ABSTRACT Peat is soil with high water content and organic content. This causes peat to have high levels of compressibility and settlement as well as low bearing capacity. Because of this, an alternative has emerged to use helical piles which can increase the bearing capacity of peat. This study aims to investigate the effect of creep parameters and the distance between helical pile foundations…
ABSTRACT Pyridine is a heterocyclic organic compound whose structure resembles benzene where one methyl group is replaced by a nitrogen atom with the chemical formula C5H5N. Pyridine is used as a raw material for pharmaceuticals, paint solvents, rubber, and polycarbonate resins. The need for pyridine in Indonesia is still met through import activities. The pyridine plant is planned to operate …
ABSTRACT Radio over Fiber (RoF) is a system where radio frequency (RF) signals are transmitted through optical fibers to support wireless communication services. The advantage of RoF lies in its lower construction costs and economic feasibility. However, RoF systems face the issue of chromatic dispersion over certain fiber lengths, leading to significant power loss. This research focuses on th…
ABSTRACT Solar energy is one of the renewable energy sources that can be harnessed for electricity generation. One of the increasingly popular types of power generation is Rooftop Solar Power Plants (PLTS) which are installed on rooftops. These systems have gained popularity across various sectors, including residential, commercial, industrial, and government buildings. The primary goal of roo…
ABSTRACT There are several public transportation alternatives available for travelers on the Pekanbaru - Medan route, namely buses, travel, and airplanes. This study identifies alternative modes that tend to be use in each service standard or criteria. Furthermore, it becomes the first step in improving service standards and public transportation modes. The criteria considered are fare, trav…
ABSTRACT Pre-fabricated Vinyl Chloride Monomer plant of acetylene and chlorine is designed with a capacity of 89,700 tonnes/year to be planned to be built in the Balaraja Industrial Area, Banten. The plant is planned to operate for 330 days in a year with a total of 342 employees. Vinyl monomer chloride is made by hydrochlorination of acetylene with the help of K2PdCl4 catalysis at the gas pha…
ABSTR ABSTRABSTRACT Ethylene dichloride or 1,2-dichloroethane with the molecular formula C2H4Cl2 is a reactive and highly toxic organic compound characterized by a clear, oil-like liquid with a chloroform-like odor. The high demand for EDC (ethylene dichloride) in Indonesia is still met through imports from several countries such as China, the United States, Germany, Korea, and Qatar. The prod…
ABSTRACT Polyethylene terephthalate (abbreviated as PET, PETE or formerly PETP, PET-P) is a thermoplastic plastic polymer resin of the polyester group. PET is widely produced in the chemical industry and is used in synthetic fibers, beverage bottles and food containers, thermoforming applications and combined with glass fibers in engineering resins. PET is also a raw material in the textile in…
ABSTRACT Potassium Phosphate (KH2PO4) is one of the few inorganic fertilizers produced locally. This fertilizer consists of the main components of potassium and phosphate where these elements are macronutrients needed by plants. The need for imports of Potassium Phosphate in Indonesia has tended to increase in the last five years. Potassium Phosphate production plants are still minimally estab…
ABSTRACT Polypropylene is a thermoplastic polymer that has the following monomeric structure: -CH2=CH2. Polypropylene is the raw material for making various kinds of plastic goods with the current market price of 2500-3000 USD/ton. Polypropylene is an important and widely used thermoplastic polymer. The development of various variations and the breadth of its use, it is possible to manipulate …
ABSTRACT Indonesia as a developing country currently is trying to fulfill the needs of various chemicals to accelerate industrialization process. The need for lactic acid in Indonesia is currently still met by imports. Based on BPS 2021 data, total lactic acid imports in 2020 is amounted to 8,308,802 Kg. Therefore, efforts are needed to develop domestic lactic acid production to reduce depende…
ABSTRACT Ethylene dichloride or 1,2-dichloroethane with the molecular formula C2H4Cl2 is a reactive and highly toxic organic compound characterized by a clear, oil-like liquid with a chloroform-like odor. The high demand for EDC (ethylene dichloride) in Indonesia is still met through imports from several countries such as China, the United States, Germany, Korea, and Qatar. The production …
ABSTRACT The utilization of solar energy to generate electricity using solar panels is still very limited at present. Indonesia's astronomical location, which results in constant sunlight throughout the year, highlights the need to harness the solar potential in Indonesia as effectively as possible. The increasing use of gadgets in Indonesia also emphasizes the necessity of having available po…
ABSTRACT Purnama beach is located in Purnama Village Dumai City, Riau. Coastal areas have problems that often occurs, one of them is erosion, Efforts That’s can be made in overcoming coastel erosion are by making beach safety buildings. In order for a beach safety buildings to function optimally, it is necessary to knows its effectiveness and performance. This study aims to find information …
ABSTRACT A numerical model of signalized intersection performance analysis based on the Highway Capacity Manual of Indonesian 1997 (MKJI 1997) is required to calculate the performance of signalized intersections in the effective and efficient manner. The modeling is formed by algorithmising the process of calculating the performance of signalized intersections based on MKJI 1997. The issue tha…
ABSTRACT The Pekanbaru City Population and Civil Registration Service recorded that the population of Pekanbaru City in 2022 will reach 1,085,000 people. This figure has increased by 11 thousand people from 2021 which amounted to 1,074,000 people. An increase in population can cause many problems, especially transportation problems such as the high number of traffic accidents. Data from the Pe…
ABSTRACT Aniline is an organic compound which is included in the aromatic compounds with the molecular formula C6H5NH2. Aniline is used as an initial raw material for the synthesis of dyes, vulcanization accelerator for rubber, production of herbicides, pesticides and medicines. Its most important use is found in the synthesis of methylene diphenyl diisocyanate (MDI) which is a precursor to po…
ABSTRACT Tertiary Butyl Alcohol is one of the four isomers of butanol which is also known as Tertiary Butyl Alcohol, 2-Methyl-2-Propanol, Trimethyl Carbinol, often abbreviated as TBA an has the molecular formula C4H9OH. The main raw materials used in making Tertiary Butyl Alcohol are isobutene and water. The plant is planned to operate for 330 days per year and work continuously for 24 hours p…
ABSTRACT Phenol or hydroxybenzen is an organic compound that has one hydroxyl group attached to an aromatic ring with the molecular formula C6H5OH. Phenol is one of the intermediate materials needed for downstream industries and advanced intermediate industries including as raw material for the manufacture of bisphenol-A used in the plastics industry, raw material for the caprolactant industry…
ABSTRACT The quality of WiFi signal is one of the critical factors influencing the performance of wireless networks in dense and complex environments. Proper placement of access points (APs) in an area can enhance network coverage and optimize signal quality. However, determining the optimal location for access points in complex environments often presents a challenging and intricate problem. …