ABSTRACT Ethanolamine or monoethanolamine specially is organic compound that has two function group, primary amine and primary alcohol. Ethanolamine widely used as raw material production of surfactant, cosmetic, and inhibitor corrosion. Raw material production ethanolamine using ethylene oxide and ammonia with SABIC Technology process. Indonesia’s ethanolamine consumption is fulfilled with …
ABSTRACT Technological advancements have altered Indonesians’ television viewing habits from analogue to digital television and the popularity of video-on-demand services. However, the enhancing use of video-on-demand services poses a challenge to sustaining servers’ performance in the face of high demand. The solution is implementing efficient load balancing and scheduling algorithms, s…
ABSTRACT Waste is a problem that never ends when discussed. Indonesia itself is listed as the second largest waste producing country in the world after China. This is proven by the increase in the amount of waste in Indonesia by 0.8 million tons from 67 million tons in 2019 to 67.8 million tons in 2020. To overcome this waste problem, the best solution is needed, such as creating a classificat…
ABSTRACT Concrete in a seawater environment is prone to damage due to the high salt content in seawater. Seawater intrusion causes salt crystallization in concrete pores. tidal conditions resulting in wet-dry cycles on the structure accelerate the crystallization process. Therefore, the characteristics of concrete will be studied using shell powder and silica fume as a substitute for cement to…
ABSTRACT Formaldehyde is the simplest aldehyde in terms of chemical structure. At room temperature, formaldehyde is a colorless gas with a pungent odor. It is highly reactive, readily polymerizes, is highly flammable, and can form detonative mixtures in air. The factory that will be built aims to increase the country's foreign exchange and open up new job opportunities for residents around…
ABSTRACT Ethanolamine or better known as monoethanolamine is an organic compound with the chemical formula C2H7NO which has two functional groups, namely primary amine and primary alcohol. Ethanolamine is generally used as a raw material for surfactants, cosmetics, corrosion inhibitors, and solvents to absorb impurities in natural gas. The need for ethanolamine in Indonesia is still met throug…
ABSTRACT Methyl chloride is one of the materials that is needed in the silicon industry, as an ingredient in agricultural medicines, as an ingredient in the synthetic rubber industry, as a raw material for making methyl cellulose, making fuel additives (Tetra Ethyl Lead), and can be used as an ingredient in floor cleaner industry. The need for methyl chloride increases over time. The increase …
ABSTRACT Butanediol (BDO) is an important element in the long production chain consisting of various intermediates and derivatives, which are used in various industries and applications, including electronics, cosmetics, pharmaceutical and agrochemical industries, production of solvents, paints, coatings, adhesives, wetting agents, textiles, paper, etc. The process used to produce BDO is Malei…
ABSTRACT One of the efforts that can be undertaken in coastal erosion mitigation is the construction of coastal protection structures. Coastal buildings serve as protection for coastal areas from wave potential and sediment transport. However, over time, coastal protection structures will experience damage due to erosion and waves. The damage that occurs to coastal buildings can range from…
ABSTRACT The oil palm plantation landscape of PT Bumi Palma Lestari Persada (BPLP) is an area where there is a peat dome in the Sungai Enok-Sungai Batang KHG, which plays an important role in water treatment to maintain the peat ecosystem. BPLP also builds many canals, which if not managed properly can cause peatlands to continue to degrade. Good water management is the key to environmentall…
ABSTRACT Vacuum freeze drying is a drying method that is carried out at low temperatures, reducing product damage caused by high temperatures. Rice is very easily damaged and seasonal, so farmers who apply it are recommended that the cultivation technology will produce large quantities of rice at harvest, including the durability of fresh rice grain which is not good at ± 5 days, is easily …
ABSTRACK Black Soldier Fly (BSF) larvae have been studied to be able to decompose organic waste by utilizing the larvae which will extract energy and vegetable waste, animal carcass food scraps, and feces as organic matter. BSF larvae residue from the remaining decomposition process of organic waste used as compost contains nutrients for fertilizer. This study aims to identify temperature, p…
ABSTRACT PT. Indah Kiat Pulp & Paper which is the largest paper mill in Southeast Asia located in Perawang, Siak Regency, Riau Province. This research was conducted in the unit PPM 2 (Paper Machine 2) with a work area of 5000 m2 which is a white paper production unit for printing and copying paper. The mechanical process of processing wood into pulp and paper using machines and work tools …
ABSTRACT Sabak Auh District, Siak Sri Indrapura Regency, with an area of 10,858 km2 and a population of 12,911 people. To meet their daily needs, the people of Sabak Auh use groundwater and rainwater. The soil conditions in this area have a high level of acidity and are peaty causing the ground water to become very turbid and brown in color which contains organic compounds. This situation make…
ABSTRACT Based on data from the Central Statistics Agency for 2021, sago plantations in Meranti Islands Regency have an area of 40,150 hectares, with a total production of 247,010 tonnes. Referring to Nuraini's research in 2015, it is known that the sago processing process will produce around 48% starch and the remaining product is in the form of sago pulp which becomes waste. From 1 ton of sa…
ABSTRACT Agriculture is one of the sectors that contributes to greenhouse gas emissions, which can lead to global warming. Greenhouse gas emissions from the agricultural sector have increased by 14.4% since 2000 on a national scale. The purpose of this research is to analyze greenhouse gas emissions from the agricultural sector in Pekanbaru City using the Intergovernmental Panel on Climate Cha…
ABSTRACT The reliability of the distribution system is a key factor in ensuring a stable supply of electricity to customers. A reliable electricity distribution system has the ability to avoid or minimize power outages, and is able to quickly restore power supply in situations of blackouts. In order to measure and analyze the level of reliability of the electricity distribution system, the met…
ABSTRACT The effluent treatment process at PT RAPP is divided into two treatment steps, which are primary treatment and secondary treatment. This process is basically an aerobic process, which converts organic carbon dioxide into CO2 and H2O, NH4 and new biomass cells. Oxygen is supply by mechanical blowing of air. The most general and extensive wastewater treatment system is the activated slu…
ABSTRACT Time history analysis is a process of analyzing the structural response to dynamic loads that vary over time. The dynamic load applied in this analysis is in the form of earthquake time histories. In Indonesia, this analysis method faces limitations due to the availability of earthquake data. However, this constraint can be overcome by using earthquake data from other regions, althoug…
ABSTRACT When designing a car, it is very important to pay attention to the construction and design of the vehicle. This is useful for obtaining user safety and comfort in driving a car. In this study the design of the body of the car is to have Aerodynamic value and Drag Coefficient as small as possible. Coefficient Drag(Cd) which is large in a vehicle has a considerable influence on efficien…