Ditapis dengan
Pengolahan Limbah Padat Industri Tahu Menjadi Pupuk Kompos
ABSTRACT Solid organic fertilizer is the result of composting from agricultural waste and livestock waste, which contains macro and micro nutrients so that it can improve soil structure. This study aims to obtain a formula that meets the criteria to be achieved in the manufacture of compost from equalizing sludge in tofu waste with a variety of raw materials such as rice husks and sawdust and …
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- Judul Seri
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- 1907035419
Pengaruh Variasi Penambahan Starter Terhadap Produksi Biogas Menggunakan Meto…
ABSTRACT The waste problem faced by Indonesia is the biggest problem in the environmental field it is necessary to use it, such as converting it into biogas alternative energy. This study aims to analyze the effect of Starter addition variations on biogas production from Bina Widya campus waste, Riau University using dry anaerobic digestion method. This study uses a variety of starter types to…
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- 1807111468
Penentuan Sistem Dan Lokasi Pengelolaan Air Limbah Domestik Kota Pekanbaru Me…
ABSTRACT Pekanbaru City's wastewater access coverage consists of 90% local systems, 7.59% babs and 2.41% inadequate access. A Centralized Domestic Wastewater Management System (SPALDT) has been planned for Pekanbaru City which is located in Rejosari Village, Tenayan Raya District which will serve 5 districts namely Pekanbaru City, Limapuluh, Sail, Senapelan and Sukajadi, namun there are still …
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- 1807124228
Pembuatan Alat Uji Tribometer Tipe Roda Gigi
ABSTRAK A tribometer is an instrument used to measure a tribological quantity consisting of the coefficient of friction, frictional force, and volume of wear between two materials in contact with each other. This final project aims to manufacture and assemble a gear type tribometer and determine the effect of oil (lubricant) on gears. Generally what is related to the Tribometer is testing on ma…
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- 1907035352
Modeling Profil Aliran Pulp Slurry Di Pipa Distribusi Produk Akhir Bleaching …
In the pulp industry it is often to encounter high energy consumption, some of which is due to sub-optimal equipment design. One of the main findings is pipeline as pulp slurry transportation because the use of empirical correlations is out of scope of application, such as different levels of pulp consistency and average flow velocity are applied. Although the process steps are based on the…
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- 1810246963
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 …
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- 1807125013
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…
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- 1807113065
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.…
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- 1907036191
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…
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- 1810246309
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…
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- xii, 61 hlm.: ill.: 29 cm
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- No. Panggil
- 10 25. 221 (0001)
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…
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- 1807124421
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,…
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- 1807112739
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. …
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- 1807124467
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…
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- 1807112985
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…
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- 1807111394
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 …
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- 1807111882
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…
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- 1707111366
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…
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- 1707113993
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…
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- 1707114078
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…
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- 1707114078
Karya Umum 
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Ilmu-ilmu Murni 
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Kesenian, Hiburan, dan Olahraga 
Kesusastraan 
Geografi dan Sejarah