Prarancangan Pabrik Polyethylene Terephthalate (PET) Dari Etilen Glikol Dan A…

Polyethylene Terephthalate (PET) is a thermoplastic plastic polymer resin from 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. The main raw materials used are terephthalic acid and ethylene glycol. This factory is planned t…

Prarancangan Pabrik Asam Levulinat Dari Tandan Kosong Sawit Dengan Desain Ala…

Levulinic acid or 4-oxopentanoic acid is a compound that has ketone and carboxylic acid groups. Levulinic acid itself is widely used in industries such as pharmaceuticals, fuel additives, agricultural products, coating materials, solvents, polymer industry, plastics industry and others. Until now, the need for levulinic acid in Indonesia is still imported from countries such as China, India, Ja…

Optimasi Proses Pelapisan PCL/HA Pada Stainless Steel 316L Dengan Memodifikas…

Until now, approximately 94% of Indonesia's healthcare equipment needs are still fulfilled by imported products. The import value of healthcare equipment in 2017 was approximately Rp20.7 trillion and increased to Rp24.3 trillion in 2018. By 2022, the import value of healthcare equipment in Indonesia reached Rp40 trillion. One of the healthcare devices that is imported is bone implants. The use …

Studi Friksi Tanah-Geotekstil Dengan Variasi Kuat Tarik Geotekstil Skripsi

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Model Tarikan Perjalanan Orang Ke Kawasan Perkantoran Disekitar Jalan Cut Nya…

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Evaluasi Kinerja Drainase Jalan Manyar Sakti Kecamatan Tampan

Urban flooding is triggered by the conversion of land use functions that were originally open areas into residential land areas. Therefore, this study aims to determine the existing condition of drainage channels and solutions to overcome problems in drainage channels in Tampan District, especially on Jalan Manyar Sakti, there is often a puddle of water during rain, because there is a lot of ga…

Analisis Pengaruh Penambahan Limbah Beton Sebagai Material Tambahan Pada Sist…

The grounding system is a part of the protection applied to the electric power system, which aims to protect the electric power system and humans from fault currents by channeling it to the ground. The ideal grounding system has a small grounding resistance value. However, in reality in the field it is not easy to obtain a small grounding resistance value, because it is influenced by the nature…

Analisis Kinerja Fiber Bragg Grating Dalam Mengatasi Dispersion Power Fading …

Radio over Fiber (RoF) is a system where Radio Frequency (RF) signals are transmitted through optical fibers used to support wireless communication services. Fiber characteristics that affect optical signal propagation include fiber attenuation and fiber dispersion. Fiber attenuation is constant, the lowest value of attenuation is 0.2 dB/Km, while the dispersion is not constant. This is because…

Rancang Bangun Sistem Monitoring Bandwidth Server (Studi Kasus: PT. Industri …

In the world of Information and Communication Technology (ICT), bandwidth is one thing that is very important and must be considered and maintained operational stability. To maintain a stable network, allocation is required bandwidth. Allocation bandwidth need information related to any peak hours that occur at PT. Digital Creative Industry, monitoring of server bandwidth is needed. Monitoring …

Penerapan Manajemen Waktu Menggunakan Network Planning Pada Proyek Pembanguna…

Based on the S curve on the time schedule for the construction of the D.I Primary Irrigation Network for the Sawah Laweh Tarusan Area in Kab. Pesisir Selatan - West Sumatra can be seen from the plan curve and the realization curve, which shows that the work was completed on time, but the realization curve is below the plan curve, which usually indicates that the work is late. Under these condit…

Rancang Bangun Aplikasi Pengolahan Data Posyandu Menggunakan Metode Waterfall…

Posyandu is a health service unit that provides various basic health services for the community. Posyandu is also the first place that people at the village or sub-district level can visit to get basic health services, especially for pregnant women and toddlers. One important part of implementing posyandu is recording. Data recording has an important role in health monitoring, making reports an…

Analisis Perancangan 4G BTS Hotel pada Kawasan Perumahan Griya Bina Widya

In this modern era, it cannot be denied that cellular networks are needed as a medium for exchanging information. However, despite these needs, there is still a lack of technological infrastructure. One of the areas where the cellular network is not yet optimal is the Griya Bina Widya housing complex which is located in the city of Pekanbaru, Riau province. Therefore, it is necessary to design …

Rancang Bangun Alat Pengering Gabah Padi Otomatis Berbasis Mikrokontroler Den…

Rice is the staple food source of Indonesian society to this day. To produce rice, a long process is required after harvest. One of the most important stages of the post- harvest process is drying the rice grain. Based on this, in this research a tool was designed that can dry rice automatically in order to facilitate the drying process of rice grain. This tool uses a DHT22 sonor as a temperatu…

Analisis Sistem Pembangkit Listrik Tenaga Surya (PLTS) Kapasitas 2 MW Studi K…

The PLTS Pertamina RU II Dumai Solar Power Plant has a capacity of 2 MW, featuring an on-grid system comprising 16 homogeneous arrays. In this research, a PLTS system simulation developed based on existing technical data from the PLTS Pertamina RU II Dumai. The PLTS system, created using Simulink in MATLAB software, consists of a single array system, with 8 sub-arrays. Each subarray is made up …

Desain Algoritma Sistem Load Shedding Pertamina RU II Dumai

This research aims to evaluate the performance of the Load Shedding system at Pertamina RU II Dumai using simulation methods with Simulink Matlab software. In the testing phase, four main cases were explored, each divided into four scenarios covering all possible generator operation scenarios. The test results indicate that in Case 1, Load Shedding is not required as the power loss can be handl…

Studi Kasus Pengaruh Perubahan Frekuensi Terhadap Besar Torsi, Kecepatan Puta…

Induction motors are the most widely used driving components in the industrial world. One company that uses induction motors to drive its machines is PT. Riau Mainstay Pulp and Paper. In this research, we discuss the influence of electric motor parameters due to changes in frequency. Therefore, changing the frequency to lower or higher will greatly influence other electric motor parameters such…

Analisis Sistem Pengereman Pada Mobil Hemat Energi Tipe Prototype Gardapati

The braking system is one of the crucial components in a vehicle because braking is a vital safety feature of the vehicle. The braking system functions to reduce or slow down the speed and stop the vehicle, as well as to enable the possibility of parking the vehicle on a downward slope. The braking system under investigation is examined in the prototype vehicle called Gardapati, which employs a…

Analisis Kebutuhan Ruang Parkir Dan Optimalisasi Lahan Parkir Di Fakultas Tek…

Faculty of Engineering, University of Riau as an education center has certainly provided parking facilities for the academic community. Faculty of Engineering UR has undergone an increase in the number of academic communities starting from the addition of new departments and study programs. The increase in the number causes inadequate parking facilities, this is evidenced by problems with avail…

Analisis Indeks Kinerja Embung Setokok Kota Batam

Water storage buildings in the form of reservoirs are one alternative to meet the availability of raw water. Setokok Reservoir is located on Setokok Island, Bulang District, Batam City, Riau Islands Province. The effectiveness of Setokok Reservoir is very influential on the activities around the reservoir and on the performance of services to raw water. Therefore, it is necessary to analyze the…

Analisis Efektifitas Energi Listrik Yang Dibangkitkan Berdasarkan Kondisi Ide…

Hydroelectric Power Plant (HPP) is a type of generator that uses water as its main resource. The operation of a hydroelectric power plant generally aims to maximize the water discharge available in the reservoir in order to obtain maximum energy generation. So researchers are interested in conducting research with the title analysis of the effectiveness of electrical energy based on reservoir c…