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All Journal Jurnal Teknologi Rekayasa Sipil Jurnal IPTEK Jukung (Jurnal Teknik Lingkungan) Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) JMTS: Jurnal Mitra Teknik Sipil Jurnal Engine: Energi, Manufaktur, dan Material Journal of Applied Sciences and Advanced Technology International Journal of Marine Engineering Innovation and Research Buletin Poltanesa Jurnal Techno Bahari DEARSIP: Journal of Architecture and Civil KOLONI AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Journal of Safety, Health, and Environmental Engineering Jurnal Cakrawala Maritim Jurnal Teknologi Maritim Jurnal Cakrawala Maritim Jurnal Teknologi Maritim Environation (Environmental Engineering Journal of Community Dedication) PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Dika Rahayu Widiana
Politeknik Perkapalan Negeri Surabaya
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Analisis Paparan Iklim Kerja Pada Praktikan Di Laboratorium Mesin Listrik PPNS Devina Livia Hendriani; Keyne Nabila Regi; Stevan Rizky Marisi Girsang; Dika Rahayu Widiana; Denny Oktavina Radianto
KOLONI Vol. 3 No. 2 (2024): JUNI 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/koloni.v3i2.565

Abstract

The PPNS (Surabaya State Shipping Polytechnic) electrical engineering laboratory is a laboratory used by practitioners or students to carry out college learning activities that are closely related to electricity. Activities carried out by practitioners will of course expend energy which can later result in fatigue and even dehydration, so it is necessary to conduct an analysis of exposure to the work climate in the practicum area. The definition of work climate according to Davis (2002:21) says that work climate is defined as the human environment in which workers or organizations do work and its existence is something that cannot be touched or seen but is there. Therefore, this research was conducted to create comfortable conditions or atmosphere for practitioners to carry out learning activities in the PPNS electrical machine laboratory. A comfortable work environment can increase productivity, efficiency and effectiveness of work and reduce occupational diseases (NAB).  
The Treatment of Water Using Activated Carbon Adsorption and Sand Filtration: Physical Characteristics Analysis for Clean Water Production Imaniah Sriwijayasih; Anda Iviana Juniani; Dika Rahayu widiana; Fitroh Resmi; Septaviola Dini Utami; Eky Novianarenti; Anisa Ayuk Lestari; Raisha Risandra Rabbani
Poltanesa Vol 27 No 1 (2026): June 2026
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v27i1.3821

Abstract

The Kalibaru River in Indonesia faces significant pollution challenges due to industrial and human activities, threatening ecosystem balance and water quality. To address this, a sand and carbon filter-based water filtration system is employed to improve water quality to grade 2 clean water standards.The method involves filtration using sand filters, carbon filters. Results show improved water quality with parametersThe decrease in turbidity from 6 NTU (March) to 5 NTU (June) indicates the filtration system's ability to remove suspended particles. Additionally, the decrease in electrical conductivity from 179.83 umhos (March) to 173.41 umhos (June) and TDS from 95.9 mg/L (March) to 92.7 mg/L (June) shows the system's ability to reduce dissolved ion concentrations.The stability of pH between March (7.58) and June (7.38) indicates that the filtration system does not affect the water's pH balance, remaining within the class 2 water quality standard (6-9). The relatively stable water temperature between March (27.5°C) and June (27°C) also shows that the filtration system does not significantly affect the water temperature  with Indonesian Government Regulation No. 82 of 2001.The system effectively removes contaminants, reduces turbidity, and kills pathogenic bacteria, making the water suitable for recreation, freshwater aquaculture, livestock, agriculture, and other uses. Regular monitoring and maintenance are necessary to sustain water quality.Indonesia's river water quality has been declining due to industrial pollution, pesticide and fertilizer use, and plastic waste. To combat this, efforts are being made to improve wastewater management, promote sustainable agriculture practices, and enhance public awareness.  
Co-Authors Aang Wahidin Abubakar, Kiagus Muhammad Adhi Setiawan Adhitya, Ryan Yudha Agnimaya, Aulia Putri Agung Purwana Agung Rahayu Prasetyo Utomo Agus Khumaidi Agustin, Shintya Putri Ahmad Erlan Afiuddin Akhmad Nabil, Akhmad Am Maisarah Disrinama Amrullah, Haidar Natsir Anda Iviana Juniani Anisa Ayuk Lestari Annisa Carina, Annisa Annisa' Carina Annisa' Carina Arninputranto, Wibowo Arumsari, Nurvita Bagus Cahyo Juniarso Boedi Herijono Cahyono, Luqman Cahyono, Luqman Cahyono Cindy Putri Maharani Denny Dermawan Devina Livia Hendriani Dinar, Arum Puspa Dwi Pratiwi, Wiwik Eky Novianarenti Eky Novianarenti Fardina, Firda Faza Ulinnuha Firda Fardina Fitroh Resmi Hamida, M. Fajar Hasin, Muhammad Khoirul Imam Sutrisno Imaniah Sriwijayasih Indra Adi Ramana Indriawati, Melta Anindya Irma Rustini Aju Keyne Nabila Regi Kusminah, Imah Luluk Leonard, Rikky Lukman Handoko Luqman Cahyono Luqman Cahyono M. Rizal Fahmi M. Rizal Fahmi Marlina Nelly Masaril Fatahilah Mirna Apriani Muhammad Hafiz Aulia muhammad Koderi Hendrik Waluyo Mustaghfirin, M. Anis Nella Maulidiyatul Jannah Nely Marlina Nina Kurnia Ningrum Nisa, Intan Zahrotun Novi Eka Mayangsari Novianarenty, Eky Nugraha, Deni Purwana Nugroho, Agung Nurvita Arumsari Oktaviastuti, Blima Priyambodo Nur Ardi Nugroho Radianto, Denny Oktavina Raisha Risandra Rabbani Ramana, Indra Adi Rikky Leonard Rosalina, Amanda Ryan Yudha Adhitya Septaviola Dini Utami Septaviola Dini Utami Stevan Rizky Marisi Girsang Sumardiono Suroidah, Eva Nur Syafiuddin Tabah Uji Antoro Tarikh Azis Ramadani Thina Ardliana Thina Ardliana, Thina Thohir, Ahmad Ulfah, Nadia Salwa Utomo, Agung Prasetyo Wiediartini Wiediartini Wiwik Dwi Pratiwi Wiwik Dwi Pratiwi, Wiwik Dwi Yuning Widiarti