ABSTRACT Every country is racing in developing renewable energy potential with the natural resources they have, this is because renewable energy can be a sustainable and environmentally friendly energy supply. The Vortex turbine is one of the hydropower generator turbines which has the potential as a source of renewable energy even on a small scale. The working principle of the vortex turbine …
ABSTRACT Turbine vortex is one of the picohydro power plant water turbines. There have been various studies conducted on turbines vortex, but the efficiency obtained by each researcher has a different value. So the real efficiency of the turbine vortex can not be determined. Therefore the turbine design is carried out vortex to get real efficiency. The design is carried out based on the result…
ABSTRACT The application of power generation technology using solar cells to utilize the potential of solar energy is the right solution in reducing dependence on energy from PLN. In a solar energy generation system there are objects that need to be monitored, namely solar cells, solar charge controllers, and inverters. The design of this monitoring system consists of a voltage divider circuit…
ABSTRACT Breast cancer is one of the most terrifying types of cancer for women worldwide, including in Indonesia. Detecting the early symptoms of cancer as soon as possible is a preventive measure to reduce the mortality rate of the disease. One technology that can be used to detect objects, specifically in the field of medical diagnosis, is the micro-wave imaging system using Ultrawideban…
ABSTRACT The need for ethylene oxide in Indonesia is increasing along with the many factories that use ethylene oxide as a raw material. Ethylene oxide is one of the chemicals that has many industrial uses, such as a raw material in the manufacture of ethylene glycol, as an intermediate material and as an insecticide. In the manufacture of ethylene oxide using the Dow Meteor process, the main …
ABSTRACT Eria hospital has implemented a fingerprint attendance system, but it has some limitations such as difficulty in reading fingerprints, limited access to fingerprint scanner which is only in one place, and dependence on shared equipment. To overcome these problems, an Android-based attendance application was developed using R&D research method and Waterfall development method. This app…
ABSTRACT Along with the increasingly rapid development of the times, science and technology are now increasingly providing convenience in everyday life. where science and technology are widely applied with machines or electronics, so that human work can be done easily without wasting energy and can be completed in less time. Based on the background above, the author is interested in making a g…
Tanjungpinang City have an impact on residents such as damage to houses and educational facilities. Preventing and mitigating floods that occur periodically requires data in flooded areas for the solution to be right on target. However, the availability of data related to flood events that occurred during the 2017-2021 period in Tanjungpinang City has not been completed with the area of the…
ABSTRACT Lift or elevator is a transportation device found in multi-story buildings to facilitate people in quickly moving to desired floors. Currently, the motor commonly used as the lift's drive is a three-phase induction motor. The output of this three-phase induction motor is in the form of torque to move the lift. The weight of the passengers carried by the lift varies and affects the pow…
ABSTRACT The frequent power outages in Alahair Village result in disruption of community activities. To address this issue, a solar power plant was designed to meet the power needs of Alahair Village with a peak load of 1.8 MW. This design uses solar panels with a capacity of 350 Wp, arranged in arrays of 9 series and 37 parallels, connected to batteries and then connected to a DC to AC invert…
ABSTRACK The Kubang Raya (Pekanbaru) Road section is one of the National Roads in Riau Province with a length of 12.45 km. This section of the road is very influential in the development of the Riau region and can reduce the traffic burden on the road network in Pekanbaru City. The problem that often occurs is the reduction in service life caused by excess vehicle loads that result in damage t…
ABSTRACT Isopropanolamine (1-amino-2-propanol) is an organic compound that has an important function, both as a raw material and as a supporting material for industrial processes. To meet the domestic demand and the large export opportunities in the Southeast Asian region for Isopropanolamin, a plant for Isopropanolamine from Ammonia and Propylene Oxide is designed with a capacity of 15,000 to…
ABSTRACT Phenol (C6H6O) is one of the intermediate materials that is needed for the downstream and advanced intermediary industries. Establishment of a phenol factory with a capacity of 250,000 tons/year in Dumai, Riau, to meet domestic demand for phenol and become an export commodity in several Southeast Asian countries. Phenol is produced using the versalis/Lummus Technology process, with th…
ABSTRACT Rantau Berangin – Batas Provinsi Sumatera Barat is an important access that connects the two provinces. This road section has quite a large difference in contour and there are indications of overloads causing the decline in the design life to occur more quickly. The overlay is carried out to restore the strength of the structure during its service life so that it reaches the design …
ABSTRACT Linear Alkyl Benzene (LAB) is an organic chemical in the form of a clear liquid with the molecular formula C6H5CnH2n+1. LAB is used as a raw material in the detergent industry. LAB was chosen because it has a high level of degradation so it is environmentally friendly (biodegradable). In 1995, UOP/CEPSA introduced a method for preparing LAB using a solid catalyst, called the Detal Pro…
ABSTRACT Cumene is the general name for isopropylbenzene, which is an organic compound that is an aromatic hydrocarbon. Cumene factoy plant from benzene and propylene with a badger process is planned to be built in 2024 with a capacity of 10,000 tons/year and located in the Dumai industrial area (KID), Pelintung, Dumai City, Riau Province. The transalkylation process is the process chosen in t…
ABSRACT Urea formaldehyde is a universal material that is widely used in various industries such as the textile industry, paper industry, shipbuilding industry, plywood and furniture industry as well as to improve the brittleness and water resistance properties. In the pre-designed urea formaldehyde plant, there are 2 stages of the process, namely the process of making formaldehyde from methan…
ABSTRACT The world of education continues to grow, it's just that in certain places and areas in Riau Province, there are still limitations to access to learning tools and media that have not been evenly distributed, this of course affects the process of knowledge transfer in the field of education. Sliding book is an interactive learning book model based on mechanics and electronics or also k…
The reliability of the generating system is largely determined by the availability of operating generating units or power reserves in the generating system. The power reserve in the generating system is largely determined by the magnitude of the frequency of disturbances that occur in generating units and the amount of load served by the system. PLTU Tembilahan has a capacity of 2x7 MW with a p…
ABSTRACT Kubang Raya Road is a national road that plays an important role in connecting the Pekanbaru City area with Kampar Regency. There is some damage to the road body, thus affecting the smoothness, safety and comfort for road users. Therefore, it is necessary to maintain the condition of the stability of the road. This study aims to determine the type of damage and the right type of maint…