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 …
The palm oil industry in Indonesia produces large amounts of biomass waste, one of which is palm kernel shells that have the potential to be used as composite reinforcing materials. This study aims to utilize PKSA resulting from combustion at 900°C for 4 hours as an additional reinforcement in aluminum 6063-based aluminum matrix composites (AMCs). The use of PKSA containing SiO₂ is expected …
Water quality is crucial, because polluted water can endanger human life and other living things. One of the largest sources of pollution comes from industrial waste, but household waste is also no less influential. often, pollution occurs due to poor waste management. Several factors that need to be considered before disposing of waste into the environment are acidity levels (pH), BioChemical …
Household wastewater contains various dissolved substances (Total Dissolved Solids/TDS) that can reduce environmental quality if not properly controlled. This study aims to design and implement an Internet of Things (IoT)-based monitoring and control system for TDS levels using an ESP32 microcontroller, two automatic pumps, and activated carbon and air conditioner water as filtration media. The…
Penelitian ini akan digunakan sebagai bahan baku pembuatan membran polimer Polythersulfon (PES). Sifat-sifatmembran diketahui dengan mengetahui karakteristik membran yang dapat mengetahui efektivitas dan efisiensi membran yang dibuat dengan adanya pengujian parameter. Kajian parameter yang digunakan yaitu kuat tarik, struktur mikro, dan permeabilitas membran. Membran ini dibuat dengan menggunak…
Young coconut water (Cocos nucifera (L.) was a clear liquid found within the endosperm of young coconuts. It was highly susceptible to microbial contamination and quality deterioration due to air exposure. Thermal processing was commonly used to preserve liquid beverages. This study aimed to evaluate the effects of different heating methods on the chemical and microbiological properties of youn…
This research aims to design a Cloud Radio Access Network (C-RAN) Fair Network model based on Demand Response and Heterogeneous Incentives using a linear utility function and optimizing the problem of consumers using bandwidth using three financing schemes, namely: flat-fee, usage based and two-part tariff. Then perform a sensitivity analysis to identify parameter changes that can generate prof…
Cluster analysis is a multivariate statistical analysis method used to group variables or objects into several groups that have certain similar characteristics so that each group will contain homogeneous objects. K-Means is one of the non-hierarchical data clustering or partitional clustering methods. Education is a fundamental need that must be fulfilled in social life. The problem of uneven e…
Indonesian government is working to improve how household waste is handled in small cities as part of its efforts to support long-term development in providing clean water and sanitation for all, as reviewed in Sustainable Development Goal 6 (SDG 6). The objective of the country is to ensure that by 2025-2045, at least 70% of people have access to proper sanitation according to the National Lon…