Bibliografías temáticas / Based naphthenic

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Literatura académica sobre el tema "Based naphthenic"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Based naphthenic"

Shah, Syed Nasir, Mohammed Ibrahim Abdul Mutalib, Rashidah Binti Mohd Pilus, and Kallidanthiyil Chellappan Lethesh. "Separation of Naphthenic Acid Using Hydroxide Based Ionic Liquids." Applied Mechanics and Materials 625 (September 2014): 570–73. http://dx.doi.org/10.4028/www.scientific.net/amm.625.570.

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Isolation of naphthenic acid from model oil using hydroxide based ionic liquid was investigated. A detailed de-acidification study at different temperatures and different ionic liquid/model oil was performed and the content of naphthenic acid before and after extraction was calculated. The ILs containing hydroxide anions has the potential to completely deacidify model oil having high TAN with extremely low ionic liquid /oil ratio.

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Yagana Abba Sidi and Abdulfatah Shehu. Muhammad. "Catalytic degradation of naphthenic acid in aqueous solution: A review." International Journal of Science and Research Archive 1, no. 2 (2020): 001–8. http://dx.doi.org/10.30574/ijsra.2020.1.2.0035.

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Naphthenic acids are among the water, oil and soil contaminants mostly by accident. The review was carried out to examine the types and sources of Naphthenic acids. The toxic nature of naphthenic acids is mostly attributed to their surface characteristics due to the presence of a hydrophobia alkyl group and hydrophilic carboxylic group in their salts. Different method based on the use of different test organism like bacteria, aspen, fish, zooplankton and rat have been used by researchers to measure the level of toxicity of naphthenic acid in substances. Naphthenic acid caused corrosion in the

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Ma, Bingshui, Jincan Yan, Yan Liu, and Tianhui Ren. "RELATIONSHIP BETWEEN RUBBER OIL AND ANTI-YELLOWING PERFORMANCE OF OIL-EXTENDED THERMOPLASTIC ELASTOMER STYRENE–BUTADIENE–STYRENE." Rubber Chemistry and Technology 88, no. 3 (2015): 515–26. http://dx.doi.org/10.5254/rct.15.84891.

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ABSTRACT The relationship between structural composition of rubber oil and anti-yellowing performance of oil-extended polystyrene-block-polybutadiene-block-polystyrene triblock copolymer (SBS) was studied in this work. The experimental results proved that anti-yellowing of oil-extended SBS was determined by the rubber oil and was irrelevant with SBS. The anti-yellowing performance of the SBS filled with paraffinic-based rubber oil was better than that of the SBS filled with naphthenic-based rubber oil. In addition to the partially hydrogenated aromatic hydrocarbons in rubber oil, heavy naphthe

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Najmuddin, Rabiatul Adawiyah, M. I. Abdul Mutalib, Syed Nasir Shah, et al. "Liquid-Liquid Extraction of Naphthenic Acid Using Thiocyanate Based Ionic Liquids." Procedia Engineering 148 (2016): 662–70. http://dx.doi.org/10.1016/j.proeng.2016.06.534.

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Oiffer, A. A. L., J. F. Barker, F. M. Gervais, K. U. Mayer, C. J. Ptacek, and D. L. Rudolph. "A detailed field-based evaluation of naphthenic acid mobility in groundwater." Journal of Contaminant Hydrology 108, no. 3-4 (2009): 89–106. http://dx.doi.org/10.1016/j.jconhyd.2009.06.003.

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Lee, Chan Woo, In-Ho Kim, and Hyung-Jo Jung. "Fabrication and Characterization of Natural Rubber-Based Magnetorheological Elastomers at Large Strain for Base Isolators." Shock and Vibration 2018 (June 4, 2018): 1–12. http://dx.doi.org/10.1155/2018/7434536.

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To withstand harsh conditions and have a moderate strength, it is desirable to use natural rubber for base isolators. In addition, previous studies have measured the magnetorheological (MR) effect under low-strain range, mostly within 10%. In the reality, it is necessary to evaluate the performance under large-strain range for base isolators. In this study, material properties of natural rubber-based MREs with various mixing ratios were evaluated under large-strain range (~100%). In the first step, MREs with various iron ratios were fabricated and evaluated to observe the MR effect according t

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Mohamed, Mohamed H., Lee D. Wilson, John V. Headley та Kerry M. Peru. "Sequestration of naphthenic acids from aqueous solution using β-cyclodextrin-based polyurethanes". Phys. Chem. Chem. Phys. 13, № 3 (2011): 1112–22. http://dx.doi.org/10.1039/c0cp00421a.

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Guo, Song, Changyou Li, Jingang Shi, Fangjun Luan, and Xiaoyu Song. "Effect of Quenching Media and Tempering Temperature on Fatigue Property and Fatigue Life Estimation Based on RBF Neural Network of 0.44 % Carbon Steel." Mechanical Sciences 10, no. 1 (2019): 273–86. http://dx.doi.org/10.5194/ms-10-273-2019.

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Abstract. In this work, the effect of the quenching media (brine, water, and two types of naphthenic mineral oils) and the tempering temperature (200, 400, 600 ∘C) on the static mechanical properties and the fatigue life has been investigated using 300 fatigue and 36 static tension tests. S–N curves and standard deviations of fatigue life under each heat treatment condition were calculated and shown. The fracture surfaces of the selected 11 specimens were observed by the scanning electron microscope and the reasons of affecting the fatigue life were discussed. To estimate the mean fatigue life

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Nasir Shah, Syed, M. Ibrahim A. Mutalib, Rashidah Binti Mohd Pilus, and Kallidanthiyil Chellappan Lethesh. "Extraction of Naphthenic Acid from Highly Acidic Oil Using Hydroxide-Based Ionic Liquids." Energy & Fuels 29, no. 1 (2014): 106–11. http://dx.doi.org/10.1021/ef502169q.

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Nasir Shah, Syed, Lethesh Kallidanthiyil Chellappan, Girma Gonfa, Mohammad Ibrahim Abdul Mutalib, Rashidah Binti Mohd Pilus, and Mohamad Azmi Bustam. "Extraction of naphthenic acid from highly acidic oil using phenolate based ionic liquids." Chemical Engineering Journal 284 (January 2016): 487–93. http://dx.doi.org/10.1016/j.cej.2015.09.017.

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Más fuentes

Tesis sobre el tema "Based naphthenic"

Muniz, Cl?udia Alves de Sousa. "Novas formula??es de fluidos de corte: otimiza??o, propriedades e recupera??o do ?leo usado." Universidade Federal do Rio Grande do Norte, 2008. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17688.

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Made available in DSpace on 2014-12-17T15:42:03Z (GMT). No. of bitstreams: 1 ClaudiaASM.pdf: 1242411 bytes, checksum: c3160a204092117e2180c02e3fd1b0bc (MD5) Previous issue date: 2008-11-12<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Cutting fluids are lubricants used in metal-mechanical industries. Their complex composition varies according to the type of operation carried out, also depending on the metals under treatment or investigation. Due to the high amount of mineral oil produced in Northeastern Brazil, we have detected the need to better use this class of materi

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Kässi, Jonna. "Modeling of Base Oil Blends." Thesis, KTH, Skolan för kemivetenskap (CHE), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-90704.

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Nynas AB is a company that refines oil for different applications such as insulating oils for the electrical industry and base oils for both the lubricant and chemical industry. Different types of base oils are produced for the lubricant industry in order to provide required properties such as good viscosity, solvency, volatility, etc. But sometimes, the oils produced in the refineries (known as “straight cut” oils) do not have the all properties required by a customer, and a way for achieving those properties is to blend different straight cut base oils. To save money and time, empirical co

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Junior, Marcelo Ramalho Amora. "AvaliaÃÃo em unidade piloto da desativaÃÃo de catalisadores industriais de hidrotratamento." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=18393.

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PetrÃleo Brasileiro S/A<br>O objetivo principal Ã determinar a atividade catalÃtica residual e as causas da desativaÃÃo de amostras de catalisadores de uma unidade de HDT de lubrificantes. Foram realizadas corridas em unidade piloto, caracterizaÃÃo dos catalisadores e coletados dados do histÃrico operacional da unidade industrial. A atividade catalÃtica foi determinada atravÃs das conversÃes das reaÃÃes de HDA, HDS e HDN bem como pelos parÃmetros cinÃticos aparentes de um modelo de lei das potÃncias e lei de Arrhenius. Os catalisadores dos leitos principais de entrada e saÃda dos reatores ind

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"Synthesis of β-cyclodextrin and chitosan-based copolymers for the removal of naphthenic acids". Thesis, 2013. http://hdl.handle.net/10388/ETD-2013-03-1000.

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Naphthenic acids (NAs) are a group of carboxylic acids that are found in hydrocarbon deposits such as the oil sands bitumen. These compounds are a well-known corrosive agent and a toxic component in the oil sands process water (OSPW). Due to Alberta’s zero discharge policy, OSPW cannot be released and must be stored until toxic components like NAs are remediated. One technique that has shown potential is to physically adsorb NAs onto a copolymer generated from economical biomaterials. Therefore, the project can be divided into three sections: 1) Synthesis of β-cyclodextrin (β-CD) copolymer for

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Nassiep, Sumaya. "Investigation of the effects of polychlorinated biphenyl (PCB) dechlorination on the natural inhibitors and oxidation stability of uninhibited naphthenic based mineral oils." Thesis, 2010. http://hdl.handle.net/10413/5119.

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PCBs are persistent organic pollutants that have intentionally and unintentionally (through contamination) been added to mineral insulating oil to improve its insulating and cooling properties within electrical equipment. The Stockholm Convention on Persistent Organic Pollutants (2001) orders the eradication of PCBs from use by 2025. Sodium based dechlorination is a PCB destruction process that is non-thermal, relatively cost effective and allows for the recovery of a reusable end product. A comparative benefits study, contained in chapter 2 of this dissertation, describes the increased financ

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Capítulos de libros sobre el tema "Based naphthenic"

"Naphthene-Based Mineral Oils." In Encyclopedia of Lubricants and Lubrication. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-22647-2_200291.

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Arribas, M. A., and A. Martínez. "Production of high cetane diesel fuels by simultaneous hydrogenation of aromatics and ring opening of naphthenes over bifunctional molecular sieves based catalysts." In Studies in Surface Science and Catalysis. Elsevier, 2000. http://dx.doi.org/10.1016/s0167-2991(00)80859-9.

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Actas de conferencias sobre el tema "Based naphthenic"

Lungu, M. V., E. Enescu, M. Lucaci, et al. "TRIBOLOGICAL BEHAVIOR OF ARCING CONTACT MATERIALS BASED ON COPPER INFILTRATED TUNGSTEN COMPOSITES." In BALTTRIB. Aleksandras Stulginskis University, 2017. http://dx.doi.org/10.15544/balttrib.2017.07.

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Tungsten copper composites with 70±3 wt.% W, maximum 1.5 wt.% Ni, and balance Cu were achieved as disks (diameter × height of 50×6 mm) by copper infiltration process of tungsten skeletons. Elemental analysis was assessed by WDXRF spectroscopy. Hydrostatic density was evaluated in ethanol. Vickers hardness and Young’s modulus were determined in ambient air by instrumented indentation technique and Oliver&amp;amp;amp;amp;Pharr computation method. Tribological behavior was investigated under 30 N up to 400 m sliding distance and naphthenic mineral oil lubricant with a standard tribometer of b

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Josefina, Vitolo C. M., and Izquierdo R. Armando. "Use of Naphthenic Base Stocks in Engine Oil Formulations." In 1988 SAE International Fall Fuels and Lubricants Meeting and Exhibition. SAE International, 1988. http://dx.doi.org/10.4271/881585.

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Osuki, Takahiro, Masahiro Seto, Hirokazu Okada, Masayuki Sagara, Satoshi Matsumoto, and Toshihide Ono. "Development of Fit-for-Purpose Austenitic Stainless Steels With High Polythionic Acid Stress Corrosion Resistance." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65536.

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In the process units with Polythionic Acid Stress Corrosion Cracking (PTA-SCC) such as hydrotreater or hydrocracker, the neutralization treatment like soda ash washing and/or PWHT, Post Weld Heat Treatment, are conducted for stabilized austenitic stainless steels of TP321H or TP347H to mitigate the potential of PTA-SCC. 347AP, the proprietary version of Type 347LN, is remarkable for the possibility to save the fabrication and turnaround cost by the elimination of the neutralization treatment and/or PWHT and its reliability to PTA-SCC resistance without PWHT and neutralization was proven by the

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Fang, Zhou, Zhiping Chen, and Lei Wang. "Study on High-Temperature Naphthenic Acid Corrosion of Type 304 and Type 316L Stainless Steel and Their Welded Joints." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77351.

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High-temperature naphthenic acid corrosion (HNAC) behaviors of type 304 and type 316L stainless steel have been investigated in the laboratory with the experimental devices, that were designed and built by ourselves and had applied a patent, to evaluate the resistance of the base metal and their welded joints to the HNAC. Corrosion dependencies on the test temperature (ranging 220–320°C), total acid number (TAN) (ranging 1.86–32.0 mg KOH/g) and media physical states (liquid or vapor) were assessed. Specimens after HNAC tests were characterized by field emission scanning electron microscopy (FE

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Jaubert, Jean-Noe¨l, Romain Privat, and Michel Molie`re. "Ethanol and Distillate Blends: A Thermodynamic Approach to Miscibility Issues." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22126.

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In the recent years, the quest for an ever wider cluster of sustainable primary energies has prompted an increasing number of attempts to combine the emission sobriety of bio fuels with the energy density advantage of fossil fuels. A number of compositions incorporating hydrocarbons, ethanol and in some cases limited amounts of water have been proposed, especially in the forms of micro emulsions, with a variable success. Indeed due to markedly different physical and chemical properties, ethanol and gasoil are able to blend and form homogeneous solutions only in limited proportion ranges. Indee

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Privat, Romain, Jean-Noe¨l Jaubert, and Michel Molie`re. "Ethanol and Distillate Blends—A Thermodynamic Approach to Miscibility Issues: Part 2—The Influence of Water." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45896.

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In recent years, the quest for sustainable primary energies has increased the potential interest of biogenic/fossil fuels mixes. As an example, ethanol is used as a gasoline extender to both partly substitute hydrocarbons and increase octane number while improving vehicle emissions. In a previous paper (GT2010-22126), it has been shown that ethanol and gasoil are able to blend and form homogeneous solutions only in limited proportion ranges, due to their markedly different physical and chemical properties. However the incorporation of small amounts of water in ethanol dramatically decreases th

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Pevneva, Galina S., Natalya G. Voronetskaya, Dmitry S. Korneev, and Anatoly K. Golovko. "Study of hydrocarbon thermal conversion in heavy naphthene-base oil." In PROCEEDINGS OF THE ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. Author(s), 2018. http://dx.doi.org/10.1063/1.5083480.

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Abdul Jameel, Abdul Gani. "A Comprehensive Model for Cetane Number Prediction Using Machine Learning." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-60097.

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Abstract Machine learning based predictive models are being extensively applied for predicting combustion properties like derived cetane number (DCN), which is the measure of a fuels ignition quality. In the present work, a comprehensive model was developed using artificial neural networks (ANN) that can predict the DCN of fuels containing a large number of chemical classes like paraffins, iso-paraffins, olefins, naphthenes, aromatics, alcohols, ethers, aldehydes, ketones and esters. Experimental DCN’s of 275 fuels was used as a dataset and the composition of the fuels expressed in the form of

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