ABSTRACT The activity of moving goods or materials from one place to another is one of the important aspects that affect the overall efficiency and productivity in a factory. The designed mobile belt conveyor has a capacity that functions to move palm shell material to the screening machine. Therefore, a mobile belt conveyor design that has high flexibility and mobility is needed. And the …
ABSTRACT Home cleaning service is a cleaning service that can be ordered online through a mobile application. This service offers a variety of options at different price levels, depending on the type and scope of service requested. The main purpose is to assist families or individuals with busy routines who lack the time to clean or regularly maintain their homes, especially vacant houses, to …
ABSTRACT The advancement of information technology has driven digital transformation across various sectors, including the culinary industry. Rajo Coffee, a growing coffee shop in Pekanbaru, faces operational challenges due to its reliance on manual systems for transactions, inventory management, and financial reporting. These issues include long queues during peak hours, transaction recording…
ABSTRCT Population growth and transportation energy needs in Indonesia continue to increase, while the use of fossil fuel vehicles exacerbates pollution and relies on non-renewable resources. Electric cars are an environmentally friendly solution because they do not produce exhaust emissions. PWM is the process of comparing a carrier signal and a modulation signal to produce a square signa…
ABSTRACT This study analyzes the performance of the Shinobi Video NVR server based on Raspberry Pi and Docker PC in managing IP CCTV video using parameters such as bitrate, latency, jitter, packet loss, CPU and RAM usage, system temperature, network connection status, and storage usage. The results show that the Docker PC delivers more stable and efficient performance compared to the Raspberry…
ABSTRACT Dispersion power fading is one of the main problems in fiber optic communication systems, especially in long-distance transmission with high data rates. This phenomenon is caused by chromatic dispersion which causes a phase shift between signal spectra, resulting in signal power degradation and transmission quality. One effective solution to overcome this problem is the use of Dispers…
ABSTRACT Vinyl chloride is generally produced as a material for making polymers, especially polyvinyl chloride (PVC). The aim of establishing a vinyl chloride factory is to increase domestic production capacity and build Indonesia's ability to become an exporter. Vinyl chloride is produced through a direct chlorination process with the main raw materials being ethylene and chlorine. This proce…
ABSTRACT The surfactant industry in Indonesia is still very limited, even though its use is increasing. According to data from the Chemistry Center of the Indonesian Institute of Sciences (LIPI), Indonesia needs around 95 thousand tons of surfactants per year while domestic production capacity is only around 55 thousand tons per year so that as much as 44 thousand tons of surfactants are still…
ABSTRACT The preliminary design of a diisopropyl ether plant with a fixed bed reactor as the main equipment has a production capacity of 56,000 tons per year. The raw materials used in this plant design are acetone (C₃H₆O) and hydrogen (H₂). The production process of diisopropyl ether involves hydrogenation and etherification. The preparation of raw materials begins by adjusting the …
ABSTRACT Vinyl chloride monomer (VCM) is a primary raw material in the production of polyvinyl chloride (PVC), widely used across various sectors such as automotive, construction, and household applications. The demand for VCM in Indonesia continues to rise annually, yet a significant portion is still met through imports. To reduce import dependence and support domestic industrial growth, a vi…
ABSTRACT Acrylonitrile is a clear, colorless liquid with a slightly pungent odor. It is used as a chemical intermediate in the production of acrylic fibers, plastics, synthetic rubber, and numerous other products. The fluidized bed manufacturing process for acrylonitrile was developed by scientists at The Standard Oil Company (SOHIO). To meet the demand for acrylonitrile, a production plant wi…
UV-Vis spectrophotometers have been used widely and are commercially available. However, the weakness of the technique is that the price isrelatively expensive. Therefore, low-cost analytical instrument with high resolution are needed, especially visible light spectrophotometers. This research was carried out with a working principle that resembles a visible light spectrophotometer using simple…
The Purpose of this final project is to find out the implemenmtation of houseman duties in the public area of Grand Bunda Hotel. Houseman is one of the parts that plays an important role in the Grand Bunda Bukittinggi Hotel. A houseman does their job in accordance with the SOP (Standar Operational Procedure), is responsible for providing a good and comfortable welcome to guests in finding a roo…
The purpose of this study is to describe the appeal of the Asia Farm Hay Day Pekanbaru tourist attraction. This study uses a qualitative method. Data collection methods through observation, interviews and documentation. Qualitative research is an analysis whose purpose is to use interview results to produce a clear and detailed picture of field observations based on the facts found. The results…
This research was conducted on the Simpang Kualu Suka Karya pedicab driver community in Pekanbaru city with the aim of finding out and explaining the survival strategies of motorcycle rickshaw drivers in the Suka Karya Pedicab Association (PBSK) community. The basic review in this study uses the theory of survival strategies and social solidarity. To answer the problem formulation, a descriptiv…
This research was carried out in Jorong Koto Tangah Hilir, Tilatang Kamang District, Agam Regency. This study intends (1) to find out the current role of mamak towards nephews in the Minangkabau community in Jorong Koto Tangah Hilir (2) to find out the factors that cause changes in the role of mamak to nephews in the Minangkabau community in Jorong Koto Tangah Hilir. To answer the purpose of th…
The aim of this research was to obtain the physical activation time for the characteristics of activated charcoal from palm fronds in accordance with Indonesian National Standard No. 06-3730-1995. The research was carried out experimentally using a completely randomized design (CRD) consisting of five treatments and three replications. The treatment in this study ware physical activation with a…
This research aims to develop snakes and ladders learning media in history learning, especially material on the Indonesian national movement as an effort to increase the learning motivation of class XI students at SMAN 3 Mandau. This type of research is development research with the ADDIE development model which consists of 5 stages, namely analysis, design, development, implementation and…
This study was conducted to identify the types and potential of anoxygenic photosynthetic bacteria (ABF) from Dumai waters, Riau Province as biodegradation agents of solar oil. The study was conducted from January to March 2025. Sea air samples were taken from three different stations in Dumai waters reflecting the port, estuary, and industrial areas, using a purposive sampling method. The proc…
This research aims to develop a product in the form of interactive learning media for listening learning in elementary schools that is valid and practical. The method used in this research is the Research and Development development method using the ADDIE model. The ADDIE model has 5 stages starting with Analysis, Design, Development, Implementation and Evaluation. In developing this inter…