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All Journal Indonesian Journal of Electronics and Instrumentation Systems Teknika Elektriese: Jurnal Sains dan Teknologi Elektro Journal of Engineering Science and Technology Jurnal Pengabdian Kepada Masyarakat Indonesia
Qanitah Qanitah
Politeknik Negeri Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences

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Peningkatan Kualitas Briket Ampas Kopi Menggunakan Perekat Kulit Jeruk Melalui Metode Torefaksi Terbaik Qanitah Qanitah; Yurdika Dwi Fatholah Akbar; Zeni Ulma; Yuli Hananto
Journal of Engineering Science and Technology Vol. 1 No. 1 (2023): January
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jesty.v1i1.3

Abstract

Energy is generally divided into two, the first is non-renewable energy for example oil, coal, and natural gas while the second is renewable energy such as water power, solar power, wind power, and biomass. Briquettes is one of the developments of biomass as an alternative fuel. The purpose of this study was to make and analyze the characteristics of coffee grounds briquettes using an adhesive from orange peel with torrefaction method. Torrefaction is a low temperature (200-300 oC) carbonization process without oxygen. Briquettes are made by percentage of coffee grounds and orange peel adhesive 70% : 30%, 60% : 40%, and 50% : 50%. Torrefaction process with a temperature of 200 oC within 60 minutes without any air or little air in the furnace with the addition of modified elbows. The results showed that the best composition was found in DK1 with a ratio of 70% coffee grounds with 30% orange peel adhesive, which has density 0.49 gr/cm3, water content 5.11%, volatile matter content 78.33%, bound carbon content 17.31%, 0.62% ash content, and 4656 cal/gr calorific value
Analisis Tekno Ekonomi Produksi Briket Tempurung Kelapa Qanitah Qanitah; Farhan Syarif Hidayatullah; Yuana Susmiati
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 14 No. 01 (2024): Artikel Riset Edisi April 2024
Publisher : Information Technology and Science (ITScience)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/elektriese.v14i01.4402

Abstract

Tekno ekonomi erat kaitannya dengan pengambilan keputusan untuk menjalankan suatu bisnis. Penelitian ini bertujuan untuk menganalisis aspek teknis dan ekonomis produksi briket berbahan baku arang tempurung kelapa di PT XYZ. Pada penelitian ini, tekno ekonomi digunakan untuk menganalisis kelayakan bisnis briket yang meliputi analisis kualitas briket dan biaya proses pembuatan briket dalam kegiatan usaha PT XYZ. Data yang diperoleh dianalisa menggunakan analisis deskriptif. Pengujian kualitas briket yang dilakukan adalah kadar air, kadar abu, volatille matter, fixed carbon, nilai kalor dan laju pembakaran; Hasil analisis menunjukkan bahwa setiap tahunnya perusahan mampu memproduksi sebanyak 532.560 kg/tahun sedangkan dari sisi rendemen yaitu 71,43%, dengan nilai susut sebesar 28,57%. Berdasarkan perhitungan HPP dihasilkan harga sebesar Rp 20.000 per kilogramnya. Perusahan harus memproduksi briket arang tempurung kelapa sebanyak 135.890,8687 dan harus memperoleh omset sebesar Rp 2.165.306.215 untuk mencapai titik impas. Lama pengembalian modal didapatkan sebesar 1,53 yang berarti modal yang dikeluarkan oleh PT XYZ akan kembali dalam kurun waktu 1 tahun 6 bulan 11 hari. Hasil NPV bernilai positif dan nilai BCR sebesar 1,650 sehingga proyek layak dilaksanakan karena investasi yang dicapai mampu memberikan keuntungan sampai periode yang diperhitungkan. Kontribusi dari penelitian ini pada tambahan informasi yang didapatkan dan dapat bermanfaat bagi pihak perusahaan sebagai pertimbangan dalam pengambilan keputusan serta dalam penentuan harga jual yang tepat. Peningkatan promosi produk agar penjualan produk briket arang tempurung kelapa ini lebih banyak peminatnya sehingga penjualan meningkat dan menambah keuntungan perusahaan.
Penerapan Formulasi Pembuatan Pupuk Polychar Plus Granule Di Tefa Rintisan Rumah Organik Sugiyarto Sugiyarto; Descha Giatri Cahyaningrum; Ni nengah Putri Adnyani; Ramadhan Taufika; Qanitah Qanitah
Jurnal Pengabdian kepada Masyarakat Indonesia (JPKMI) Vol. 5 No. 3 (2025): Desember: Jurnal Pengabdian Kepada Masyarakat Indonesia (JPKMI)
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jpkmi.v5i3.9290

Abstract

Fertilizer is a vital component in supporting agricultural productivity; however, low soil fertility and farmers’ dependence on synthetic chemical fertilizers have long-term negative impacts on soil health, the environment, and overall productivity. Therefore, an environmentally friendly and sustainable fertilizer innovation is required. Polychar Plus Granule fertilizer was developed as an alternative based on biochar enriched with macro- and micronutrients, and formulated in granule form for more practical application. Biochar functions as a soil conditioner that improves cation exchange capacity (CEC), maintains soil moisture, and supports the growth of beneficial soil microorganisms. The addition of organic materials and minerals (N, P, and K) enables this fertilizer to not only improve soil structure but also supply plants with balanced nutrition. This community service activity was carried out through training, demonstration of fertilizer formulation, and field mentoring at the partner farm Tefa Rintisan Rumah Organik. The main objectives were to: (a) enhance sustainable soil fertility, (b) reduce dependency on chemical fertilizers, (c) provide appropriate technology based on local resources (activated charcoal, organic waste, rice husk ash, etc.), and (d) increase production economically. The expected outputs include publication in an ISBN-proceeding at the National Seminar on Research and Community Service (NaCosVi) Politeknik Negeri Jember 2025, activity videos uploaded to the P3M Politeknik Negeri Jember YouTube channel, coverage in the Radar Jember online media, and an article published in an accredited community service journal. It is expected that Polychar Plus fertilizer technology can be independently adopted by farmers as an alternative solution to support sustainable agricultural systems.
Implementasi Support Vector Machine pada Sistem Fermentasi Produksi Bioetanol Nuzula Afianah; Yuana Susmiati; Siti Diah Ayu Febriani; Qanitah Qanitah
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 16, No 1 (2026): April
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijeis.103168

Abstract

The biomass fermentation system is used to produce bioethanol from organic basic materials with the help of microorganisms. The bioethanol production process produced ethanol concentration with Saccharomyces Cerevisiae in this study using experimental methods by implementing a monitoring system using ESP32, cloud service data logger, pH sensor, MQ-2 sensor and temperature sensor. The test dataset is stored in the next data logger cloud service used for the process of classifying fermentation results.The real-time data logger from the monitoring system has not been able to detect the parameters that categorize the concentration of fermentation products have been declared successful, so the user must analyze the data and carry out periodic checks to ensure the success of the fermentation process. The results of the SVM test show that the level of accuracy in the classification of bioethanol fermentation production shows satisfactory results, namely 99.79% using a linear kernel with training data of 60% and testing data of 40%, while the lowest accuracy using the RBF kernel is 95.85 with 80% training data and 20% testing data. 
Analisis Karakteristik Pasta Bio-Baterai Berbahan Baku Musa Paradisiaca dan Citrus Sinensis Nur Faizin; M. Farhan Arif; Bayu Rudiyanto; Qanitah Qanitah
TEKNIKA Vol. 20 No. 1 (2026): Teknika Januari 2026
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.17866764

Abstract

Limbah kulit pisang dan jeruk mengandung bahan organik seperti kalium, magnesium, dan asam sitrat, yang dapat berfungsi sebagai sumber bio-baterai ramah lingkungan. Tujuan dari penelitian ini adalah untuk mengevaluasi bagaimana perbedaan dalam komposisi kulit pisang tanduk (Musa paradisiaca) dan kulit jeruk peras (Citrus sinensis) memengaruhi karakteristik listrik bio-baterai seperti tegangan, arus, dan daya tahan. Sebanyak 11 sampel dengan komposisi berbeda (0–100%) dibuat dalam bentuk pasta, diisi ke wadah baterai bekas AA, lalu diuji menggunakan multimeter dan pH meter selama 6 jam. Hasil menunjukkan bahwa kulit pisang kaya kalium (77,33%) dan magnesium (7,59%), sedangkan kulit jeruk mengandung kalsium (39,22%) dan magnesium (19,8%). pH cenderung lebih asam seiring meningkatnya proporsi kulit jeruk. Sampel B1 yang mengandung kadar jeruk tinggi menghasilkan tegangan dan arus awal tertinggi, namun cepat menurun, sedangkan sampel dengan kandungan pisang tinggi (B11) memiliki daya tahan lebih lama (hingga 18 jam 2 menit). Bio-baterai mencapai hingga 53,65% tegangan dan 44,40% arus baterai AA konvensional. Kesimpulannya, campuran kulit jeruk meningkatkan daya listrik sementara kulit pisang memperpanjang durasi kerja. Bio-baterai ini menunjukkan potensi sebagai solusi energi alternatif berbasis limbah organik meskipun masih memerlukan pengembangan lebih lanjut.
Co-Authors Bayu Rudiyanto Descha Giatri Cahyaningrum Farhan Syarif Hidayatullah M. Farhan Arif Ni nengah Putri Adnyani Nur Faizin Nuzula Afianah Ramadhan Taufika Siti Diah Ayu Febriani Sugiyarto Sugiyarto Yuana Susmiati Yuli Hananto Yurdika Dwi Fatholah Akbar Zeni Ulma