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All Journal Jurnal Rekayasa Proses Agrointek ROTOR: JURNAL ILMIAH TEKNIK MESIN agriTECH UNEJ e-Proceeding Industria: Jurnal Teknologi dan Manajemen Agroindustri Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Jurnal Rekayasa Proses Jurnal Ilmiah Inovasi J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Elektriese: Jurnal Sains dan Teknologi Elektro Rona Teknik Pertanian Jurnal Polimesin Jurnal Rekayasa Proses International Journal of Technology, Food and Agriculture The International Journal of Studies in Social Sciences and Humanities (IJOSSH)
Yuana Susmiati
Politeknik Negeri Jember
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PENINGKATAN PRODUKTIFITAS PANGAN DENGAN PENERAPAN INOVASI TEKNOLOGI SMART SISTEM ENERGI SURYA DAN SISTEM KENDALI UDARA BERBASIS IOT PADA USAHA MIKRO PENETASAN TELUR ITIK UD. PUTRA JEMBER DAN PETERNAKAN BROILER UD. NUROHMAN FARM JEMBER Risse Entikaria Rachmanita; Denny Trias Utomo; Hariadi Subagja; Yuana Susmiati; Beni Widiawan
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 5 No. 2: Juli 2025
Publisher : Bajang Institute

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Abstract

Program pengabdian ini bertujuan untuk mengatasi permasalahan efisiensi energi dan kendali lingkungan mikro pada dua UMKM peternakan di Jember: UD. Putra Jember dan UD. Nurohman Farm. UD. Putra Jember mengalami permasalahan pada efisiensi pemakaian energi dan penurunan tingkat penetasan akibat pemadaman listrik. Sementara UD. Nurohman Farm menghadapi masalah biaya listrik tinggi dan kontrol kualitas udara yang tidak otomatis. Solusi diterapkan berupa sistem kendali udara berbasis Internet of Things (IoT) dan sistem Pembangkit Listrik Tenaga Surya (PLTS). Metode pelaksanaan terdiri dari survei, FGD, desain, implementasi, pelatihan, dan pengujian. Hasil menunjukkan sistem IoT berhasil mengendalikan suhu, kelembaban, dan amonia secara real-time melalui web dan perangkat mobile. Penerapan PLTS berhasil mengurangi biaya listrik hingga 1 juta rupiah per bulan. Program ini meningkatkan efisiensi produksi dan memberikan transfer teknologi yang signifikan kepada mitra
Empowering women ex-migrant workers: Transforming lives through sustainable ecoprint training in Sidomulyo Village Antika, Elly; Susmiati, Yuana; Andini, Dessy Putri
International Journal of Studies in Social Sciences and Humanities (IJOSSH) Vol. 2 No. 1 (2025): July
Publisher : P3M Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/ijossh.v2i1.5674

Abstract

Sidomulyo Village, located in Silo District, Jember Regency, is an area with significant tourism potential due to its proximity to the largest coffee plantation in Jember. The village offers various attractions, including Sendang Natural Tourism, wooden houses, a cycling track overlooking Mount Kumitir, and opportunities for milk and coffee farming, positioning it as a prospective tourist village. However, despite these natural advantages, the village faces economic challenges due to the high number of returning migrant workers with limited employment opportunities. This study aims to explore community empowerment through skill development, particularly in ecoprint craft production, as an alternative economic opportunity. The participatory approach involved training sessions on ecoprint techniques, utilizing abundant natural materials such as leaves, flowers, and tree bark. Additionally, business mentoring and assistance were provided to help participants develop small enterprises and increase their income. The results indicate a significant improvement in skills, with 85% of participants demonstrating proficiency in ecoprint techniques and a readiness to start entrepreneurial ventures. The initiative was further supported by local government efforts, including internet access for digital marketing and business mentoring programs. Despite these positive outcomes, the study faced challenges such as limited initial knowledge among participants, the need for continuous mentoring, and market access constraints for eco-friendly products. Addressing these challenges requires sustained support, including stronger partnerships with stakeholders and expanded marketing strategies. This study highlights the importance of skill-based empowerment as a strategy for economic resilience in rural communities.
Analisis Tekno Ekonomi Produksi Briket Tempurung Kelapa Qanitah, Qanitah; Hidayatullah, Farhan Syarif; Susmiati, Yuana
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 14 No. 01 (2024): Artikel Riset Edisi April 2024
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

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.
Analysis of biodiesel process from waste cooking oil using heterogeneous catalyst field snail shell (pila ampullacea) Ridho, Ainur Rosyid; Prasetyo, Dafit Ari; Susmiati, Yuana; Ulma, Zeni
Jurnal Polimesin Vol 22, No 2 (2024): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i2.4287

Abstract

Biodiesel is an alternative fuel in the form of Fatty Acid Methyl Ester (FAME) which can be renewed using vegetable oils and animal oils through esterification or transesterification processes. This study used waste cooking oil as a raw material for biodiesel with a CaO catalyst from the shells of field snails (Pila ampullacea) which were calcined for 4 hours at a temperature of 700°C. This experiment aim to study of the effect of temperature (55°C, 60°C, 65°C) and catalyst weight (4%, 6%, 8%), for 2 hours the transesterification process and the molar ratio of oil to methanol was 1:9. Crude Biodiesel from the transesterification process washed using dry washing method with activated coconut shell charcoal which has been activated using 1M H3PO4. Based on this research, the optimum yields about 91,5%-volume, were obtained in A2T2 with temperature 60°C and a catalyst weight of 6% with a biodiesel yield of 91.5%. The characteristics of the biodiesel produced were kinematic viscosity 3.32 cSt, density 863 Kg/m3, acid number 0.543%, iodine number 14.3%-mass, methyl ester content 169.12% and cetane number 43.28%-mass.
Manufacturing Non Adhesive Biobriquettes With Main Ingredients From Cow Manure Waste at Dairy Cows Teaching Factory Rachmanita, Risse Entikaria; Aminullah, Muhammad; Susmiati, Yuana; Febriani, Siti Diah Ayu; Rudiyanto, Bayu
International Journal of Technology, Food and Agriculture Vol. 1 No. 1 (2024): February
Publisher : P3M Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/tefa.v1i1.4511

Abstract

Biobriquettes are solid energy source that comes from biomass that is compressed under a certain pressure. The development of non-adhesive biobriquettes has not been widely carried out. Teaching factory (TEFA) Dairy Cows Politeknik Negeri Jember have 51 cows and products ± 18-20 kg/day of cow manure which have not managed optimally. On the other side of district Jember produces 1,945 tons of coconut shell waste per year which is pill up, thrown away and used as stove fiel or simply burned. This research was conducted with an experimental method using composition variations of raws material and mixed material to obtain the best mixture ratio for biobriquettes, 4KS6AR (40% : 60%), 5KS5AR (50% : 50%), 6KS4AR (60% : 40%). The raw material for cow dung is cleaned from grass fibers. The coconut shells raw material that has been dried in the sun, then pyrolyzed at a temperature of approximately 200-250ºC for 6-7 hours, then ground to size of 40, 60 and 100 mesh. From the tests that have been carried out, the most optimal value to quality standards of National Standard of Indonesia (SNI) 01-6235-2000 is with a water content of 2,382 %, calorific value of 6.650 cal/g.
Aplikasi Model Gompertz pada Pertumbuhan Saccharomyces cerevisiae (Bakery Yeast) Susmiati, Yuana; Ari Nugroho , Darmawan
Jurnal Ilmiah Inovasi Vol 25 No 3 (2025): Desember
Publisher : Politeknik Negeri Jember

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Abstract

Glukosa merupakan nutrisi yang sangat penting bagi pertumbuhan Saccharomyces cerevisiae. Kecukupan glukosa menjadi faktor yang sangat penting didalam menjamin pertumbuhan, dan model persamaan matematis antara kecukupan gula dengan pertumbuhan mikroorganisme perlu dilihat untuk menentukan pola pertumbuhaan. Pertumbuhan Saccharomyces cerevisiae, dapat digambarkan pada suatu kurva yang didalamnya terdapat fase pertumbuhan yaitu lag, eksponensial, stasionary dan kematian. Untuk menganalisa laju pertumbuhan Saccharomyces cerevisiae dapat dilakukan dengan aplikasi model matematika salah satunya adalah model Gompertz. Pada penelitian ini dilakukan proses inokulasi Saccharomyces cerevisiae pada media PDB (Potatoes Dextrose Broth) dengan konsentrasi larutan gula 0,5% dan 2%, kemudian diinokulasikan  dengan metode spread plate pada medium PDA (Potatoes Dextrose Agar), dan dihitung jumlah koloni yang terbentuk. Hasil penghitungan jumlah koloni selanjutnya dilakukan analisa pertumbuhannya dengan model Gompertz. Hasil penelitian menunjukkan bahwa model Gompertz dapat menggambarkan laju pertumbuhan Saccharomyces cerevisiae pada media dengan konsentrasi gula 0,5% dan 2%, dan didapatkan nilai laju pertumbuhan maksimum 0,568236 dan 0,434101 serta nilai R2 sebesar 0,9888 dan 0,9875. Nilai R2 tersebut menunjukkan bahwa kesesuaian model tersebut sangat kuat.
Co-Authors Afianah, Nuzula Agus Nursalim Agus Susanto Ari Nugroho , Darmawan Ari Prasetyo, Dafit Arifin Tasrif Ayu Perwiraningrum, Dhyani Bambang Purwantana Bambang Purwantana Bayu Rudiyanto Bayu Rudiyanto Beni Widiawan Beni Widiawan, Beni Danial Ahmad Fauzi Denny Trias Utomo Dessy Putri Andini, Dessy Putri Dora Candra Dewi, Riskha Dwi Setyaningsih Elly Antika, Elly Farhan Syarif Hidayatullah Febriani, Siti Diah Ayu Hariadi Subagja Hidayatullah, Farhan Syarif Kadhafi, Abu Michael Joko Wibowo Mochamad Nuruddin Mochamad Nuruddin Mochammad Nuruddin Mohammad Syarif Muhammad Aminullah, Muhammad Nursigit Bintoro Nursigit Bintoro Nurul Karimah, Rinda Prasetyo, Dafit Ari Qanitah Qanitah Qanitah, Qanitah Rachmanita, Risse Entikaria Ridho, Ainur Rosyid Risse Entikaria Rachmanita Rohmadini, Fira Sri Rahayoe Sri Rahayoe Syarif, Mesbahul Titi Candra Sunarti Ulma, Zeni Utomo , Denny Trias Wicaksono, Damar Canggih Yuli Hananto ZAINUL ARIFIN