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All Journal Jurnal Keteknikan Pertanian IPTEK Journal of Proceedings Series Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Rekayasa Mesin JURNAL INTEGRASI PROSES Wikrama Parahita : Jurnal Pengabdian Masyarakat Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Prosiding Seminar Nasional Teknik Mesin Jurnal Mekanik Terapan Mitra Akademia: Jurnal Pengabdian Masyarakat PROFICIO: Jurnal Pengabdian Masyarakat Jurnal PkM (Pengabdian kepada Masyarakat) JURNAL POLI-TEKNOLOGI Jurnal PADE: Pengabdian & Edukasi Jurnal Teknik Terapan (J-TETA) Jurnal Polimesin Recent in Engineering Science and Technology
Tatun Hayatun Nufus
Politeknik Negeri Jakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Veterinary Other

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Development and Application of Eco Enzyme for Household Organic Waste Management in Kampung Lio Area, Depok Nufus, Tatun Hayatun; Saidatuningtyas, Ifa; Arnanda, Rachmat; Ardhan, Dhea Tisane; Khoirunnisa, Ratna; Garjati, Vina Nanda
Wikrama Parahita : Jurnal Pengabdian Masyarakat Vol. 9 No. 1 (2025): May 2025
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/jpmwp.v9i1.9601

Abstract

Organic food waste accounts for the largest category of waste, comprising 40.8% according to data from the National Waste Management Information System (SIPSN). The high volume of this waste encourages alternatives for utilizing and processing household waste. One alternative method is producing an eco-enzyme, a liquid resulting from the fermentation of leftover fruits and vegetables. Its numerous uses and benefits have led to eco-enzyme development as an alternative method for processing household organic waste. To introduce this method, a Community Service (PKM) activity themed 'Development and Application of Eco Enzyme for Household Organic Waste Management' was conducted in the Kampung Lio area, Depok. This activity aims to enable the residents of Kampung Lio, Depok, to process their organic waste into eco enzyme and utilize it for various daily needs, such as floor cleaner, vegetable and fruit wash, insect repellent, plant fertilizer, disinfectant, laundry soap, bath soap, shampoo, toilet cleaner, and many other uses. After this activity, all participants started to implement their knowledge by processing their household organic waste into an eco enzyme because it has many benefits and simultaneously processed household waste.
Peningkatan Kapasitas Produksi Sabun Pakaian Untuk Meningkatkan Ekonomi Masyarakat Pasca Pandemi Covid-19 di Jatimulya, Cilodong, Kota Depok Hidayati, Noor; Bel, Belyamin; Adhi, Pribadi Mumpuni; Rahman, Haolia; Nufus, Tatun Hayatun; Nuriskasari, Isnanda
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 6 No 1 (2023): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v6i1.5584

Abstract

The lack of soap production capacity, which currently only reaches 5-10 liters of soap per production, has prompted a team of lecturers at the Manufacturing Engineering Applied Masters Study Program (MTRTM)-PNJ to take the initiative to organize and donate a soap mixing machine. The purpose of this implementation is to increase the amount of community soap production, as well as increase community knowledge and skills regarding soapmaking processes and tools. The training was carried out by delivering material on how to use and tricks for making soap with a mixer machine, which was then continued by making soap by PKK women and ending with a survey of the training implementation. From the results of the training, it was found that soap production increased to 20 liters in one production run, as well as an increase in community knowledge and skills in the process of making soap with a mixer machine. Kurangnya kapasitas produksi sabun yang saat ini hanya mencapai 5-10 liter sabun satu kali produksi, membuat tim dosen di Program Studi Magister Terapan Rekayasa Manufaktur (MTRTM)-PNJ berinisiatif mengadakan dan menghibahkan mesin pengaduk sabun. Tujuan dari pelaksanaan ini adalah untuk meningkatkan jumlah produksi sabun masyarakat, serta meningkatkan pengetahuan dan keterampilan masyarakat terhadap proses dan alat pembuat sabun. Pelatihan dilakukan dengan penyampaian materi cara penggunaan dan trik pembuatan sabun dengan mesin pengaduk yang kemudian dilanjutkan dengan pembuatan sabun oleh para ibu ibu PKK, dan diakhiri dengan survey pelaksanaan pelatihan. Berdasarkan hasil pelatihan didapatkan peningkatan produksi sabun mencapai 20 liter dalam satu kali produksi, serta didapatkan pula peningkatan pengetahuan dan keterampilan masyarakat dalam proses pembuatan sabun dengan mesin pengaduk.
Pemanfaatan Sampah Organik Untuk Pembuatan Briket Arang Sebagai Energi Ramah Lingkungan dan Usaha Meningkatkan Kemandirian Desa Nufus, Tatun Hayatun; Pramono, Agus Edy; Dermawan, Arif; Ridlwan, Hasvienda Mohammad; Arnanda, Rachmat; Rizkia, Vika
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 7 No 1 (2024): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v7i1.6095

Abstract

Program pengabdian masyarakat ini bertujuan memanfaatkan potensi alam yang ada di Kampung Sawah Rumpin, Bogor sebagai alternatif solusi bahan bakar fosil yang merupakan sumber daya yang tidak dapat diperbaharui dan harganyaterus meningkat. Mitra Program pengabdian ini adalah warga kampung sawah, Rumpin Bogor. Kampung tersebut banyak terdapat sampah organik yang selama ini belum dimanfaatkan. Program ini berupa pelatihan bagi kelompok masyarakat untuk menciptakan energi alternatif yang dapat diperbaharui dan bersih dengan memanfaatkan sampah organik antara lain berupa daun kering dan ranting pohon. Metode pelaksanaan dilakukan dengan cara mengolah sampah organik tersebut melalui pembakaran dengan tungku pirolisis. Pembuatan briket arang dari limbah organik dapat mengurangi timbunan limbah yang berbahaya bagi kesehatan lingkungan dan dapat dipakai masyarakat sebagai bahan bakar rumah tangga karena murah dan memenuhi standar kesehatan. Selain pelatihan, program ini jugamenyebarkan kuisioner terkait dengan pengetahuan dan keterampilan masyrakat terkait dengan briket limbah organik, hasilnya terjadi peningkatan yang cukup signifikan (93-100%) antara sebelum dan sesudah diberi pelatihan. Pembuatan briket dengan nilai kalor yang tinggi dapat diperoleh dengan treatment C (arang yang berasal dari kayu dicampur kanji cair 10% w) yaitu 6391 cal/gr. Terakhir perangkat alat pembuat briket arang ini diserahkan pada masyarakat agar dapat dimanfaatkan bagi masyarakat luas agar masyarakat bisa membuat sendiri sehingga dapat memanfaatkan limbah organik di sekitarnya dan bahkan meningkatkan kesejahteraan masyarakat.
Optimalisasi Desain Reaktor Fotokatalitik untuk Degradasi Formaldehida Menggunakan Substrat Stainless Steel Mesh Renita Dewi; Pribadi Mumpuni Adhi; Tatun Hayatun Nufus; Dianta Mustofa Kamal
Jurnal Teknik Terapan Vol. 4 No. 1 (2025): April
Publisher : P3M Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Indoor air quality (IAQ) plays a crucial role in the health and comfort of building occupants, where pollutants like formaldehyde can cause serious health issues. To reduce formaldehyde levels, photocatalytic oxidation (PCO) technology using titanium dioxide (TiO2) substrates has been shown to be effective. This study aims to optimize the PCO system design using TiO2-coated stainless steel mesh substrates in a honeycomb monolith reactor configuration to enhance formaldehyde degradation efficiency. Three variations of stainless steel mesh layers (5, 10, and 15 layers) were tested to evaluate their impact on formaldehyde (HCHO) concentration reduction. The results indicated that increasing the number of mesh layers significantly improved the formaldehyde degradation efficiency. The highest efficiency, 96.06%, was observed with 15 layers, compared to 74.67% with 5 layers and 83.19% with 10 layers. The increase in mesh layers enlarged the surface area of the substrate, enhancing the reaction area and interaction between pollutants and the photocatalyst. This study suggests using more than 10 layers of stainless steel mesh in the PCO system design to achieve optimal performance in formaldehyde pollutant reduction. The findings are expected to contribute significantly to improving indoor air quality, particularly in areas exposed to pollutants such as cigarette smoke.
Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
DEVELOPMENT OF LOW-HEAD CROSSFLOW TURBINE PICOHYDRO POWER PLANTS Gunandi, Gun Gun Ramdlan; Widiawaty , Candra Damis; Subarkah, Rahmat; Abadi, Cecep Slamet; Nufus, Tatun Hayatun; Rizkia , Vika
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i2.1718

Abstract

The provision of food, the provision of energy and the provision of information are controlled to improve people's welfare. In 2011, national electricity production by PLN was 11% new and renewable energy. 6% PLTA and 5% PLTP. PLN plans Geothermal Energy to be 13% and Hydro Power Plant still 6%. The availability of PhHPP independently has been developed by many communities. PhHPP with a water wheel drive capacity of around 100 watts, just enough for home lighting. Even though the area's hydro energy potential is quite abundant. The developments that have been carried out have several weaknesses; The PhHPP with a plump turbine type requires a high head, which becomes an obstacle for agricultural irrigation, while PhHPP with a water wheel type has low efficiency. Research was conducted to develop PhHPP with a more efficient low head crossflow turbine type. Development of PhHPP with cross flow turbine type with actual energy potential, head 2 m and flow velocity 1 m/s. Development begins with numerical simulations to optimize the runner width and diameter ratio. Simulation results of the RNG k-ε model for a total inlet pressure of 20114 pascals and an outlet of 0 pascals, the optimum point is at the crossflow turbine runner diameter and turbine width ratio of 0.56.
Study on the impact of natural graphite amount and dispersion on the electrical performance of PET/graphite composites Agus Edy Pramono; Anissa Puspa Dewi; Tatun Hayatun Nufus; Nanik Indayaningsih
Jurnal Polimesin Vol 23, No 3 (2025): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i3.6872

Abstract

Polymer composites have experienced rapid development in recent decades due to their ability to integrate mechanical, thermal, and electrical properties tailored for specific applications. One of the major challenges in polymer development is improving electrical conductivity, as most polymers are inherently insulating. To address this, various conductive fillers such as carbon black, graphite, carbon nanotubes, and graphene have been utilized. This study investigates the effect of natural graphite loading on the electrical conductivity, microstructure, and porosity of virgin Polyethylene Terephthalate (PET) composites. Composites containing 10%, 20%, and 30% graphite by weight were fabricated using the hot compaction method. Morphological analysis via Scanning Electron Microscopy (SEM) revealed that higher graphite content enhances filler connectivity, with the formation of conductive pathways beginning at 20% and a continuous network forming at 30%, despite some agglomeration and weak interfacial bonding. Density measurements and porosity analysis indicated that increasing graphite content leads to greater porosity, with the 30% composite reaching 19.68%. Electrical conductivity increased significantly with increasing graphite loading, exhibiting a transition from insulating to conductive behavior. The percolation threshold was identified at approximately 13.2 wt%, with conductivity rising from 0.00347 S/m at 10 wt% to 6.97 S/m at 30 wt%, consistent with classical percolation theory. These findings demonstrate that natural graphite is an effective conductive filler for PET-based composites and that its content must be optimized to balance conductivity with structural integrity.
Co-Authors A.A. Ketut Agung Cahyawan W Abadi, Cecep Slamet Achmad Subakri Adhi, Pribadi Mumpuni Agus Sukandi Ahmad Indra Siswantara Ahmad Maksum Ainun Nidhar, Ainun Anisa Ramadhani Anissa Puspa Dewi Apriansyah, Muhammad Hijriy Ardhan, Dhea Tisane Ariek Sulistyowati Arif Dermawan Armansyah Halomoan Tambunan Arnanda, Rachmat Asep Apriana Asep Apriana Asep Yana Bayu Prasetio Bel, Belyamin Belyamin Belyamin Candra Damis Widiawati Candra Damis Widiawati Dela siska Devi Handaya Dianta Mustofa Kamal Dwi Budi Santoso Elfi Nur Rohmah Emir Ridwan, Emir Firmanto, Apri Fitri Wijayanti Garjati, Vina Nanda Gatot, Suyitno Gun Gun R Gunadi Gunadi, Gun Gun Ramdlan Gunandi, Gun Gun Ramdlan Irfan Hermansyah Saputra Irwan, Rifqi Isnanda Nuriskasari Iwan Susanto Juna, Haidir Kadarusna, Isman Kamal, Dianta Mustofa Kisty, Jasmine Zahra Lianda, Handri Tirta Muhammad Todaro Muhammad Yusuf Bagus Rasyiidin Muhammad, Ghiffari Taqiyuddin Nanik Indayaningsih Ngadirin, M. Noor Hidayati Noor Hidayati Nurma Putri, Melisa Dian Paulus Sukusno Pramono, Agus Edy Prasetya , Sonki Pratama, Vicky Surya Rachmatika, Nabila Radite Praeko Agus Setiawan Rahman, Haolia Rahmat A Setiawan Rahmat Subarkah Rahmat Subarkah Ramadhan, Mochammad Tendi Noer RATNA KHOIRUNNISA Renita Dewi Ridlwan, Hasvienda Mohammad Rizkia , Vika Saidatuningtyas, Ifa Salsabiila, Firanda Permata Saputro, Tri Sugiantoro Giman Marto Siregar, Cherly Zahara Siregar, Rolan Sitorus, Andre Halomoan Taufik Maulana, Taufik Todaro, Muhammad Try Laksono Prasetyo Vika Rizkia Wawan Hermawan Widiawaty , Candra Damis Wisnu Tri Nur Kahfi Yuliana, Arifia Eka