Penyisihan Zat Pewarna Tekstil Methyl Orange Menggunakan Adsorben Magnetic Ch…

ABSTRACT Industrial textile wastewater contains high levels of dyes, which can disrupt aquatic ecosystems by inhibiting sunlight penetration for photosynthesis activities. Adsorption is a simple method for pollutant removal, where the selection of appropriate adsorbents can result in effective water treatment. Magnetic Chitosan Microspheres (MCM) have been developed as a natural adsorbent (bio…

Prarancangan Pabrik Bisfenol-A Dari Fenol Dan Aseton Dengan Proses Sabic Deng…

ABSTRACT Bisphenol-A is an organic component with two phenol functional groups. Bisphenol-A is used to manufacture polycarbonate plastics and resins. This compound is a colorless crystal which in high purity is suitable for producing polycarbonate resins. There are several technologies for producing bisphenol-A that have been developed. Bisphenol-A can be produced by reacting the compounds all…

Pra Rancangan Pabrik Xylitol Proses Hidrogenasi Dengan Desain Alat Utama Reak…

ABSTRACT Xylitol is a sugar alcohol often used as a sugar substitute, raw material for the chemical industry, and used in the health sector. This causes the need for xylitol as a raw material for the pharmaceutical industry, and supporting materials for the food industry to increase. The increasing need for xylitol in Indonesia causes the import rate to also increase. This final project aims t…

Prarancangan Pabrik Asam Laktat Dari Molases Dengan Desain Utama Reaktor Acid…

Indonesia has waste that has not been utilized optimally, especially molasses. Molasses contain sugar with levels (50-60%) which can be processed into lactic acid by a fermentation process. Lactic acid is a chemical that is needed in many industries such as the food, beverage, cosmetic and pharmaceutical industries. The main raw materials used in the manufacture of lactic acid with the fermenta…

Prarancangan Pabrik Hidrazin Dari Amonia Dengan Desain Alat Utama Reaktor Klo…

Abstrack Hydrazine is an inorganic compound with the chemical formula N2H4 which is a colorless flammable liquid with an ammonia-like odor. Hydrazine is also referred to as Diamine or Diazane or Nitrogen hydride and is a strong base. Hydrazine has not been produced domestically, so it still requires imports from other countries to meet domestic needs. The process chosen in the manufacture of H…

Prarancangan Pabrik Purified Terephthalate Acid (Pta) Proses Bp (Amoco) Denga…

ABSTRACT With the large consumption of terephthalic acid in Indonesia, it is necessary to develop a terephthalic acid industry to support the downstream industry which is made from terephthalic acid. The purpose of designing a Purified Terephthalate Acid (PTA) plant is to determine whether the plant is feasible or not to build. The PTA plant uses the BP (Amoco) process with paraxylene as raw…

Pembuatan Lilin Aromaterapi Dengan Penambahan Larutan Ekstrak Minyak Serai Wa…

ABSTRACT Aromatherapy candles are an alternative application of inhalation, namely the inhalation of aroma vapors produced from a few drops of oil derived from plant extracts. The aroma used is citronella oil extract solution obtained from soxhletation extraction of citronella with ethanol solvent. This study aims to make aromatherapy candles with citronella oil extract and to perform characte…

Efektivitas Penjerapan Ion Cu2+ Menggunakan Karbon Aktif Batang Singkong (Man…

ABSTRACT The rapid development of the industry has led to an increasing amount of waste generated, including in the electroplating industry. The electroplating process produces liquid waste, which causes environmental pollution. The generated liquid waste contains heavy metals, such as copper (Cu). The maximum allowable concentration of copper ions (Cu2+) in the environment, based on Regulatio…

Efektivitas Penjerapan Ion Cu2+ Menggunakan Karbon Aktif Batang Singkong (Man…

ABSTRACT The rapid development of the industry has led to an increasing amount of waste generated, including in the electroplating industry. The electroplating process produces liquid waste, which causes environmental pollution. The generated liquid waste contains heavy metals, such as copper (Cu). The maximum allowable concentration of copper ions (Cu2+) in the environment, based on Regulatio…

Pembuatan Lilin Aromaterapi Dengan Penambahan Larutan Ekstrak Minyak Serai Wa…

ABSTRACT Aromatherapy candles are an alternative application of inhalation, namely the inhalation of aroma vapors produced from a few drops of oil derived from plant extracts. The aroma used is citronella oil extract solution obtained from soxhletation extraction of citronella with ethanol solvent. This study aims to make aromatherapy candles with citronella oil extract and to perform characte…

Proses Pirolisis Limbah Plastik High Density Polyethylene (Hdpe) Menjadi Baha…

ABSTRACT The high-density polyethylene (HDPE) plastic bags, more commonly known as "kantong kresek" in Indonesian, have become the most prevalent plastic waste polluting the environment. The plastic, composed of long-chain hydrocarbon molecules, is highly resistant to natural degradation, necessitating technologies that can manage plastic waste without creating new waste. The pyrolysis pro…

Proses Pirolisis Limbah Plastik High Density Polyethylene (Hdpe) Menjadi Baha…

ABSTRACT The high-density polyethylene (HDPE) plastic bags, more commonly known as "kantong kresek" in Indonesian, have become the most prevalent plastic waste polluting the environment. The plastic, composed of long-chain hydrocarbon molecules, is highly resistant to natural degradation, necessitating technologies that can manage plastic waste without creating new waste. The pyrolysis pro…

Pembuatan Lilin Aromaterapi (Ekstrak Oleoresin Daun Peppermint Dan Bunga Ceng…

ABSTRACT Aromatherapy candles are an alternative application of inhaling aroma vapor produced from a few drops of essential oil used, which produces an aroma that gives a therapeutic effect when burned to function as a sedative and room freshener. Clove flowers and peppermint leaves contain essential oils so they can be used as aromatherapy candles. This research studied the effect of adding p…

Analisa Perbedaan Nilai Porosity (Air Permeability) Offset Paper Dan Copy Pap…

ABSTRAK Porosity is defined as the amount of air (ml/min) that can be passed through from one side of the paper to the other. Paper porosity also affects the drying process and porosity needs to be maintained to make it easier to adjust printer ink and make it easier to vacuum feed on printing and copying machines. In the paper industry, there are two types of paper, that are offset paper and …

Pengaruh Density, Temperature, Dan Weak Wash Liquor (Wwl) Terhadap Total Titr…

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Menentukan Optimum Dosis Penggunaan Wet End Oba (Optical Brightenic Agent) Te…

ABSTRACT Optical Brightenic Agent (OBA) is a compound that can give a light effect to an object that is exposed to light, so that the object will be whiter and luminous. Utilization of OBA at PT RAPP is used as an auxiliary material in achieving paper optical properties that comply with specified standards. OBA consists of three types, namely disulpho (wet end), tetrasulpho, and hexasulpho…

Analisis Pengaruh Kecepatan Thickener Terhadap Konsistensi Broke Dan Arus Lis…

ABSTRACT Broke System is one of the important materials in paper making. Broke is a fiber obtained from a sheet of paper obtained from a process on a paper machine. This fiber is called secondary fiber, because broke is a source of fiber obtained from recycled reject paper. Apart from paper breaks, broke can also be obtained from paper trim (even distribution of paper edges). Broke is divi…

Efisiensi Proses Absorpsi Gas Clo2 Di Clo2 Absorber #5 Pt Riau Andalan Pulp A…

ABSTRACT Chlorine dioxide (ClO2) is a chemical used as a bleaching agent in the bleaching pulp process. At PT RAPP's Integrated ClO2 Plant, Chlorine dioxide solution with a concentration of 10 ± 0.2 g/L was obtained through the absorption process of ClO2 gas with chilled water in the Absorber. The concentration of the desired solution is determined by how efficiently the absorption proces…

Pengaruh Dan Efektivitas Cleaning Super Concentrator Pada Evaporator #5

ABSTRACT Evaporator #5 is a unit used to thicken black liquor from 15% to 80% solid content before it is incinerated in recovery boiler. Black liquor is rich in sodium salts content, therefore in thickening process these salts exceed its solubility limit then precipitated in form of scale that decrease the evaporator’s performance. Scales in evaporator #5 can be removed using weak black liqu…

Analisis Perhitungan Energy Balance Heat Exchanger Shell And Tube Dan Mass Ba…

ABSTRACT Heat exchangers 411E104 and 411E237 are types of shell and tube heat exchangers. The shell part is filled with the cold medium, which is soft water, and the tube part is filled with the hot medium, which is black liquor. Soft water is a type of water with low levels of calcium and magnesium, while black liquor is the residual liquor after the cooking process. Soft water is purchased f…