Penelitian ini bertujuan untuk menganalisis implementasi kebijakan pengelolaan sampah di Kota Ternate serta mengidentifikasi faktor-faktor yang mendukung dan menghambat proses implementasi tersebut. Latar belakang dari penelitian ini adalah meningkatnya volume timbulan sampah akibat pertumbuhan penduduk dan perubahan pola konsumsi masyarakat, yang belum diimbangi dengan sistem pengelolaan sampa…
The use of agricultural tools and machines continues to be developed to improve land processing efficiency, including in the creation of soil ridges. Ridger plow is one of the tools and machines that functions to form furrows in the soil to produce ridges. This study aims to test the performance of a single ridger plow on an 8.5 HP hand tractor based on two treatment factors, namely the depth o…
This study aims to determine the best operating conditions based on the effect of Ni/C catalyst weight percentage and temperature on hydrocracking of lignite coal pyrolysis products. The hydrocracking process was carried out using variations in catalyst weight percentage of 5, 10, 15, dan 20% also using temperature variations of 400, 450, 500, 550, and 600°C. Catalyst characterization was cond…
In this research, lignite coal is used as raw material for making coal oil. The method used is the pyrolysis method using temperature variations of 450-600°C. The coal oil resulting from pyrolysis was analyzed using GC-MS, %yield, specific gravity, and heating value. The optimal temperature obtained in the lignite coal pyrolysis process is 500°C. The results of GC-MS analysis showed that the …
This research aims to synthesize Fe3O4/activated carbon@NiO composite used in the adsorption and degradation process of Congo red dye. Nanomagnetic Fe3O4 utilized to reduce the band gap value of NiO as well to impart magnetic properties. Activated carbon from bamboo is utilized as an adsorbent in the adsorption process and NiO as a photocatalyst in the degradation process. The Fe3O4/activated c…
According to data from the Ministry of Public Works and Public Housing (PUPR) in 2022, South Sumatra is one of the regions with a high rate of road damage in Indonesia, including numerous potholes. To address this issue, an automatic pothole detection system using deep learning and GPS-based mapping was developed. This system involves data preprocessing and mapping to create a representative da…
This study aims to determine the effect of utilization, quality, and security of Accounting Information Systems (SIA) on the performance of micro, small and medium enterprises. The research sample was taken by a number of MSMEs in Palembang City which engaged in the industry, trade and various services sectors with a total sample of 34 MSMEs with observations of 100 respondents. The results of …
Tujuan penelitian ini adalah untuk menganalisis perubahan warna buah jeruk menggunakan program pengolahan citra dan mengetahui hubungan antara perubahan warna buah jeruk terhadap sifat fisika serta kimianya selama proses degreening berlangsung. Penelitian ini dilaksanakan di bengkel, laboratorium Kimia Hasil Pertanian dan laboratorium Mikrobiologi Jurusan Teknologi Pertanian, Fakultas Pertanian…
Penelitian ini bertujuan untuk mengetahui penurunan kadar air kedelai yang dikeringkan pada pengering rumah hibrid. Penelitian dilaksanakan di Agrotechnopark, Desa Bakung, Kecamatan Indralaya, Kabupaten Ogan Ilir mulai bulan September 2007 sampai dengan Juli 2008. Perlakuan yang diterapkan adalah pengeringan menggunakan energi sinar matahari serta pengeringan menggunak energi sinar matahari dan…
harga CPO dunia diperkirakan akan terus meningkat akibat pasokan yang ketat. Nilai strategis dan ketatnya persaingan merupakan tantangan yang harus diatasi perusahaan-perusahaan berbasis kelapa sawit di Indonesia. Kunci untuk mengatasi tantangan tersebut adalah menghasilkan produk dengan mutu terbaik atau dengan kata lain memiliki keunggulan kompetitif dalam mengantarkan value superior ke konsu…
The research aims to analyze that feasibility of garbage making become Organic Fertilizer Factory Building from fmancial aspect, and measure of feasibility Garbage sensitivity of Making Become Organic Fertilizer Factory Building variables ouiput and inpui products. The research has been started since July to August 2006. The method of this research is case study method because this Organic Fert…
Penelitian ini bertujuan untuk menganalisis besarnya pendapatan usahatani kelapa dan pendapatan usaha pengolahan kelapa menjadi minyak kelapa mumi, menganalisis nilai tambah dari usaha pengolahan kelapa menjadi minyak kelapa murni serta menganalisis skala usaha ekonomis dari pengolahan kelapa menjadi minyak kelapa murni. Pengumpulan data dilaksanakan pada bulan Juli 2004. Metode yang digunakan …
Penelitian ini bertujuan untuk mempelajari cara pengolahan tanah yang berbeda terhadap pertumbuhan dan produksi tanaman jagung. Penelitian ini dilakukan dengan metode Rancangan Acak Kelompok Non Faktorial yang terdiri dari tiga taraf perlakuan pengolahan tanah yang terdiri dari perlakuan pengolahan tanah konvensional, minimum, dan tanpa olah tanah. Hasil penelitian menunjukkan bahwa pertumbuhan…
Pertumbuhan jumlah penduduk serta pergeseran gaya hidup di kalangan masyarakat modern akan terus meningkatkan laju konsumsi masyarakat yang secara otomatis akan meningkatkan bertambahnya volume sampah. Apabila sampah tidak dapat dikelola dengan baik, maka akan menjadi bencana bagi masyarakat itu sendiri dan untuk mengelola sampah tentunya diperlukan partisipasi masyarakat. Oleh sebab itu peneli…
This research aims to produce a water filtration membrane based on a mixture of Polyvinylidene Fluoride (PVDF) with the addition of Silver Nitrate (AgNO3). The research methodology includes preparation of tools and materials, material mixing process, flat sheet molding method, tensile testing, Clean Water Permeability (CWP) testing, and Scanning Electron Microscopy (SEM) observations. Three var…
Penelitian ini membahas pemanfaatan teknologi arcing plasma dan dielectrical barrier discharge (DBD) untuk pengolahan limbah tekstil. Pengujian kali ini menggunakan chamber ½ bola dengan variasi jarak celah 1 dan 2mm menggunakan alumunium tape sebagai grouding pada tabung dan tanpa alumunium tape. Hasil pengukuran melihatkan konsentrasi ozon tertinggi pada chamber ½ bola dengan variasi jarak …
Penelitian ini melaporkan mengenai efektivitas paparan ozon dalam membersihkan air bilasan laundry dengan menggunakan metode kombinasi arcing plasma dan dielectric barrier discharge (DBD) dalam menghasilkan ozon. Penelitian ini juga menganalisis pengaruh variasi jarak celah antar elektroda batang berbahan stainless steel dengan ukuran 1; 1,5; dan 2mm. Pembangkitan tegangan tinggi menggunakan tr…
Raw water is an important component as a source of drinking water. Economical, easy-to-implement, and regenerative treatment methods are essential to obtain clean water. In this study, activated carbon was synthesized from palm kernel shells using ZnCl₂ as an activator. The activated carbon was then modified with Fe₃O₄. The resulting activated carbon and activated carbon-Fe₃O₄ product…
The textile industry is one of the sectors that generates large volumes of liquid waste containing complex organic compounds, synthetic dyes, and various chemicals that are difficult to degrade, thus posing a significant threat to aquatic environments. In this study, ozone was generated using the Dielectric Barrier Discharge (DBD) method with a rod–spiral electrode configuration to enhance oz…
This study examines labor productivity, technical efficiency, and the correlation between the two in the tobacco processing industry in Indonesia (ISIC 120). This study uses a type of time series data with a period from 2003 to 2022. The research data was obtained from the Central Statistics Agency (BPS) of Indonesia, the Ministry of Industry of the Republic of Indonesia, and the Ministry of Tr…
This study aims to examine the influence of system use and user satisfaction of accounting information systems on employee performance at Bank Sumsel Babel Prabumulih Branch, both partially and simultaneously. With purposive sampling method, 30 employees who used the accounting information system with the Bank Vision application were obtained. Data was collected by conducting interviews directl…
This study aimed to determine the effect of differences in temperature and drying time on the physical, chemical, and sensory characteristics of Arabic jujube tea drinks. This research was conducted in February 2024 at the Agricultural Product Chemistry Laboratory, Agricultural Product Technology Study Program, Department of Agricultural Technology, Faculty of Agriculture, Sriwijaya University.…
Papay Farm is a micro, small, and medium enterprise (MSME) specializing in the sale of fresh fruit. To carry out its operations, Papany Farm still uses a manual sales recording system, using notebooks or simple spreadsheets like Excel. This manual system presents several problems, including potential data loss, frequent transaction recording errors, difficulty in preparing sales reports, and si…
TIN PROCESSING AT PT TIMAH TBK PRODUCES HUGE AMOUNTS OF TAILINGS. THE TAILINGS STILL CONTAIN MANY VALUABLE MINERALS, ONE OF WHICH IS THE MINERAL ILMENITE (FETIO3). ILMENITE MINERAL HAS GREAT POTENTIAL FOR VARIOUS HIGH-PERFORMANCE EQUIPMENT PURPOSES. HOWEVER, IN INDONESIA, THE MINERAL ILMENITE IS ONLY PRODUCED AS A BY-PRODUCT. BASED ON ITS MAGNETIC PROPERTIES, TO OPTIMIZE THE RECOVERY OF ILMENIT…
Indonesia, as the world’s largest producer of palm oil, generates a considerable amount of palm kernel shell (PKS) waste that remains underutilized. Palm kernel shell ash (PKSA), rich in silica and carbon, has the potential to serve as an economical, environmentally friendly, and easily available reinforcement material for Aluminium Matrix Composites (AMC) derived from industrial waste. This …