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Rancang bangun mesin screw extruder pencetak briket Saparin, Saparin; Nurdiansyah, Rahmat; Setiawan, Yudi; Wijianti, Eka
Sultra Journal of Mechanical Engineering Vol. 3 No. 2 (2024): Sultra Journal of Mechanical Engineering
Publisher : Program Studi Teknik Mesin, Universitas Sulawesi Tenggara

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

Abstract

Mesin pencetak briket adalah alat yang dirancang untuk memudahkan proses pencetakan briket. Dalam proses pencetakan briket mengunakan banyak sistem proses pencetakan dari dengan manual, hidrolik dan molding. Kebanyakan dari sistem tersebut masih mempunyai banyak kekurangan baik dari segi produktivitas, tenaga operator dan waktu yang lama. Pada penelitian rancang bangun sebuah mesin screw extruder yang dirancang khusus untuk mencetak briket, Pemilihan sistem screw extruder pada mesin pencetak briket karena sistem ini karena paling efesien untuk mengatasi masalah masalah pada sistem lainnya. Mesin ini memiliki dimensi panjang 100 cm, lebar 46 cm dan tinggi 43 cm dengan kepala corong pencetak 3 cm x 3 cm dan panjang 10 cm berbentuk persegi panjang dengan Prinsip kerja mesin adonan dimasukkan ke dalam hopper, lalu dipadatkan oleh ulir yang mendorongnya ke dalam cetakan. Mesin ini diujicobakan dalam tiga pengujian mencetak dengan massa adonan berbeda untuk mengevaluasi kinerjanya dalam memproduksi briket dengan bahan uji beban di 500 gram, 1000 gram, dan 1500 gram. Didapatkan dalam dari 3 kali pengujian briket berhasil tercetak 12 batang briket tercetak sempurna sesuai ukuran 3 cm x 3 cm dengan panjang 10 cm. Dengan adonan tertinggal dan tidak sesuai ukuran cetaknya yaitu 346,6 gram. rata rata waktu 3,34 detik. Dan hasil penelitian dapat disimpulkan bahwa mesin screw extruder pencetak briket dapat berfungsi dengan baik.
Corrigendum to: “Monitoring of Post-fire Vegetation Succession on Peat Ecosystem Area in Bengkalis Island, Riau Province” [Media Konservasi, Vol 30 Issue 3, 2025, DOI: 10.29244/medkon.30.3.423] Pudjawati, Nihawa Hajar; Pulunggono, Heru Bagus; Asy’Ari, Rahmat; Zulfajrin, Moh; Nurazizah, Lina Lathifah; Saputri, Hanum Resti; Rivai, Fathan Aldi; Setiawan, Yudi
Media Konservasi Vol. 30 No. 3 (2025): Media Konservasi Vol 30 No 3 September 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.3.470

Abstract

This corrigendum corrects errors in the previously published article.
Environmental Carrying Capacity as a Solution to Overlapping Forest Area Permits in Bulungan District, North Kalimantan Hartono, Tjahjo Tri; Yanuarsyah, Iksal; Setiawan, Yudi; Sakti, Fikri; Stephanie, Endah Nadiya
Jurnal Rekayasa Lingkungan dan Biosistem Vol. 1 No. 1 (2023)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/relibi.v1i1.418

Abstract

Research on the carrying capacity of the environment for mining activities, as indicated by the dynamics of stored carbon stocks will be carried out in Bulungan Regency, North Kalimantan in early 2022. Data was collected both through literature studies and surveys calculating tree diameter at breast height in the field as a basis calculation of stored carbon stock. Land cover spatial data analysis is used as a reference for calculating stored carbon stocks at the study site. The results of a comparison of stored carbon stocks between forest and land clearing and reclamation based on planned mining activities show that the area that can be utilized is 1,578.3 Ha. There are efforts to restore carrying capacity and carrying capacity based on mining activities with broad impacts that can be used is 1,947.84 Ha. The usable area can be increased 1.2 times from the recommended area (2,337,415 Ha) to accommodate the required land as an overburden area. This addition is made possible through the application of various appropriate technologies. The carrying capacity of the environment in this study, although only limited to the dynamics of stored carbon stocks, shows that the results can be used as a solution for overlapping permits in forest areas in accordance with the laws and regulations in effect since the Ministry of Environment and Forestry has so far provided a maximum area of 10 percent of the area areas affected by overlapping cases.
Kajian Pengaruh Penambahan Silica Fume (Limbah Sandblasting) terhadap Nilai Indeks Kompresibilitas Tanah Lempung Ekspansif Cikarang Yulianto, Udien; Oktaviani, Ike; Setiawan, Yudi; Kusumawati, Jujuk
Indonesian Research Journal on Education Vol. 5 No. 1 (2025): Irje 2025
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v5i1.2054

Abstract

Tanah lempung ekspansif adalah jenis tanah yang memiliki potensi pengembangan dan penyusutan sangat besar akibat pengaruh dari perubahan kadar airnya. Potensi tanah inilah yang sering menyebabkan kerusakan pada struktur bangunan di atasnya. Stabilisasi tanah lempung ekspansif dilakukan dengan cara perbaikan tanah, penambahan Silica fume ke dalam tanah lempung ekspansif akan memperbaiki sifat tanah dengan menurunkan nilai indeks kompresi tanah dan indeks pengembangan tanah yang diambil dari wilayah Cikarang, Jawa Barat dengan melakukan uji laboratorium. Tujuan dari penelitian ini adalah untuk mengetahui nilai indeks kompresi tanah dan indeks pengembangan tanah sebelum dan setelah penambahan Silica fume dengan persentase 5%, 10%, dan 20%. Pada penelitian ini didapatkan nilai indeks kompresi paling rendah terjadi pada campuran 10% yaitu 31,21%, nilai ini mengalami penurunan sebesar 13,73% dari nilai indeks kompresi tanah asli yaitu 36,17%. Sedangkan penurunan nilai indeks pengembangan paling rendah juga didapatkan pada campuran 10% yaitu 4,36%, nilai ini mengalami penurunan 55,78% dari nilai indeks pengembangan yaitu 9,87%.
Planning Evaluation of Wastewater Treatment System of Jakarta Islamic Hospital Sukapura Kelapa Gading Yulianto, Udien; Setiawan, Yudi
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1027

Abstract

This study aims to evaluate the effectiveness of the Wastewater Treatment Plant (WWTP) at the Jakarta Islamic Hospital Sukapura Kelapa Gading in meeting government regulations and effluent quality standards. Using evaluation and observation methods, primary and secondary data were collected to analyze the condition of the WWTP, including wastewater quality based on regulated parameters. The results showed that although the WWTP utilizes an anaerobic-aerobic biofilter system, there are still problems in maintenance and inadequate containment capacity. This resulted in the inability of the WWTP to meet quality standards for parameters such as Total Coliform and E.coli. Recommendations for improvement include increasing storage capacity, improving equipment, and increasing maintenance frequency.
Deteksi Cyberbullying dengan Mesin Pembelajaran Klasifikasi (Supervised Learning): Peluang dan Tantangan Setiawan, Yudi; Maulidevi, Nur Ulfa; Surendro, Kridanto
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 9 No 7: Spesial Issue Seminar Nasional Teknologi dan Rekayasa Informasi (SENTRIN) 2022
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2022976747

Abstract

Perkembangan teknologi media sosial tidak hanya memberikan kemudahan dalam berkomunikasi antar individu, akan tetapi juga dapat mengancam kehidupan sosial individu seperti tidakan cyberbullying. Bervariasinya pola dan karakteritik cyberbullying mengakibatkan sulitnya proses deteksi cyberbullying, yang dilakukan oleh pelaku cyberbullying. Penelitian deteksi pola dan karakteristik cyberbullying banyak dilakukan dengan berbagai metode, seperti dengan mengimplementasikan Machine Learning, Natural Language Processing (NLP), dan Sentiment Analysis yang memiliki variasi akurasi yang berbeda, dengan keunggulan dan kelemahan dari masing-masing metode. Implementasi Machine Learning untuk deteksi cyberbullying dapat dilakukan dengan berbagai algoritma, seperti algoritma probabilistik (Naïve Bayes) maupun supervised learning (Support Vector Machine, k-Nearest Neighbour, Decission Tree), dan metode lainnya yang hingga saat ini terus dikembangkan dengan berbagai pendekatan untuk meningkatkan akurasi deteksi cyberbullying atau non-cyberbullying. Adapun peluang dan tantangan penelitian deteksi cyberbullying seperti penerapan pada variasi domain bahasa, dan bentuk ekspresi yang dilakukan pada suatu lingkungan atau budaya, yang masih terdapat ruang untuk dikembangkan dan dijelajah secara luas. Pada artikel ini menjabarkan penelitian berikutnya berupa mengimplementasikan metode pembelajaran klasifikasi (Supervised Learning) dengan modifikasi tahapan untuk meningkatkan akurasi klasifikasi.
Spatial Distribution Of Andaliman Potential Habitat (Zanthoxylum acanthopodium DC.) in Samosir Island, North Sumatera Siahaan, Lasriama; Hilwan, Iwan; Setiawan, Yudi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 9 No 4 (2019): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.9.4.861-871

Abstract

Andaliman breeding and regeneration (Zanthoxylum acanthopodium DC.) in its natural habitat tends to be slow and difficult. The purpose of this research was to determine the distribution pattern, spatial character, and potential suitable habitat for andaliman growth with a suitability model approach in Samosir island, North Sumatera. Andaliman distribution pattern based on the calculation of the Standard Morisita Index (Ip) shows various patterns. There are three categories of distribution pattern, depends on the Standard Morisita Index  The distribution patterns on each plot based on the calculation are: random (Location 1 – open area (Ip = 0.00)), uniform (Location 2 – plantation forest (Ip = -0.77); Location 3 –  open field (Ip = -0.09)), and clump (Location 4 – plantation forest (Ip = 0.36)). Analysis of habitat suitability for andaliman used spatial modelling with the Principal Component Analysis (PCA) approach. This method utilized ecological variables, i.e.: Bare Soil Index (BSI), slope, Digital Elevation Model (DEM), rainfall, Normalized Difference Moisture Index (NDMI), and Normalized Difference Vegetation Index (NDVI). The result is  69.8% of Samosir Island is suitable for andaliman, while 26.4% of it is considered as highly suitable habitat.
Vegetation structure, biomass, and carbon of Mangrove Forests in Ambon Bay, Maluku, Indonesia Kaimuddin, Muhammad Irfan; Kusmana, Cecep; Setiawan, Yudi
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 13 No 4 (2023): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.13.4.710-722

Abstract

Hutan mangrove berperan penting di wilayah pesisir sebagai ekosistem vegetasi berkayu penyimpan karbon tinggi yang tumbuh pada tanah berlumpur dan anaerobik. Penelitian ini dilaksanakan pada bulan November 2021 sampai dengan Januari 2022 bertujuan untuk mengetahui komposisi jenis dan menduga biomassa dan simpanan karbon hutan mangrove di Teluk Ambon, untuk dijadikan acuan dalam pengelolaan hutan mangrove. Survei vegetasi dilakukan dengan teknik petak persegi dengan membuat petak pengamatan standar untuk analisis data kerapatan, frekuensi, dominansi, dan indeks nilai penting. Persamaan alometrik digunakan untuk pendugaan biomassa pohon. Metode loss-on-ignition digunakan untuk memperkirakan karbon tanah. Hasil penelitian menemukan 8 spesies mangrove dengan habitus pohon. Sonneratia alba ditemukan sebagai spesies monodominan dengan indeks nilai penting lebih dari 100%. Penelitian menemukan rata-rata potensi biomassa dan karbon tertinggi di Desa Passo dengan AGB 280,47±168,94 Mg ha-1, BGB 83,06±55,1 Mg ha-1, dan karbon sedimen 320,03±106,97 Mg C ha-1. Stok karbon hutan mangrove di Teluk Ambon diperkirakan sebesar 400,67±166,25 Mg C ha-1. Kami menyimpulkan simpanan karbon hutan mangrove di Teluk Ambon cukup tinggi, terutama di Desa Passo yang merupakan lahan simpanan karbon terbesar.
Planning Evaluation of Wastewater Treatment System of Jakarta Islamic Hospital Sukapura Kelapa Gading Yulianto, Udien; Setiawan, Yudi
West Science Interdisciplinary Studies Vol. 2 No. 06 (2024): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v2i06.1027

Abstract

This study aims to evaluate the effectiveness of the Wastewater Treatment Plant (WWTP) at the Jakarta Islamic Hospital Sukapura Kelapa Gading in meeting government regulations and effluent quality standards. Using evaluation and observation methods, primary and secondary data were collected to analyze the condition of the WWTP, including wastewater quality based on regulated parameters. The results showed that although the WWTP utilizes an anaerobic-aerobic biofilter system, there are still problems in maintenance and inadequate containment capacity. This resulted in the inability of the WWTP to meet quality standards for parameters such as Total Coliform and E.coli. Recommendations for improvement include increasing storage capacity, improving equipment, and increasing maintenance frequency.
MODERNISASI PENGOLAHAN PAKAN BEBEK DENGAN MESIN PENGADUK DI PETERNAKAN TARET JAYA DESA AIR ANYIR KABUPATEN BANGKA Saparin, Saparin; Wijianti, Eka Sari; Setiawan, Yudi; Suhdi, Suhdi; Rodiawan, Rodiawan; Ariksa, Jeri
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 4 No 1 (2024): Mei 2024
Publisher : Fakultas Sains dan Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/depati.v4i1.5185

Abstract

Breeding ducks has several advantages, including: 1) the stages of raising ducks are easier; growth period; 2) duck growth is much faster, need 40 days to harvest; 3) marketing of meat and egg crops is easier; and 4) you can sell other parts to ducks, duck feathers for crafts and their droppings can be used as catfish feed. For laying ducks, their eggs can be harvested when they are 5 to 7 months old. Breeding ducks promises big enough profits that one of the livestock groups "Taret Jaya" has been raising broiler ducks since 2022. The community service partner is the Taret Jaya livestock group, located in Air Anyir village, Merawang sub-district, Bangka Regency. Based on the results of the survey to partner locations, there were several partner problems, including: manual counting of ingredients, limited knowledge of duck feed mixture ingredients, limited knowledge in making duck feed (fermentation process), and the mixing process in making feed was still manual. Currently, partners chop the feed ingredients using machetes and stir the feed ingredients using a hoe. The ingredients that have been stirred are then directly given to the ducks without going through a fermentation process. Through community service at this department level, the service team provides a solution that is offered in the form of a duck feed mixer machine. Mixing time with 50-60 kg of mixed material using a machine is 6 times faster than manually, namely around 5 minutes, compared to manual which takes 30 minutes. The service team has handed over to service partners, among other things: one unit of feed mixing machine, DOD duck seeds, feed making materials, and other supporting equipment for raising livestock. With this machine, partners can increase their livestock productivity.
Co-Authors ., Soepeno Abdi, Muhammad Zainul Adam Zuyyinal Adib Aditya Saputra Akbar, Helmy AL-Farga, Ammar Alqarni, Muhammad Uwais Amiruddin Amiruddin Amiruddin Amiruddin Ammar, Esraa E. Angga Bahri Pratama Anggariani Rahayu , Devi Arif Kurnia Wijayanto Ariksa, Jeri Arnold Arnold Artikanur, Salis Deris Asy'Ari, Rahmat Asy’Ari, Rahmat Bagus Amalrullah Utomo, Bagus Amalrullah Batu Bara, Fidia Dewi Wulandari Bintarto, Muhammad al Ikhwan Budi Darmawan Budi Santoso Wibowo Cahyaningtyas, Anggita Utami Condro, Aryo Adhi DEDE AULIA RAHMAN Desi Andreswari Dianita, Meisy Dimitri Mahayana Dzulfigar, Ali Dzulhaq, Muhammad Iqbal Edwin Harsiga Edy Supriyadi Egisthi, Vonny Afriyona Eka Sari Wijianti Eka Sari Wijianti Endina Putri Purwandari Erianto Indra Putra Erlanshari, Aan ERLINA, DELLA Etty M, Endang Evayanti Redina, Wien Filgantara, Yuda Firlya Rosa Fitrah, Rahma Hidayati Fitratunnisa, Erni Pelita Forestico, Abraham Sahat Salano Gibreel Musa Saleh, Husny Gustawan, Ardya Hwardaya Handayani, Marshela Aida Harahap, Fahmi Hardika Khusnuliawati, Hardika Hari Saputro Al Haris, Firdhaus Hariyadi . Hefni Effendi Helmizar Hendi Hendra Wisastra Hermawan, Rachmad Heru Bagus Pulunggono Hilmi, Faishal I Wayan Nurjaya Ihza Manila, Hanifia Iksal Yanuarsyah Irfan Wahyudi Irfan Wahyudi Irfansyah, Dimas Iwan Hilwan Jamil, Awaludin Jeri Ariksa Kadriadi Kadriadi Kadriadi, Kadriadi Kaimuddin, Muhammad Irfan Kartika, Putri Kridanto Surendro Kusnanto Kustiyo Kustiyo, Kustiyo Kusumawati, Jujuk Kusumowardani, Dian Kuswanto, Asep Lakshita, Stefanie Laksmi Larasati, Firda Latipa Mangindalat, Rosda Leni Fitriani, Leni Lestari, Hesi Desta LILIK BUDIPRASETYO Liyantono . M. Aries Taufiq Marian, Dito Marimin Marimin Marnaek, Ronald Hot Maulana, Muhammad Ikhsan Meidiza, Riski Mirza Dikari Kusrini Montaghib, M. Ihtifanul Muhammad Arif Nasution Muhammad Satya Putra Gantada Muhdin Munggaran, Gilang Nafisah, Fathiyya Nafri Yanti Nanda Andreas Octavini NEVIATY PUTRI ZAMANI Novrian, Wili Nugroho, Setyo Pambudi Nur Annisa, Namira Nur Ulfa Maulidevi Nuraini, Resti Nurazizah, Lina Lathifah Nurdiansyah, Rahmat Nurul Habibi Nurul Renaningtias, Nurul Oktaviani, Ike Pakpahan, Dinda Krisnauli Pambudi, Wiwid Arif Pascawisudawati, Azzahra Patria, Suci Pengki Pratama Ponco, Agus Pramulya, Rahmat Pratama Pratama Pratama, Ikhsanudin Prawirosentono, Suyadi Prayogo, Agung Pangestu Prita Ayu Permatasari, Prita Ayu Pudjawati, Nihawa Hajar Purwanto, Moh Yanuar J Pusparini, Mustika Puspitasari, Ayudia Dwi Putra, Jon Putra, Marfian Dwidima Putra, Yusran Panca Putri Salsabila, Aprieza Qavidhufahmi, Akhmat Rachdian, Azar Rahmadan, Bavio Robia Rahmawati, Azelia Dwi Rahmawati, Nofi Rahmawati, Rahmawati Ramadhan, Muhammad Ikhwan Randi Randi Ridi Ferdiana Rika Setiabudi Rinda Cahyana Rini, Dyah Setyo Rivai, Fathan Aldi Rodiawan, Rodiawan Rodiiawan, Rodiawan Rudy Hartanto Rusdi Efendi Sa'diyya, Naifa Sahid Agustian Hudjimartsu Sakti, Fikri Santoso, Rika Setiabudi Saparin, Saparin Saputri, Hanum Resti Saragi, Jandri Fan HT Sari Wijianti, Eka Sarunggu, Yudith Satya Putra Gantada, Muhammad Setiawan, M.Sc, Dr. Yudi Siahaan, Lasriama Sianturi, Tulus Lamganda Singgih Afifa Putra Sirait, Migel Siti Badriyah Siti Badriyah Rushayati Solinda, Martha Sri Sri Mulatsih Stephanie, Endah Nadiya Subagijo, Djoko Subhan, Robi Septian Suhdi, Suhdi Suheri, Asep Sulaiman Sulaiman Supalal, Yusiono Suretno, Pujha Tjahjo Tri Hartono Tonoto, Prayoto Tullah, Rahmat Vitrio Sendika, Lukas Wahyuni Saragih, Destri Wardani, Tiara Pratiwi Kusumah Widiatmaka Wijanarko, Andang Wijianti, Eka Yonggi Puriza Yudi Yulianto, Udien Yunandar Yunandar Zaenal Abidin Zuhri, Muhammad Isnan Zulfajrin, Moh