Pengaruh Penambahan Activated Carbon Fly Ash Batubara Untuk Pengurangan Emisi…

ABSTRACT Soil respiration is the main route for the transfer of carbon dioxide (CO2) emissions from ecosystems to the atmosphere which makes it one of the contributors to carbon dioxide (CO2) emissions from the agricultural sector. Activated carbon can improve the physical, chemical, and biological properties of the soil and has the potential to be a useful material for reducing CO2 emissions …

Analisis Pengaruh Daya Dan Variasi Bahan Bakar Campuran Oli Bekas Dan Pertami…

ABSTRACT Industrial growth and the increasing number of transportation causes the need for oil to increase. The increasing need for oil is directly proportional to the waste produced, namely used oil. The use of used oil waste is an environmentally friendly and renewable alternative fuel. This study uses a mixture of used oil and Pertamina Dex fuel which is used as fuel in analyzing exhaust emi…

Pengaruh Ukuran Partikel Kulit Udang Dan Waktu Kontak Adsorben Kitin Dari Kul…

ABSTRACT Shrimp waste in the form of shells, heads and tails which contain protein, can be processed into chitin which has many uses. Chitin is a polymer produced by shellfish (shellfish). Indonesia is one of the largest shrimp producers in the world, where the shell contains chitin compounds as an alternative adsorbent. This compound can be processed and used as an adsorbent for heavy metals.…

Degradasi Limbah Cair Industri Pulp Dan Kertas Dengan Metode Fotokatalitik Me…

The pulp and paper industry ranks third in water use after the metal and chemical industries. The use of water in the industry impacts the liquid waste produced. The effluent from the pulp and paper industry has a very complex composition. Therefore it is almost impractical to characterise all the components like other industrial wastewater. Based on government regulations, liquid waste di…

Optimasi Kondisi Proses Sintesis Biodiesel Berbasis Reaksi Esterifikasi Palm …

Biodiesel is an alternative fuel to a diesel engine that can replace or reduce the use of petroleum diesel. PFAD (Palm Fatty Acid Distillate) is a by-product of physical refining of crude palm oil products and is contained of free fatty acid (FFA) more than 85 wt.%. Esterification is a chemical reaction used to produce biodiesel from feedstocks with high FFA. Hydroxyapatite derived from waste f…

Pengaruh Dosis Pada Proses Koagulasi-Flokulasi Air Sungai Dengan Menggunakan …

ABSTRACT Utilization of grain as a natural coagulant has been widely used. This is an alternative to the use of synthetic coagulants. Mung bean seeds can be used as a natural coagulant because they contain protein. This study aims to determine the effect of coagulant dosage and slow stirring time on the efficiency of turbidity removal and TDS in river water using natural coagulants from mung be…

Pengaruh Penambahan Kaolin Pada Proses Koagulasi, Flokulasi Dan Sedimentasi D…

ABSTRACT Peat water is surface water that’s found in swampy and lowland areas that contain high organic substances, are acidic and dark brown to blackish in color, which in quality do not meet the criteria for clean water quality. The high content of organic substances and color in peat water is difficult to be treated conventional coagulation-flocculation processes due to lack of turbidity,…

Pengaruh Penambahan Kaolin Pada Proses Koagulasi Dalam Penyisihan Zat Organik…

ABSTRACT In terms of quantity, peat water has the potential to become a source of clean water. However, in terms of quality, peat water is not acceptable for utilize because of the high content of organic matter and color. The high organic matter and color of peat water make it difficult to treat peat water with the usual coagulation-flocculation process, so kaolin was added in this research. …

Penentuan Status Mutu Air Sungai Sail Dan Lokasi Instalasi Pengolahan Air Lim…

ABSTRACT Sail River is one of the tributaries of the Saik River that crosses Bukit Raya District, Tenayan Raya District, Sail District and Lima Puluh District, Pekanbaru City. The Sail Watershed (DAS) is in a densely populated and activity-dense area. The Sail River also acts as the main drainage in Pekanbaru City, community activities around the Sail River such as residential areas, plantatio…

Pengaruh Variasi Ukuran Partikel Koagulan Biji Jagung (Zea Mays L.) Dan Suhu …

ABSTRACT Peat water has a high content of organic matter and color, so it is not suitable for direct use for clean water without processing it first. Processing that can be done is the coagulation-flocculation method using natural coagulants. The natural coagulant used is made from corn seeds (Zea mays L.). This study aims to analyze the ability of coagulant corn seeds (Zea mays L.) in the…

Pemanfaatan Limbah Kantong Plastik High Density Polyethylene (Hdpe) Sebagai B…

ABSTRACT Indonesia uses an average of 9.8 billion plastic bags annually, and 95% of the plastic bags used become waste. One of the methods to utilize plastic bag waste is as a material for paving block production. This research sought to explore the potential of High-Density Polyethylene plastic bag waste as material for paving block production. The paving block that will be made is a mixture …

Prarancangan Pabrik Kalsium Klorida Proses Asidifikasi Dengan Design Alat Uta…

ABSTRACT Domestic demand for calcium chloride continues to increase every year. Calcium chloride is a chemical substances needed by industries such as the pulp, cement and food preservative industries. Calcium carbonate can be processed into calcium chloride through the acidification process. The main raw materials used in the manufacture of calcium chloride by acidification process are calciu…

Prarancangan Pabrik Dimethyl Pthalate Dari Pthalate Anhydrid Dan Metanol Meng…

ABSTRACT Dimethyl phthalate is a type of plasticizer that is widely used for the manufacture of nitrocellulose and cellulose acetate rubber. Dimethyl phosphate as a plasticizer is also used as an additive to make plastic products. The need for imports of dimethyl phthalate in Indonesia has tended to increase in the last five years. Dimethyl phthalate production plants are still minimally e…

Prarancangan Pabrik Potassium Phospate Dengan Proses Netralisasi Dengan Alat …

ABSTRACT Potassium phosphate (KH2PO4) is one of the inorganic fertilizers whose production locally is still small. This fertilizer consists of the main components of potassium and phosphate where these elements are macronutrients needed by plants. The need for imports of potassium phosphate in Indonesia has tended to increase in the last five years. Potassium phosphate production plants ar…

Prarancangan Pabrik Potassium Phospate Dengan Proses Netralisasi Dengan Alat …

ABSTRACT Potassium phosphate (KH2PO4) is one of the inorganic fertilizers whose production locally is still small. This fertilizer consists of the main components of potassium and phosphate where these elements are macronutrients needed by plants. The need for imports of potassium phosphate in Indonesia has tended to increase in the last five years. Potassium phosphate production plants ar…

Prarancangan Pabrik Pembuatan Butanediol Dari Maleic Anhydride Dan Hidrogen M…

ABSTRACT One of the chemical industry which has important uses and has good prospects is the butanediol industry. Butanediol with the molecular formula C4H10O2 are hygroscopic liquid that is colorless and almost odorless. Butanediol (BDO) is an important element in a long production chain consisting of various intermediates and their derivatives, which are used in a wide range of industries an…

Prarancangan Pabrik Aseton Proses Hercules Dengan Desain Alat Utama Destilasi…

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Prarancangan Pabrik Aseton Dari Cumene Dengan Proses Hercules Dengan Desain A…

ABSTRACT Acetone (CH3COCH3) also known as 2-propanone or dimethyl ketone is a very important ketone derivative. This chemical is widely used as a solvent, because acetone is a good solvent for various gums, waxes, resins, fats, oils, dyes, and cellulose. Until now, no company has produced acetone in Indonesia either as a side product or as a main product. At this plant, acetone is made thr…

Pemisahan Dan Pemurnian Selulosa Dari Limbah Daun Nanas (Ananas Comosus) Seca…

ABSTRACT Cellulose (C6H10O5)n is one of the long-chain polymers of polysaccharides prepared from saw-monomer β -glucose. Cellulose is the principal carbohydrate synthesized by plants dan occupies almost 60% of the components of plant structure. The purpose of this study is to extract cellulose from the pineapple wastes semi-mechanical and obtain cellulose powder by the methods of delignificat…

Adsorpsi Logam Kadmium (Cd) Dalam Larutan Menggunakan Zeolit Berbahan Dasar P…

ABSTRACT Cadmium (Cd) is a heavy metal that is commonly found in aquatic environments and has a high level of toxicity. Adsorption is the adsorption process of a substance on the surface of another substance due to the molecular attraction that occurs between the adsorbate and the adsorbent. One of the adsorbents that can be used to remove Cd metal is POFA-based zeolite. This study aims to ana…