ABSTRACT Generator sets (gensets) are one of the main sources for generating electrical energy, especially in areas not yet covered by the main electricity grid. Optimal generator set performance depends heavily on the stability and balance of its components. This research aims to design and manufacture generator set supporting components that can improve operational stability, energy efficien…
ABSTRACT Heavy metal pollution such as lead (Pb²⁺) in industrial waste is a serious environmental problem because it is hazardous and toxic which can disrupt human health and ecosystems. This study aims to determine the effect of temperature and adsorption time on the adsorption capacity and effectiveness of lead ion adsorption using activated charcoal adsorbent from corn cobs that have bee…
ABSTRACT Heavy metal pollution such as lead (Pb²⁺) in industrial waste is a serious environmental problem because it is hazardous and toxic which can disrupt human health and ecosystems. This study aims to determine the effect of temperature and adsorption time on the adsorption capacity and effectiveness of lead ion adsorption using activated charcoal adsorbent from corn cobs that have bee…
ABSTRACT ECF (Elemental Chlorine Free) bleaching is a pulp bleaching method that does not use elemental chlorine (Cl₂) directly, but instead utilizes chlorine oxide (ClO₂)-based compounds as the primary agent. This technology was developed to reduce the formation of harmful organochlorine compounds such as dioxins, making it more environmentally friendly than conventional elemental chlorin…
ABSTRACT The proposed construction of a propylene oxide (PO) plant with a capacity of 25,000 tons per year will be carried out in Bontang Utara District, Bontang City, East Kalimantan. The location was chosen due to its proximity to raw material sources and the availability of supporting infrastructure such as ports, distribution networks, energy supply, and industrial water. Domestic demand f…
ABSTRACT The demand for acetic acid in Indonesia continues to rise in line with the growth of downstream industries, while domestic production capacity remains limited, making supply still dependent on imports. Import volume has grown at an average rate of 7.5% per year. This condition underlies the need for the establishment of a domestic acetic acid plant. The Bontang Industrial Estate, East…
ABSTRACT Ethylene is one of the main petrochemical feedstocks with a wide range of industrial applications, including as a raw material for plastics, textiles, polyester fibers, detergents, and various other chemical products. The demand for ethylene in Indonesia continues to increase, while domestic production capacity remains limited at around 900 thousand tons per year. This condition for…
ABSTRACT Tracer study is a key instrument for higher education institutions to evaluate graduates’ success in the labor market and the relevance of competencies learned during their studies. This research implements a web-based alumni distribution system integrated with Geographic Information System (GIS) in the Informatics Engineering Study Program at Universitas Riau. The proposed solution…
ABSTRACT Micro, Small, and Medium Enterprises (UMKM) in the culinary sector face challenges in production efficiency due to the limitations of the equipment they use. Many business owners still rely on manual methods or simple machines that are unhygienic, inefficient, and difficult to clean. To address these issues, this final project aims to modify a manual meat grinder into a motorized syst…
This research aims to examine the development of the Makan Sirih Dance in shaping and representing the cultural identity of the Malay community in Pekanbaru City. This dance was first created by O.K. Nizami Jamil at the beginning of the formation of Riau Province as a performance to welcome honored guests in official state events. Over time, the Makan Sirih Dance has undergone a shift in functi…
The purpose of this study was to determine whether the application of a play approach can improve forward roll floor gymnastics skills. The benefits of this study are to provide educators with an overview of the use of the application of an appropriate play approach in teaching and learning activities, so that it can improve students' abilities in performing forward roll floor gymnastics mo…
Students in Indonesia, especially in the Pekanbaru area, one high school in Pekanbaru have problems writing descriptive texts. Based on my internship experience in teaching at the school under investigation in Pekanbaru, the problem is the lack of student interest in learning English, and the learning process does not take place efficiently, making it difficult for students to understand the le…
Pakistan is one of the countries most vulnerable to the effects of climate change. The climate crisis in Pakistan reached its peak in 2022 with nationwide flooding that caused massive losses and damage and triggered a massive internal displacement of the population. Not only did the disaster affect the local population, but it also impacted refugees, particularly Afghan refugees who had long so…
Uncontrolled population growth can cause various problems, such as an increasingly rapid population growth rate, population density and uneven population distribution, as well as an increase in poverty levels due to the demographic bonus. As the capital city of Riau Province, Pekanbaru continues to experience an increase in population every year, which impacts the burden on public services and …
This study aims to analyze Indonesian public sentiment regarding the issue of Indonesia's participation in the BRICS Summit through the social media platform Twitter (X). The method used in this research is the Convolutional Neural Network (CNN) for sentiment classification, combined with Fasttext as the word embedding technique. Data were collected through web scraping, resulting in 2,025 twee…
Digital transformation has driven Bank Negara Indonesia (BNI) to introduce the wondr by BNI application as a replacement for BNI Mobile Banking. This study aimed to analyze user sentiment regarding this transition through user reviews collected from the Google Play Store. A total of 35,644 review data were classified into three sentiment categories: positive, neutral, and negative. To address c…
Makeham’s law considers two mortality rates, namely a constant mortality rate representing deaths due to factors unrelated to age, such as accidents or conge- nital diseases, and a mortality rate that increases with age due to senescence. This renders Makeham’s law to provide a precise calculation of mortality proba- bilities, thereby a more accurate calculation of premium reserves and miti…
ABSTRACT The phenomenon of unlicensed racing or illegal racing is increasingly prevalent in the jurisdiction of the Mandau Sector Police, especially at night until the early morning. This activity is not only unlawful but also causes public unrest and disturbs public order. Although the police have taken action, similar cases remain recurring and indicate the weak effectiveness of law enfo…
ABSTRACT The phenomenon of love scamming, a form of digital fraud based on deceptive romantic relationships, has increasingly emerged in line with the rapid advancement of information technology. Offenders exploit social media platforms and dating apps to build false emotional connections with the intent of financial exploitation. In West Sumatra, this type of crime has raised significant …
ABSTRACT The aim is to determine the differences in risk-taking courage, self-efficacy, motivation and entrepreneurial interest between management and economics students, to determine the effect of courage to take, self-efficacy and entrepreneurial motivation partially and simultaneously on entrepreneurial interest The population of this study were students of the Department of Management …