Pemanfaatan Limbah Plastik Polypropylene Dan Abu Sekam Padi Dalam Pembuatan P…

ABSTRACT Rice production in Riau Province in 2023 reached 205.97 thousand tons from 51.91 thousand hectares of land, generating a large amount of rice husk waste. When burned completely, rice husks produce ash with pozzolanic properties, which has the potential to be used as a substitute for cement in paving block production. Plastic waste, especially the polypropylene type, is elastic and…

Karakterisasi Serta Regenerasi Adsorben Komposit Spent Mushroom Substrate (Sm…

ABSTRACT Heavy metals such as Cu and Pb are hazardous pollutants that are toxic, persistent, and capable of accumulating in living organisms. The concentration of heavy metals exceeding the quality standards in wastewater requires further treatment before being discharged into the environment. Adsorption is an effective and economical method for reducing heavy metal content. This study aim…

Simulasi Dan Analisis Penggunaan Unified Power Quality Conditioner (Upqc) Pad…

ABSTRACT Power quality disturbances in the Distribution Network cause losses both from the generation side and from the load side, therefore a mechanism is needed that can anticipate these problems. This research offers a method that is able to overcome these problems. Especially related to disturbances caused by Voltage sag, Voltage swell due to changes in load characteristics in the repeater…

Perancangan Sekolah Alam (Tingkat Menengah Pertama) Dengan Pendekatan Arsitek…

ABSTRACT The people of Pekanbaru have a high interest in education, this can be seen from the high interest in sending their children to public and private schools. However, Pekanbaru has challenges and educational problems in terms of school facilities. School facilities in Pekanbaru at the junior high school level are experiencing a lack of facilities, this can be seen from the decrease in t…

Perancangan Pusat Musik Modern Dengan Pendekatan Arsitektur Folding Di Pekanbaru

ABSTRACT Modern music has become an essential part of human life as time progresses, serving as entertainment, self-expression, and a tool for learning. The interest in modern music has grown, especially among the younger generation. This can be seen in the numerous concerts held by famous artists in Pekanbaru, as well as the many music-related facilities available. However, facilities to supp…

Perancangan Convention And Exhibition Center Dengan Pendekatan Arsitektur Eco…

ABSTRACT Pekanbaru City, the capital of Riau Province, has various major events or events every year, even every few months. This is because Pekanbaru City is experiencing development and growth in the economic, business, and tourism sectors, where demand is increasing for venues for events, businesses, and exhibitions that can accommodate various types of sectors. These events or events are P…

Sintesis Silika Gel Menggunakan Pasir Pantai Bengkalis Sebagai Sumber Silika

ABSTRACT Silica gel is one of the silica-based materials that has quite extensive uses such as in the pharmaceutical industry, ceramics, paints and special applications in the chemical field. This study aims to synthesize silica gel from Bengkalis Beach sand by varying the concentration of HCl during gel formation. Silica gel is synthesized through several stages starting with the leaching pro…

Sintesis Silika Gel Menggunakan Pasir Pantai Bengkalis Sebagai Sumber Silika

ABSTRACT Silica gel is one of the silica-based materials that has quite extensive uses such as in the pharmaceutical industry, ceramics, paints and special applications in the chemical field. This study aims to synthesize silica gel from Bengkalis Beach sand by varying the concentration of HCl during gel formation. Silica gel is synthesized through several stages starting with the leaching pro…

Pemanfaatan Limbah Buah Ketapang (Terminalia Catappa L.) Sebagai Adsorben Pad…

ABSTRACT The increase in the number of laundry services will be directly proportional to the amount of liquid waste generated at the end of the activity. Therefore, it is necessary to develop effective and environmentally friendly waste treatment methods. The adsorption process is still the best choice for liquid waste treatment, especially if it uses environmentally friendly adsorbents, for e…

Pengaruh Perlakuan Bahan Dan Pemanasan Pada Pembuatan Ragi Alami Dari Ferment…

ABSTRACT Instant yeast is a leavening agent in making bread containing microorganisms of the Saccharomyces cerevisiae type. However, sourdough is now starting to be considered as an alternative because it has several advantages, including being able to enrich the taste, extend the shelf life of the product, and being easier to digest. This study aims to produce natural yeast through fermentati…

Pemanfaatan Limbah Buah Ketapang (Terminalia Catappa L.) Sebagai Adsorben Pad…

ABSTRACT The increase in the number of laundry services will be directly proportional to the amount of liquid waste generated at the end of the activity. Therefore, it is necessary to develop effective and environmentally friendly waste treatment methods. The adsorption process is still the best choice for liquid waste treatment, especially if it uses environmentally friendly adsorbents, for e…

Sintesis Silika Gel Menggunakan Limbah Kaca Laboratorium Sebagai Sumber Silika

ABSTRACT Silica gel is a material widely used in the industrial sector as an adsorbent, filler, and catalyst support. It can be synthesized from various natural sources containing silica (SiO₂), one of which is laboratory glass waste. In this study, silica gel was synthesized from laboratory glass waste through the production of sodium silicate, followed by precipitation using HCl solution. …

Sintesis Silika Gel Menggunakan Limbah Kaca Laboratorium Sebagai Sumber Silika

ABSTRACT Silica gel is a material widely used in the industrial sector as an adsorbent, filler, and catalyst support. It can be synthesized from various natural sources containing silica (SiO₂), one of which is laboratory glass waste. In this study, silica gel was synthesized from laboratory glass waste through the production of sodium silicate, followed by precipitation using HCl solution. …

Analisis Spasial Daerah Resapan Air Di Pulau Pedang Berdasarkan Peraturan Men…

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Analisis Pola Sebaran Stasiun Hujan Menggunakan Metode Kagan-Rodda Di Pulau N…

ABSTRACT The number and location of rain stations is important in the accuracy of rainfall data in an area. This study examines the density of existing rain stations based on World Meteorological Organization (WMO) standards and rationalizes the number and distribution pattern of rain stations using the Kagan-Rodda method. This method analyzes the variation in error rates in the context of the…

Studi Eksperimental Pengaruh Penggunaan Bresing Pada Struktur Sdof Dan Mdof A…

ABSTRACT Testing on a large scale is challenging, so a building structure modeling is applied to a shaking table as a source of vibration media. Building structures that experiencevibrationsdueto earthquakesorwind can cause significantdeformation or even collapse. This study aims to analyze the effect of bracing on the response of SDOF and MDOF structures due to horizontal vibration loads. Thi…

Analisis Kelayakan Finansial Driver Jasa Antar Barang Terhadap Upah Minimum K…

ABSTRAK Online transportation is a form of application-based technological development that received a positive response when it was first introduced, because it is considered the best innovation of our time. The existence of transportation makes it easier to move people and goods from one location to another. One of the online transportation services currently operating in the field of go…

Analisa Stabilitas Dispersi, Viskositas Dan Koefisien Gesek Biolubricant Este…

ABSTRACT Lubricants are widely used in mechanical systems to reduce energy loss and wear caused by friction. The problem of pollution to the environment caused by lubricants has attracted attention. Biolubricants are an alternative to lubricants that are clean for machines and renewable. To produce biolubricant is by transesterification. In this study, biolubricant was produced by varying the …

Regenerasi Kimia Adsorben Karbon Aktif Tongkol Jagung Dengan Variasi Kecepata…

ABSTRACT Activated carbon is known as an adsorbent with a large surface area and micropore volume, which gives it a high adsorption capacity in various applications, particularly in the removal of heavy metals from solutions. However, activated carbon used as an adsorbent in the adsorption process will eventually reach saturation when its adsorption capacity has been fulfilled. This leads to a…

Perencanaan Tempat Pengolahan Sampah Terpadu (Tpst) Di Kecamatan Bukit Raya K…

ABSTRACT Bukit Raya District is one of the sub-districts in Pekanbaru City with a population in 2023 of 107,347 people. Population growth and high consumption patterns cause an increase in waste generation which is only transported to Muara Fajar landfill without processing, thus reducing landfill capacity. To overcome this problem, the construction of an Integrated Waste Management Site (TPS…