rachmanto; Rexy Silvanus Destara
Prosiding ESEC Vol. 2 No. 1 (2021): Seminar Nasional (ESEC) 2021
Publisher : Prosiding ESEC

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Abstract

Setiap industri harus menanggung risiko yang melekat pada setiap proses produksi yang dijalankannya. Oleh karena itu, analisis risiko kecelakaan kerja diperlukan untuk memfasilitasi upaya manajemen risiko kecelakaan kerja di dalam sebuah industri. Tujuan dari penelitian ini adalah mengetahui risiko keselamatan kerja dan pelaksanaan pengendalian risiko pada proses produksi di PT. Conductorjasa Suryapersada, serta mengoreksi penerapan Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) PT. Conductorjasa Suryapersada. Metode yang digunakan dalam penelitian ini menggunakan HIRARC. Hasilnya, ditemukan 4 jenis risiko tinggi, 10 jenis risiko sedang, dan 16 jenis risiko rendah dalam proses pembuatan genset.
PENERAPAN SISTEM MANAJEMEN KESELAMATAN DAN KESEHATAN KERJA KLAUSUL 8 ISO 45001:2018 PADA DIPO LOKOMOTIF SIDOTOPO SURABAYA DENGAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) Tuhu Agung Rachmanto; Lintang Putri Rafsanjani
Prosiding ESEC Vol. 2 No. 1 (2021): Seminar Nasional (ESEC) 2021
Publisher : Prosiding ESEC

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Abstract

Dipo Lokomotif Sidotopo Surabaya merupakan sarana bengkel untuk melakukan perawatan dan pemeriksaan rangkaian lokomotif kereta api. Dalam menunjang kegiatan operasionalnya, perusahaan ini berusaha menjadikan SMK3 sebagai upaya perlindungan bagi pekerjanya untuk meminimalisir adanya risiko bahaya yang ditimbulkan dari aktivitas kerjanya. Penelitian ini bertujuan untuk menganalisis penerapan SMK3 dan faktor-faktor kegagalan yang terjadi ruang bengkel. Metode yang digunakan adalah FMEA dengan faktor kegagalan yang dianalisa diberikan rating severity, occurance, detection, dan RPN. Perhitungan nilai RPN untuk memberikan rekomendasi dari potensi bahaya paling tinggi. Berdasarkan penelitian yang telah dilakukan Dipo Lokomotif Sidotopo Surabaya telah mengimplementasikan hierarki pengendalian risiko berdasarkan Klausul 8 ISO 45001:2018 yaitu pengendalian operasional dan kesiapan tanggap darurat dengan ditemukan faktor kegagalan kerja dengan potensi bahaya paling tinggi adalah tersengat listrik
IMPLEMENTASI LIFE CYCLE ASSESSMENT “GATE TO GATE” PADA PROSES PENGOLAHAN AIR BERSIH Tuhu Agung Rachmanto; Geafiata Amalia Nurbaiti; Aulia Ulfah Farahdiba
Prosiding ESEC Vol. 2 No. 1 (2021): Seminar Nasional (ESEC) 2021
Publisher : Prosiding ESEC

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Abstract

Penelitian ini bertujuan untuk mengidentifikasi serta menganalisis dampak lingkungan yang terjadi dari proses pengolahan air bersih menggunakan life cycle assessment. Life cycle assessment adalah metode untuk menganalisis dampak lingkungan dari seluruh siklus hidup suatu produk. Analisis LCA ini dilakukan menggunakan software Simapro dengan mengambil lingkup yaitu gate to gate. Tiga dampak tertinggi yang muncul akibat dari proses pengolahan air bersih adalah respiratory inorganics, global warming, dan non-renewable energy. Ketiga dampak tersebut berasal dari pemakaian bahan kimia serta listrik. Usulan perbaikan yang dapat diberikan adalah melakukan upaya kegiatan reboisasi dan meningkatkan efisiensi peralatan.
Efficiency of Domestic Wastewater Utilization from Wastewater Treatment Plants for Irrigation at Bauxite Ore Mining Hauling Areas: Efisiensi Pemanfaatan Air Limbah IPAL Domestik Untuk Penyiraman Lahan Hauling Tambang Biji Bauksit Abdul Rahman Hamidi; Tuhu Agung Rachmanto; Akmal Dzikri Maulana
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 10 No. 1 (2026): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

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Abstract

The bauxite ore mining industry produces domestic wastewater from various supporting activities such as office facilities, employee dormitories, laboratories, contractor areas, and jetties. This wastewater has pollutant characteristics that exceed quality standards, requiring treatment through a Wastewater Treatment Plant (WWTP) before being reused. This study aims to analyze the characteristics of domestic wastewater, the WWTP treatment unit process, and the feasibility of its use for irrigation of the hauling area (a special route for material transportation). The method used is descriptive-quantitative with secondary data including clean water needs, wastewater generation, WWTP processes, laboratory test results from KAN-accredited WWTP outlets, irrigation water needs, and irrigation scenarios. The wastewater quality assessment refers to domestic wastewater quality standards as directed by the Ministry of Environment and Forestry (KLHK) in 2022, as well as Class 4 River Water Quality Standards based on Government Regulation No. 22 of 2021, which are used as a reference for wastewater utilization for irrigation. The hauling area used for irrigation covers an area of ​​7,500 m² with dimensions of 500 meters long and 15 meters wide. The study results show that domestic wastewater treatment in the bauxite ore mining industry is effective in reducing pollutant parameters and is safe for use as irrigation water for hauling areas. This wastewater utilization also contributes to water efficiency and supports sustainability principles in the mining environment.
Co-Authors Abdul Rahman Hamidi Akmal Dzikri Maulana Aulia Ulfah Farahdiba Basuki Rahmat Dila Rahmayanti Fawwaz Alifin Nur Firra Rosariawari 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