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All Journal Jurnal Ilmu Lingkungan CARADDE: Jurnal Pengabdian Kepada Masyarakat Jurnal Rekayasa Hijau Jurnal Ilmiah Inovasi Jurnal Teknologi Terapan J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Infotekmesin INTEGRITAS : Jurnal Pengabdian Jurnal Pengabdian Masyarakat Teknik
Mohammad Nurhilal
Politeknik Negeri Cilacap
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Analisis Porositas, Tekstur, dan Morfologi Karbon Tempurung Nipah Hasil Pirolisis Suhu Tinggi Untuk Anoda Baterai Sekunder Theresia Evila Purwanti Sri Rahayu; Mohammad Nurhilal; Rosita Dwityaningsih
Infotekmesin Vol 14 No 1 (2023): Infotekmesin: Januari, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i1.1666

Abstract

Lithium-ion batteries are the recent main store of electrochemical energy that have been widely used for electronic equipment, electric vehicles, and also renewable energy storage such as wind and solar. Lithium-ion batteries have many electrochemical advantages but lithium availability in nature is reduced very quickly and its distribution is uneven throughout the world. Sodium is attractive as an alternative to lithium insertion for secondary batteries because of its abundant availability and oxidation reduction potential to standard hydrogen electrodes only 0.3 volts higher than lithium. This study aims to synthesize hard carbon from nipah shell biomass using thermal methods of low-temperature pyrolysis (lower than 200 oC) followed by high-temperature pyrolysis (higher than 1000 oC). Characterization is carried out by iodine number analysis to determine porosity and SEM-EDX to determine texture and morphology. The result of the analysis of carbon iodine number is 346.86 mg/g while SEM-EDX analysis showed that carbon has a structure similar to a combination of graphene and nano-tube carbon.
Studi Perancangan Instalasi Penerangan dan Pengkondisi Suhu Ruangan Pada Gedung Bertingkat Las Mesin Vicky Prasetia; Erna Alimudin; Purwiyanto Purwiyanto; Muhamad Yusuf; Mohammad Nurhilal
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1895

Abstract

Lighting is one of the most important requirements of a building. This is because inadequate lighting of a space can affect the health and comfort of activities in that space. In addition to less important lighting, room temperature adjustments, room temperature adjustments have a significant impact on comfort during activities in the room. This magazine describes the lighting and room temperature control design of the CilacapState Polytechnic Welder Shop. The method used in this study is a quantitative method. This method calculates the required lighting and room temperature control and compares it with the standards. 2 rooms increase the number of light points and 3 rooms change the type of lamp with a higher lumen. There are 8 rooms that are recommended to use air conditioners with SNI 91714189. According to the SNI, the number of air conditioners and the capacity of air conditioners adjusts to the size of the room.
Pengaruh Jenis Limbah Aluminium Pada Proses Pengecoran Menggunakan Tungku Krusibel Terhadap Nilai Kekerasannya David Dwi Putra; Faisal Haqqoni; Mohammad Nurhilal; Ulikaryani Ulikaryani
Infotekmesin Vol 14 No 2 (2023): Infotekmesin: Juli, 2023
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v14i2.1948

Abstract

Aluminum waste that has accumulated due to the widespread use of aluminum in household needs, daily life, and in the manufacture of industrial material components will have an impact on the environment if not handled properly. It is necessary to utilize aluminum waste in a product that has a sale value through a casting process using a crucible furnace. This research was conducted to determine the hardness differences of waste aluminum from used aluminum cans, used aluminum pots, and used aluminum wires melted in a smelting furnace. This study uses quantitative analysis and experimental research types. Tests carried out on this crucible furnace were carried out to determine the effect of the type of aluminum waste and the length of time it took to smelt the three types of material on the hardness results. The results of the Rockwell hardness test on aluminum can waste have an average value of 71.38 HRB, on aluminum pans waste it has an average value of 71.68 HRB, and on aluminum cable waste it has an average value of 53.02 HRB.
Analisis Kualitas Produk dan Efisiensi Energi Antara Mesin Daur Ulang Limbah Plastik Pemanas Band Heater dan Induksi Almira Luthfiyah; Theresia E.P.S. Rahayu; Sheptia Whiting Hayati; Saipul Bahri; Mohammad Nurhilal
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2338

Abstract

The melting process (extrusion) plays a key role in the recycling process of plastic waste into plastic pellets. This study aims to compare the recycling process of PET plastic waste between induction heating and band heater heating. The comparative analysis parameters are from the quality of the plastic pellets studied including water content, cadmium (Cd), and lead (Pb) based on SNI 8424:2017 and machine energy efficiency seen from electricity consumption and production speed. The results showed that the water content, cadmium metal content, and lead metal content of plastic pellets from the recycling process with an induction heating machine, namely 0.33%, 0.00049 ppm and 0.0633, were still far below the maximum quality standard limit even though the water content was higher than the plastic pellets produced by the band heater machine. The level of electricity consumption from the induction-heated machine was much lower with a higher production speed compared to the band heater-heated machine, namely 0.0849 kWh and 0.099 Kilogram Per Hour.
Pendampingan dan Pelatihan Pembuatan Biobriket dari Tempurung Nipah dan Kelapa pada Masyarakat Pesisir di Kelurahan Tritih Kulon Kabupaten Cilacap Propinsi Jawa Tengah Ayu Pramita; Zhilal Shadiq; Rosita Dwityaningsih; Mardiyana Mardiyana; Mohammad Nurhilal
INTEGRITAS : Jurnal Pengabdian Vol 10 No 1 (2026): JANUARI - JULI
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/integritas.v10i1.7682

Abstract

Dalam program yang dilakukan Tim Pengabdi kepada masyarakat di desa Tritih Kulon Kabupaten Cilacap ini bertujuan untuk mengembangkan ekonomi kreatif pada pengurus koperasi Mahardika Nusa Tani dan masyarakat sekitar di Kelurahan Tritih Kulon melalui pemanfaatan limbah organik berupa tempurung nipah dan batok kelapa. Permasalahan yang ditemukan ialah potensi sumber daya alam lokal yang belum terolah secara optimal,sumber daya alam yang ada berupa kelapa menjadi permasalahan yang muncul disaat limbah batok kelapa belum dimanfaatkan secara optimal dan dapat bernilai jual tinggi. Hal itu diperlukan adanya pengetahuan dan keterampilan masyarakat dalam memanfaatkan sumber daya alam dan limbah menjadi barang yang bernilai ekonomi tinggi. Pemilihan topik ini didasari oleh pentingnya mendukung pertumbuhan ekonomi melalui pemanfaatan potensi sumber daya lokal. Kegiatan yang melibatkan 20 peserta ini berlangsung selama dua hari, meliputi survei awal & observasi, analisis kebutuhan, sosialisasi kepada masyarakat, implementasi kegiatan dan evaluasi. Hasil kegiatan ini menunjukkan bahwa pengadaan pelatihan dan pendampingan pembuatan biobriket tempurung nipah dan batok kelapa mampu meningkatkan pemahaman kesadaran akan kepedulian pemanfaatan yang ada di lingkungan sekitar akan mampu memajukan roda perekonomian lokal. Selain itu, diharapkan masyarakat mampu membuat briket sendiri yang nantinya mereka dapat menjadi seorang wirausaha atau semacamnya, bagi ibu rumah tangga hal ini dapat meminimalisir biaya pengeluaran untuk membeli bahan bakar, karena mereka sudah tahu bahwa briket merupakan energi alternatif pengganti bahan bakar minyak.
Isolasi Senyawa Tiofen dari Bunga Tahi Ayam (Tagetes spp) Sebagai Odoran Gas LPG Rosita Dwityaningsih; Zhilal Shadiq; Mohammad Nurhilal; Ayu Pramita; Septian Hanjaya
Infotekmesin Vol 17 No 2 (2026): Infotekmesin: Juli 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/

Abstract

Liquefied Petroleum Gas (LPG) is a mixture of propane and butane gases. LPG is characterized by being colorless and odorless, requiring an additive to act as an indicator of a leak in the gas cylinder, allowing it to spread into the air. The additive currently used as an odorant in LPG is ethyl mercaptan, a volatile liquid with a strong, pungent odor characteristic and highly stable, making it difficult to decompose in the air. However, this compound has drawbacks because the resulting aroma is difficult to detect, thus tending to irritate breathing and reduce user comfort. Therefore, it is necessary to isolate compounds from more environmentally friendly natural materials to become alternative odorants in LPG to replace ethyl mercaptan. One natural material that can be a source of compounds with strong aroma characteristics is the Tagetes spp. plant, which contains thiophene in its roots and leaves, making it a natural source of strong-smelling compounds. The results of this study were that the largest yield was obtained from the root extract with petroleum ether solvent of 5.85%, a corrosion rate of 6.63 µg/cm2.hour, and an odor level of 42. The high yield directly correlates with elevated odor intensity without inducing excessive corrosion, demonstrating the potential of Tagetes spp. root extract as a superior and safe natural odorant candidate.
Co-Authors Aji, Galih Mustiko Almira Luthfiyah Ayu Pramita David Dwi Putra Erna Alimudin Evila Purwanti Sri Rahayu, Theresia Faisal Haqqoni Mardiyana Mardiyana Muhamad Yusuf Murni Handayani Purwiyanto Purwiyanto Radhi Ariawan Rosita Dwityaningsih Saiful Bahri Saipul Bahri Saipul Bahri Sari Widya Utami Septian Hanjaya Sheptia Whiting Hayati Taufan Ratri Harjanto Theresia E.P.S. Rahayu Ulikaryani, Ulikaryani Vicky Prasetia Zhilal Shadiq