ABSTRACT The population of Rokan Hilir Regency has increased every year, the factors causing the increase in the population of Rokan Hilir Regency are the high birth rate which is influenced by local social and cultural factors, then the immigrant factor is one of the important causes of population growth in Rokan. From this increase, of course, there will also be an increase in services t…
ABSTRACT The high rate of sexual violence in Indonesia is one of the phenomena that is widely heard by the public. This has a serious impact on psychological trauma, including anxiety, depression, post-traumatic stress, feelings of insecurity, and sudden changes in behavior. Acts of sexual violence are inhumane acts, most of the victims of which are women. The Ministry of Women's Empowerment a…
ABSTRACT Indonesia has a wealth of diverse arts and cultures in each of its regions, including Riau Province which is famous for traditional crafts such as songket weaving, batik, wood carving, embroidery, weaving, and tekat. Riau Malay songket weaving is part of local MSMEs as well as one of the leading products in Pekanbaru. This fabric is often used in official government events and traditi…
ABSTRACT Indonesia, as an archipelagic country with a vast water area called maritime territory, has been recognized by the United Nations Convention on the Law of the Sea (UNCLOS) as a maritime country since 1982. This recognition aims to confirm the guarantee of Indonesia's maritime potential and strength. Among the provinces adjacent to maritime areas in Indonesia, the Riau Islands province…
ABSTRACT Cinema is an increasingly popular entertainment facility that offers film-viewing experiences with large-screen visuals and high-quality audio. In Indonesia, cinemas have evolved for over 124 years, with modern cinema chains such as Cinema 21, CGV Cinemas, and Cinepolis providing advanced viewing experiences. Bukittinggi, a major tourist destination in West Sumatra, holds significant …
ABSTRACT The Kampar region in Riau has rich tourism potential, including Muara Takus Temple as one of the relics of Hindu-Buddhist civilization in Sumatra, an important proof of the glory of the Srivijaya Kingdom and has an irreplaceable cultural attraction. Despite its historical and cultural appeal, Muara Takus Temple faces challenges in tourism management, such as a decrease in the number o…
ABSTRACT The increasing contamination of heavy metals in water bodies due to industrial activities demands the development of effective and environmentally friendly wastewater treatment methods. This study aims to determine the effect of bed height and flow rate on the adsorption process of iron (Fe²⁺) ions using activated carbon adsorbent derived from bamboo stems and activated with a …
viii The Effect of Bed Height on Iron (Fe²⁺) Ions the Adsorption Process Using Activated Bamboo Stem Charcoal Adsorbent Treated with NaOH Rizky Al Rasyid and Samuel Valentino L.T Basic Laboratory of Process and Plant Operation, Department of Chemical Engineering, Faculty of Engineering, University of Riau
ABSTRACT The OSAKA Irrigation Area (DI) in Rokan Hulu Regency, Riau Province, is an important area in supporting local agricultural productivity. This study aims to analyze the performance of the main dam structures (Kaiti Dam, Pegadis Dam, and Samo Dam) as well as the supply channels in the OSAKA Irrigation Area, based on PUPR Regulation No. 12/PRT/M/2015. The methods used include field …
ABSTRACT Hydrological modeling is one of the important methods in supporting water resources management, especially in river basins (DAS) that have complex characteristics such as the Rokan Hulu DAS. This study aims to apply the HBV (Hydrologiska Byråns Vattenbalansavdelning) hydrological model using the HBV-Light software in modeling flow discharge in the Rokan Kiri Sub-DAS, Lubuk Bendahara …
ABSTRACT The Regional Drinking Water Company (PDAM) Tirta Siak of Pekanbaru City is a government agency in the form of a Regional-Owned Enterprise (BUMD) established based on Regional Regulation (Perda) TK.I of Riau Province No. 7 of 1976. The purpose of this study is to identify the performance of PDAM within the 2017-2021 period and after the revitalization process in 2023. The evaluatio…
ABSTRACT Bengkalis has many beaches that directly border the sea without any vegetation. Bengkalis Beach is an area that is susceptible to abrasion. Therefore, it is necessary to make efforts to protect the coastline by rehabilitating mangroves on the coast that requires coastal protection structures. The purpose of this study was to evaluate the most conducive breakwater height and analyze th…
ABSTRACT Methanol is the simplest form of alcohol with the chemical formula CH3OH. Methanol is a colorless, volatile, flammable and poisonous liquid with a special odor. Methanol is an intermediate compound that is used as a raw material for various industries, including the acetic acid, formaldehyde, MTBE, polyvinyl, polyester and DME industries. The Davy-Johnson Matthey process technology is…
ABSTRACT Indonesia's demand for LPG is projected to increase by up to 2.7 times by 2050, with only one-third of the demand met by domestic production. Andaman natural gas, with a feed of 182,249.96 tons/year, is utilized as a raw material to produce 200,000 tons/year of Dimethyl Ether (DME). Methane from Andaman natural gas is converted into synthesis gas (syngas) and subsequently synthesized …
ABSTRACT Propylene is a colorless, flammable, low-viscosity organic compound that is gaseous at room temperature. Propylene is widely used as a raw material in the production of polymers such as polypropylene, which is used in the manufacture of various plastic products. In addition, propylene is also used in the chemical industry as an intermediate in the manufacture of other compounds, such …
ABSTRACT Ethyl acetate is a carboxyl ester with the molecular formula (CH3COOC2H5) or (C4H8O2) and a molecular weight of 88.106 g/mol. Ethyl acetate is a clear liquid and has a boiling point of 77oC. Ethyl acetate is a fairly polar solvent that has the advantages of being volatile, relatively non-toxic, and non-hygroscopic. The location of the Ethyl Acetate Factory with a capacity of 28,000 to…
ABSTRACT Dimethyl formamide is an organic compound in the form of a colorless liquid that can be mixed with water and most organic liquids. DMF is a common solvent used for chemical reactions. There are two types of DMF, namely pure DMF and technical DMF. The difference between these two types of DMF is in their physical properties, where pure DMF is odorless while technical DMF (grade/degrade…
ABSTRACT Methyl Methacrylate is a chemical with organic components for leather coatings, the cosmetics industry, the paint industry, the household equipment industry, the polymer industry and for other industries. The manufacture of Methyl Methacrylate at this factory uses the Direct Oxidative Esterification process. This factory is planned to operate for 330 days per year and work continuousl…
ABSTRACT Ammonia is a chemical compound with the molecular formula NH₃, consisting of one nitrogen atom and three hydrogen atoms. The raw materials for ammonia production are hydrogen, derived from light naphtha cracking, and nitrogen, obtained from atmospheric air. With the increasing global demand for ammonia, establishing an ammonia plant presents a promising opportunity, as it can create…
ABSTRACT A web-based construction project management system was developed to assist in the management of construction projects. The method used is Research and Development (R&D) with prototype development method. This application is designed to facilitate project management in monitoring, reporting progress and bookkeeping of construction projects. Testing is done in two ways, namely blackbox …