Statistics on mining accidents resulting in serious injuries and fatalities in Indonesia show an upward trend every year, with a significant increase in 2022. In response, the Director General of Mineral and Coal Mining tightened safety regulations, stipulating that operational activities in a mining area must be suspended following a fatality until improvements are implemented. PT Semesta Alam…
This study aims to analyze the effect of inventory intensity, financial distress, and gender diversity on tax avoidance in manufacturing companies in the consumer cyclicals sector listed on the Indonesia Stock Exchange during the 2022–2024 period. This study employs a quantitative approach using secondary data obtained from companies’ financial statements and annual reports. The research sa…
This study aims to record the types of insects found on immature oil palm plants (Elaeis guineensis Jacq.) and on weeds growing around them in Hamlet I, Muara Penimbung Village, Ogan Ilir Regency, South Sumatra. The presence of insects in the oil palm plantation ecosystem is very important, both as pests, natural predators, and as neutral insects that help maintain the balance of the ecosystem.…
Motivated by the low numeracy skills of students, this study aims to describe the numeracy skills of eighth-grade students in the Pythagorean Theorem material through the Realistic Mathematics Education (RME) approach with an origami context. A total of 30 eighth-grade students from SMP Negeri 3 Prabumulih, South Sumatra, were the subjects of this study. The research method used was descriptive…
The ammonium sulfate plant with a production capacity of 250,000 tons/year is planned to be established in 2035 in Gresik Regency, East Java Province, which is estimated to have an area of 10 hectares. The raw materials are Phosphogypsum (Calcium Dihydrate) and Ammonium Carbonate. The process occurs in a Continuous Stirred Tank Reactor, at a temperature of 45 oC and a pressure of 1 atm. This fa…
An ethylene manufacturing plant with a capacity of 400,000 tons/year is planned to operate in 2029 in Sukatani District, Purwakarta Regency, West Java Province, which is estimated to have an area of 65 ha. The manufacturing process of this compound refers to patent number US12215072B2. The raw material used is ethane. The reaction occurs in a single reactor of the furnace reactor type box heate…
ABSTRACT PRELIMINARY DESIGN OF A CALCIUM CARBONATE PRODUCTION PLANT WITH CAPACITY OF 60,000 TONS/YEAR Scientific Paper in the form of a Undergraduate Thesis, January 2026 Renaldi Indarto and Muhammad Azim; Supervised by Dr. Budi Santoso, S.T, M.T. Department of Chemical Engineering, Faculty of Engineering, Sriwijaya University ABSTRACT This calcium carbonate production plant with a capacity of …
Bisphenol-A manufacturing plant with a production capacity of 10,000 tons/year planned to be established in 2030 in Pandeglang Regency, Banten. With estimated area of 5,072 Ha. The raw materials for making Bisphenol-A are Acetone and Phenol. The manufacturing process for Bisphenol-A refers to Patent EP/2023 3847150 B1 “Process for Producing Bisphenol-A”. The reaction takes place in a reacto…
This research aims to analyze in depth the implementation of family social support for outpatients at the Sriwijaya Halfway House, Palembang City. Using a descriptive qualitative approach, this study examines the provision of support across four dimensions: emotional, instrumental, informational, and appraisal. Data were gathered through observation, semi-structured interviews, and documentatio…
Generation Z is the largest demographic group in Indonesia and is increasingly vulnerable to mental health challenges. This study develops and evaluates a mental health chatbot using the Rasa framework and Natural Language Processing (NLP) to provide initial support for Generation Z. The chatbot was developed following the Rational Unified Process (RUP) methodology and integrated with the Teleg…
The hull form is one of the primary factors influencing the total resistance experienced by a vessel during operation. High resistance increases propulsion power requirements and fuel consumption, thereby reducing overall operational efficiency. This study aims to compare the total resistance of several monohull hull form variations and to identify the configuration that produces the lowest res…
The increasing electrical power consumption in the manufacturing industry necessitates the optimization of machining parameters to achieve higher efficiency and sustainability. Milling Process is one of the machining operations that requires relatively high power, in which cutting parameters directly influence the machining power consumption. This study aims to analyze the effects of cutting sp…
Penelitian ini bertujuan untuk menganalisis kinerja turbin angin sumbu vertikal tipe Darrieus dengan konfigurasi tiga sudu menggunakan profil airfoil NACA 0015. Penelitian ini dilatarbelakangi oleh meningkatnya kebutuhan energi listrik serta keterbatasan bahan bakar fosil, sehingga diperlukan pengembangan sumber energi terbarukan yang berkelanjutan, khususnya energi angin. Indonesia memiliki po…
Blast disease caused by the fungus Pyricularia oryzae is one of the most important diseases affecting rice crops throughout the world and causes significant yield losses. This study involved turmeric plants that were inoculated with Pyricularia mycelium and supplemented with chitin powder. The study design used split plots with two levels of supplement in the main plots and four levels of seria…
Diseases in chili plants are commonly caused by pathogens such as fungi, bacteria, viruses, and others. These diseases can reduce both the quality and quantity of chili production. India has also reported cases of leaf curl virus, which can cause nearly 100% damage in the form of total fruit loss in chili plants. Diseases in chili plants will continue to develop if crop management is done carel…
Dalam pelaksanaan praktik keinsinyuran yang diuraikan pada portofolio ini, Penulis berperan sebagai Konsultan Individual Infrastruktur pada Program Pembinaan dan Pengawasan Penyelenggaraan Kawasan Permukiman. Kegiatan tersebut merupakan bagian dari Pembinaan Teknis Penyelenggaraan Kawasan Permukiman yang dilaksanakan oleh BPPW Sumsel, di bawah Direktorat Jenderal Cipta Karya, Kementerian PUPR p…
Research shows that Indonesian students' mathematical connection skills are still relatively low. This is due to learning approaches that do not sufficiently support the development of these skills. One effort to improve students' mathematical connection skills is to implement a problem-based learning (PBL) model. The PBL model provides students with the opportunity to develop understanding thr…