Ditapis dengan
Kajian Proses Pemutihan Acacia Kraft Pulpdengan Menggunakan Teknologi Enzim U…
Implementing the Enzyme Pretreatment before the Chemical Bleaching process is an alternative way to reduce the ClO2 chemical consumption. This study was conducted in order to determine the optimum process conditions to increase the pulp brightness. After the Biobleaching treatment, it was observed that the ClO2 chemical consumption decreases for the subsequent Chemical Bleaching. In addition, b…
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- xi, 71 hlm.;ill.; 29 cm
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- 10 13. 217 (0003)
Simulasi Gasifikasi Sludge Limbah Industri Pulp Dan Kertas Sebagai Alternatif…
Pulp and paper industry generates solid waste around 3-4% of the total production, mostly form in sludge from the Waste Water Treatment Plant. Sludge gasification is one such technology processing sludge into syngas. The purpose of this research was to determine the factors affecting sludge gasification pulp and paper industry weste into syngas. This research was conducted by simulating the sl…
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- xiii, 70 hlm.: ill.: 29 cm
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- 10 13. 217 (0002)
Simulasi Termodinamika Gasifikasi Black Liquor Kayu Akasia Proses Pulp Larut …
The pulp industry in Riau produces 8.5 million tons of black liquor/year, a biomass with heat value to 13.8 MJ/kg. One of the black liquor technology processing is gasification that can produce fuel gas medium type. The purpose of this research was study the factors and parameters that influence the process of black liquor gasification by simulating gasification process in entrained flow …
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- xiv, 93 hlm.;ill.; 29 cm
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- 10 13.217(0001)
Pembuatan Carboxymethyl Cellulose (CMC) Dari Pelepah Kelapa Sawit
Oil palm frond contain 40,96% of cellulose. Cellulose is the main raw material synthesis of carboxy methyl cellulose (CMC). The purpose of this research was to determine the optimum conditions of carboxy methyl cellulose (CMC) synthesis from oil palm frond by using Response Surface Methodology (RSM). The synthesis of CMC consist of two steps, alkalyzation and etherification. In this research, t…
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- x, 99 hlm.; ill.; 29 cm
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- 10 13. 219 (0007)
Model Pendekatan Untuk Kasus Perpindahan Panas Pada Sistem Pendinginan Motor …
Motor operating temperature at wells equipped with Electric Submersible Pump (ESP) need to be monitored to maintain ESP performance run life. Not all producer wells equipped with temperature sensor, so it considered necessary to build mathematic model to estimate motor operating temperature. Model of heat transfer to predict motor operating temperature is developed based on empirical equation m…
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- xv, 93 hlm.; ill.; 29 cm
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- 10 13. 219 (0006)
Kinetika Reaksi Produksi Biodiesel Dari Minyak Nyamplung (Callophyllum Inophy…
Biodiesel is monoalkyl ester of long chain fatty acids derived from vegetable oil or animal fat, and can be used as an alternative fuel for diesel engines, where Callophyllum inophyllum oil is a potential feedstock for biodiesel production. The ocjectives of this research were to synthesis of biodiesel from Callophyllum inophyllum oil using 3%lanthanum/clay, clay and lanthanum oxide catalyst, a…
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- xii, 135 hlm.; ill.; 29 cm
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- 10 13. 219 (0005)
Peningkatan Volume Produksi Biogas dari proses Codigestion Limbah Cair-Tandan…
This study aimed to utilize Palm Oil Mill Effluent (POME) and preheated Empty Fruit Bunches (EFB) as a source for enhanced biogas production in Expanded Granular Sludge Bed (EGSB) Reactor. The reactor was operated continuously for 48 days with 2 days Hydraulic Retention Time (HRT), POME : EFB mixing ratios of 1 : 0 ; 0.10 ; 0.15 ; 0.20 ; operating temperature of 35 ± 20C and 55 ± 20C. The bes…
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- xii, 113 hlm.; ill.; 29 cm
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- 10 13. 219 (0004)
Optimasi Kondisi Proses Torefaksi Berbasis Pelepah Sawit
Palm frond can be converted to solid fuel using torrefaction process as an alternative energy source. Torrefaction is the process to convert the biomass into solid fuel at a temperature range of 200-300oC in inert condition. Calorific value is the most important response in solid fuel. The aim of this research is to obtain the optimum condition of palm fronds torrefaction statistically was used…
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- xiv, 113 hlm.; ill.; 29 cm
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- 10 13. 219 (0003)
Model Kinetika Pertumbuhan Kristal Magnetit (Fe3O4) Yang Disintesis Dengan Me…
Magnetite (Fe3O4) nanoparticles becomes a new innovation that gets attention of biomedical scientists. Magnetite can be applied to cancer treatment as a drug carrier because of its good biocompatibility and very low toxicity. The purpose of this study was to determine the influence of time and temperature synthesis of magnetite characteristics and determine its crystal growth kinetics model usi…
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- xv, 158 hlm.; ill.; 29 cm
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- 10 13. 219 (0002)
Pemodelan Aliran Minyak Dalam Pipeline Lapangan Langgak
Congeal in the pipeline is one of the biggest problems faced by PT.SPR Langgak in piping crude oil from production wells to oil processing unit caused by decreasing oil temperature. The purpose of this study is to study the effect of environmental temperature on fluid temperature in the pipeline, study the effect of wind speed on fluid temperature in the pipeline and to determine the location o…
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- xiv, 132 hlm.; ill.; 29 cm
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- 10 13. 219 (0001)
Grain Growth Evaluation Of Nanostructured ZnCo2O4 For Solar Selective Absorb…
Ternary cobalt-based metal oxide (ZnCo2O4) has been successfully coated onto aluminum substrate via sol-gel method for solar selective absorber application. The aim of this study to evaluate the influence of temperature and concentration on the morphology, crystalline structure and optical properties of zinc cobalt oxide coating. ZnCo2O4 were synthesized using Co(NO3)2.6H2O and Zn(NO3)2.3H2O co…
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- xiv, 115 hlm.; ill.; 29 cm
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- 10 13. 218 (0004)
Aplikasi Model Oriented Attachment Pada Pertumbuhan Kristal Nanomagnetit (Fe3…
Nanomagnetite (Fe3O4) is a material that can be applied as a drug delivery system. The purpose of this study is to determine the effects of synthesis time and concentration of reactants on the nanomagnetite characteristics, as well as the applying oriented attachments model to determine the equation of crystal growth kinetics model. The nanomagnetitte has been successfully synthesized by hydro…
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- xxi, 150 hlm.; ill.; 29 cm
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- 10 13. 218 (0003)
Sintesis Katalis Γ-Mn-Tanah Terkontaminasi Minyak Bumi (TTM) Dan Aplikasinya…
Contaminated soil supported catalysts were successfully synthesis via oxidation processes with potassium permanganate (KMnO4) and tested in heterogeneous activation peroxymonosulfate (PMS) for Rhodamine B degradation in aqueous solutions. Catalyst series consist of support various as high and low Total Petroleum Hydrocarbon (TPH) composition. Physical properties of catalysts were characterized …
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- xiii, 120 hlm.; ill.; 29 cm
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- No. Panggil
- 10 13. 218 (0001)
Karya Umum 
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Kesenian, Hiburan, dan Olahraga 
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