Relevant bibliographies by topics / Butane – Oxidation

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Academic literature on the topic 'Butane – Oxidation'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Butane – Oxidation"

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Hamamura, Natsuko, Ryan T. Storfa, Lewis Semprini, and Daniel J. Arp. "Diversity in Butane Monooxygenases among Butane-Grown Bacteria." Applied and Environmental Microbiology 65, no. 10 (October 1, 1999): 4586–93. http://dx.doi.org/10.1128/aem.65.10.4586-4593.1999.

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ABSTRACT Butane monooxygenases of butane-grown Pseudomonas butanovora, Mycobacterium vaccae JOB5, and an environmental isolate, CF8, were compared at the physiological level. The presence of butane monooxygenases in these bacteria was indicated by the following results. (i) O2 was required for butane degradation. (ii) 1-Butanol was produced during butane degradation. (iii) Acetylene inhibited both butane oxidation and 1-butanol production. The responses to the known monooxygenase inactivator, ethylene, and inhibitor, allyl thiourea (ATU), discriminated butane degradation among the three bacteria. Ethylene irreversibly inactivated butane oxidation by P. butanovora but not by M. vaccae or CF8. In contrast, butane oxidation by only CF8 was strongly inhibited by ATU. In all three strains of butane-grown bacteria, specific polypeptides were labeled in the presence of [14C]acetylene. The [14C]acetylene labeling patterns were different among the three bacteria. Exposure of lactate-grown CF8 and P. butanovora and glucose-grownM. vaccae to butane induced butane oxidation activity as well as the specific acetylene-binding polypeptides. Ammonia was oxidized by all three bacteria. P. butanovora oxidized ammonia to hydroxylamine, while CF8 and M. vaccae produced nitrite. All three bacteria oxidized ethylene to ethylene oxide. Methane oxidation was not detected by any of the bacteria. The results indicate the presence of three distinct butane monooxygenases in butane-grown P. butanovora, M. vaccae, and CF8.
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Vangnai, Alisa S., Daniel J. Arp, and Luis A. Sayavedra-Soto. "Two Distinct Alcohol Dehydrogenases Participate in Butane Metabolism by Pseudomonas butanovora." Journal of Bacteriology 184, no. 7 (April 1, 2002): 1916–24. http://dx.doi.org/10.1128/jb.184.7.1916-1924.2002.

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ABSTRACT The involvement of two primary alcohol dehydrogenases, BDH and BOH, in butane utilization in Pseudomonas butanovora (ATCC 43655) was demonstrated. The genes coding for BOH and BDH were isolated and characterized. The deduced amino acid sequence of BOH suggests a 67-kDa alcohol dehydrogenase containing pyrroloquinoline quinone (PQQ) as cofactor and in the periplasm (29-residue leader sequence). The deduced amino acid sequence of BDH is consistent with a 70.9-kDa, soluble, periplasmic (37-residue leader sequence) alcohol dehydrogenase containing PQQ and heme c as cofactors. BOH and BDH mRNAs were induced whenever the cell's 1-butanol oxidation activity was induced. When induced with butane, the gene for BOH was expressed earlier than the gene for BDH. Insertional disruption of bdh or boh affected adversely, but did not eliminate, butane utilization by P. butanovora. The P. butanovora mutant with both genes boh and bdh inactivated was unable to grow on butane or 1-butanol. These cells, when grown in citrate and incubated in butane, developed butane oxidation capability and accumulated 1-butanol. The enzyme activity of BOH was characterized in cell extracts of the P. butanovora strain with bdh disrupted. Unlike BDH, BOH oxidized 2-butanol. The results support the involvement of two distinct NAD+-independent, PQQ-containing alcohol dehydrogenases, BOH (a quinoprotein) and BDH (a quinohemoprotein), in the butane oxidation pathway of P. butanovora.
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Malow, Monroe. "Maleic anhydride via butane oxidation." Environmental Progress 4, no. 3 (August 1985): 151–54. http://dx.doi.org/10.1002/ep.670040307.

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CHAKIR, A., M. CATHONNET, J. C. BOETTNER, and F. GAILLARD. "KINETIC STUDY OFN-BUTANE OXIDATION." Combustion Science and Technology 65, no. 4-6 (June 1989): 207–30. http://dx.doi.org/10.1080/00102208908924050.

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Agaguseynova, Minira M., Gunel I. Amanullayeva, and Zehra E. Bayramova. "CATALYSTS OF OXIDATION REACTION OF BUTENE-1 TO METHYLETHYLKETONE." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 2 (January 29, 2018): 53. http://dx.doi.org/10.6060/tcct.20186102.5693.

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The available and simple metal complex systems of catalytic oxidation of unsaturated hydrocarbons were developed. It is shown that these systems catalyze the selective liquid-phase oxidation of butene-1 to methyl ethyl ketone by molecular oxygen at low temperature. The best results were revealed using Cu(I)Cl monovalent chloride. The catalyst for the production of methylethylketone is a binary system containing complexes of copper and palladium chloride at a molar ratio of 2:1. Hexamethylphosphoramide is used as the ligand and palladium chloride complex as an additional complex contains benzonitrile. A combined catalyst has been offered. It allows to carry out the oxidation reaction of butene to methyl ethyl ketone under mild conditions (low temperature, atmospheric pressure) with high selectivity and yield of the desired product. The proposed binary system is able to coordinate molecular oxygen and butene-1, and thus it becomes possible to conduct the oxidation reaction not directly between butene-1 and O2, and using a specific complex catalyst system allowing them to react with each other in an activated coordinated state. Absorption properties of catalysts synthesized on the bases of transition metals have been studied and activation of molecular oxygen and butane-1 has been determined. As a result of interaction of coordinated oxygen and butane-1 it is possible to carry out oxidation reaction to methylethylketone in mild condition. The specific feature of the offered binary catalyst is irreversible absorption of molecular oxygen. Mild conditions of the reaction proceeding decreases considerably amount of by-products and simplify obtaining and separation of the main product-methylethylketone. Due to the fact that the absorption of O2 is irreversible and it is possible to easily remove the excess amount of O2 after the formation of the oxygen complex. The developed method has the advantage from the point of view of safety.Forcitation:Agaguseynova M.M., Amanullayeva G.I., Bayramova Z.E. Catalysts of oxidation reaction of butene-1 to methylethylketone. Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. 2018. V. 61. N 2. P. 53-57
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Doughty, D. M., L. A. Sayavedra-Soto, D. J. Arp, and P. J. Bottomley. "Effects of Dichloroethene Isomers on the Induction and Activity of Butane Monooxygenase in the Alkane-Oxidizing Bacterium “Pseudomonas butanovora”." Applied and Environmental Microbiology 71, no. 10 (October 2005): 6054–59. http://dx.doi.org/10.1128/aem.71.10.6054-6059.2005.

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ABSTRACT We examined cooxidation of three different dichloroethenes (1,1-DCE, 1,2-trans DCE, and 1,2-cis DCE) by butane monooxygenase (BMO) in the butane-utilizing bacterium “Pseudomonas butanovora.” Different organic acids were tested as exogenous reductant sources for this process. In addition, we determined if DCEs could serve as surrogate inducers of BMO gene expression. Lactic acid supported greater rates of oxidation of the three DCEs than the other organic acids tested. The impacts of lactic acid-supported DCE oxidation on BMO activity differed among the isomers. In intact cells, 50% of BMO activity was irreversibly lost after consumption of ∼20 nmol mg protein−1 of 1,1-DCE and 1,2-trans DCE in 0.5 and 5 min, respectively. In contrast, a comparable loss of activity required the oxidation of 120 nmol 1,2-cis DCE mg protein−1. Oxidation of similar amounts of each DCE isomer (∼20 nmol mg protein−1) produced different negative effects on lactic acid-dependent respiration. Despite 1,1-DCE being consumed 10 times faster than 1,2,-trans DCE, respiration declined at similar rates, suggesting that the product(s) of oxidation of 1,2-trans DCE was more toxic to respiration than 1,1-DCE. Lactate-grown “P. butanovora” did not express BMO activity but gained activity after exposure to butane, ethene, 1,2-cis DCE, or 1,2-trans DCE. The products of BMO activity, ethene oxide and 1-butanol, induced lacZ in a reporter strain containing lacZ fused to the BMO promoter, whereas butane, ethene, and 1,2-cis DCE did not. 1,2-trans DCE was unique among the BMO substrates tested in its ability to induce lacZ expression.
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Halsey, Kimberly H., Luis A. Sayavedra-Soto, Peter J. Bottomley, and Daniel J. Arp. "Site-Directed Amino Acid Substitutions in the Hydroxylase α Subunit of Butane Monooxygenase from Pseudomonas butanovora: Implications for Substrates Knocking at the Gate." Journal of Bacteriology 188, no. 13 (July 1, 2006): 4962–69. http://dx.doi.org/10.1128/jb.00280-06.

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ABSTRACT Butane monooxygenase (BMO) from Pseudomonas butanovora has high homology to soluble methane monooxygenase (sMMO), and both oxidize a wide range of hydrocarbons; yet previous studies have not demonstrated methane oxidation by BMO. Studies to understand the basis for this difference were initiated by making single-amino-acid substitutions in the hydroxylase α subunit of butane monooxygenase (BMOH-α) in P. butanovora. Residues likely to be within hydrophobic cavities, adjacent to the diiron center, and on the surface of BMOH-α were altered to the corresponding residues from the α subunit of sMMO. In vivo studies of five site-directed mutants were carried out to initiate mechanistic investigations of BMO. Growth rates of mutant strains G113N and L279F on butane were dramatically slower than the rate seen with the control P. butanovora wild-type strain (Rev WT). The specific activities of BMO in these strains were sevenfold lower than those of Rev WT. Strains G113N and L279F also showed 277- and 5.5-fold increases in the ratio of the rates of 2-butanol production to 1-butanol production compared to Rev WT. Propane oxidation by strain G113N was exclusively subterminal and led to accumulation of acetone, which P. butanovora could not further metabolize. Methane oxidation was measurable for all strains, although accumulation of 23 μM methanol led to complete inhibition of methane oxidation in strain Rev WT. In contrast, methane oxidation by strain G113N was not completely inhibited until the methanol concentration reached 83 μM. The structural significance of the results obtained in this study is discussed using a three-dimensional model of BMOH-α.
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Dix, Sean T., Joseph K. Scott, Rachel B. Getman, and Charles T. Campbell. "Using degrees of rate control to improve selective n-butane oxidation over model MOF-encapsulated catalysts: sterically-constrained Ag3Pd(111)." Faraday Discussions 188 (2016): 21–38. http://dx.doi.org/10.1039/c5fd00198f.

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Metal nanoparticles encapsulated within metal organic frameworks (MOFs) offer steric restrictions near the catalytic metal that can improve selectivity, much like in enzymes. A microkinetic model is developed for the regio-selective oxidation of n-butane to 1-butanol with O2 over a model for MOF-encapsulated bimetallic nanoparticles. The model consists of a Ag3Pd(111) surface decorated with a 2-atom-thick ring of (immobile) helium atoms which creates an artificial pore of similar size to that in common MOFs, which sterically constrains the adsorbed reaction intermediates. The kinetic parameters are based on energies calculated using density functional theory (DFT). The microkinetic model was analysed at 423 K to determine the dominant pathways and which species (adsorbed intermediates and transition states in the reaction mechanism) have energies that most sensitively affect the reaction rates to the different products, using degree-of-rate-control (DRC) analysis. This analysis revealed that activation of the C–H bond is assisted by adsorbed oxygen atoms, O*. Unfortunately, O* also abstracts H from adsorbed 1-butanol and butoxy as well, leading to butanal as the only significant product. This suggested to (1) add water to produce more OH*, thus inhibiting these undesired steps which produce OH*, and (2) eliminate most of the O2 pressure to reduce the O* coverage, thus also inhibiting these steps. Combined with increasing butane pressure, this dramatically improved the 1-butanol selectivity (from 0 to 95%) and the rate (to 2 molecules per site per s). Moreover, 40% less O2 was consumed per oxygen atom in the products. Under these conditions, a terminal H in butane is directly eliminated to the Pd site, and the resulting adsorbed butyl combines with OH* to give the desired 1-butanol. These results demonstrate that DRC analysis provides a powerful approach for optimizing catalytic process conditions, and that highly selectivity oxidation can sometimes be achieved by using a mixture of O2 and H2O as the oxidant. This was further demonstrated by DRC analysis of a second microkinetic model based on a related but hypothetical catalyst, where the activation energies for two of the steps were modified.
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Matsuura, Ikuya, Kiyomi Yoshida, and Atsuhito Mori. "Oxidation Behavior of Vanadyl Pyrophosphate as an-Butane Oxidation Catalyst." Chemistry Letters 16, no. 3 (March 5, 1987): 535–38. http://dx.doi.org/10.1246/cl.1987.535.

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Shimizu, Rie, and Takamasa Fuchikami. "Theoretical study of vanadium-catalyzed butane oxidation." Catalysis Today 71, no. 1-2 (November 2001): 137–43. http://dx.doi.org/10.1016/s0920-5861(01)00449-7.

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Dissertations / Theses on the topic "Butane – Oxidation"

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Gobina, E. N. "N-butane oxidation on vanadium-phosphorus-oxide catalysts." Thesis, University of Newcastle Upon Tyne, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304565.

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Brandstädter, Willi Michael. "Partial oxidation of raffinate II and other mixtures of n-butane and n-butenes to maleic anhydride in a fixed-bed reactor." Karlsruhe Univ.-Verl. Karlsruhe, 2007. http://d-nb.info/987418661/04.

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Davies, Michael John. "The heterogeneously catalysed selective oxidation of n-butane to maleic anhydride." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46275.

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Andaka, Ganjar. "The catalytic oxidation of n-butane to maleic anhydride using a membrane reactor." Thesis, University of Salford, 2004. http://usir.salford.ac.uk/26550/.

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Catalytic oxidation of n-butane is important in an attempt towards developing economical and environmentally friendly processes for production of maleic anhydride. Methods of preparation of both the vanadium-phosphorus-oxides (VPO) catalyst and an inorganic composite membrane as well as the performance of the membrane obtained have been investigated in this work. The procedure used in the preparation of vanadium-phosphorus-oxides (VPO) catalyst was similar to that described by Katsumoto and Marquis (1979), while a dip coating method was used for preparation of a silica coated y-A^Os membrane from the outside, and the membrane prepared then was tested for permeance using nitrogen and air. The kinetics of the selective oxidation of n-butane to maleic anhydride has been studied over vanadium-phosphorus-oxides (VPO) catalyst in a differential glass reactor in the temperature range of 380 - 480°C and at atmospheric pressure. Apart from maleic anhydride (MA), the other detectable products were carbon monoxide (CO), carbon dioxide (CO2), and air (HhO). Kinetic measurements demonstrated the production of maleic anhydride, carbon monoxide, and carbon dioxide as initial products of the reaction at low n-butane conversion. Under conditions of a large excess of oxygen, the reaction model was represented according to a scheme of three parallel formation reactions. The activation energies for maleic anhydride (MA), carbon monoxide (CO), and carbon dioxide (CO2) production are 61.1 kJ/gmol, 56.1 kJ/gmol, and 70.9 kJ/gmol, respectively. These values of the activation energies are in the same range as those obtained from previous differential reactor studies. The oxidation of n-butane to maleic anhydride also has been compared by using fixedbed and membrane reactors with the same VPO catalyst. The effects of operating conditions on the conversion of n-butane, the selectivity to maleic anhydride, and the yield of maleic anhydride have been studied in detail. A simulation study on the use of fixed-bed and membrane reactors for oxidation of n-butane to maleic anhydride has also been undertaken. The results of a mathematical simulation study were compared with the experimental results. The membrane reactor offers several advantages over the fixed-bed reactor for selective oxidation of n-butane to maleic anhydride. The membrane reactor provides a wider operating range particularly with respect to inlet gas composition. Furthermore, they are inherently safer since n-butane and oxygen feeds can be separated by the membrane. The higher butane concentrations and controlled addition of oxygen along the reactor length by means of a membrane lead to higher product rates. A comparative study of butane oxidation to maleic anhydride in conventional fixed-bed and a membrane reactor show that using a membrane reactor gives a better selectivity and yield of maleic anhydride than the conventional fixed-bed reactor. From the simulation study, the mathematical models for both the fixed-bed and membrane reactors are in good agreement with the experimental results, except for the mathematical model for the fixed-bed reactor when considering the variation of the oxygen/n-butane ratio. For the membrane reactor, both feed n-butane concentration and oxygen/butane ratio are shown to be not sensitive parameters for the mathematical model, while temperature is a key parameter.
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Al-Otaibi, Raja Lafi. "Preparation and characterisation at vanadium phosphorus oxide catalysts for butane oxidation to maleic anhydride." Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/54234/.

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Vanadium phosphate catalysts have successfully been prepared in aqueous media using hydrogen. The catalysts precursors obtained were poorly crystalline VOHPO4.05H2O and a minor amount of an impurity detected by a reflection in the XRD pattern. Activating these materials for n-butane oxidation show low selectivity of MA (5%), which could be attributed to the presence of V(V) phases after activation.
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Lynch, Michelle Katherine. "The catalytic vapour phase oxidation of butane to acetic acid over vanadium oxide catalysts." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263068.

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Ye, Yinmei. "Experimental study on n-Butane partial oxidation to maleic anhydride in a solid electrolyte membrane reactor Experimentielle Untersuchung der partiellen Oxidation von n-Butan zu Maleinsäureanhydrid in einem Festelektrolytmembranreaktor /." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979547164.

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Brandstädter, Willi Michael. "Partial oxidation of raffinate II and other mixtures of n-butane and n-butenes to maleic anhydride in a fixed-bed reactor." Karlsruhe : Universitätsverlag, 2008. http://www.uvka.de/univerlag/volltexte/2008/295/.

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Chakir, Abdelkhaleq. "Etude cinetique et modelisation du mecanisme d'oxydation a haute temperature de n-butane et de 1-butene." Paris 6, 1988. http://www.theses.fr/1988PA066132.

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L'etude experimentale de l'oxydation du butane et du butene-1 a ete effectuee en reacteur auto-agite par jets gazeux dans un large domaine de conditions experimentales (900-1200 k, 1 a 10 atm, rapports d'equivalents oxygene-hydrocarbure 0,1-4)
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Salazar, Juan Manuel. "Sol-gel synthesis of vanadium phosphorous oxides for the partial oxidation of n-butane to maleic anhydride." Diss., Manhattan, Kan. : Kansas State University, 2007. http://hdl.handle.net/2097/428.

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Books on the topic "Butane – Oxidation"

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Taufiq-Yap, Y. H. A study of the kinetics and mechanism of the partial oxidation of n-butane anad but-1-ene to maleic anhydride. Manchester: UMIST, 1997.

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Book chapters on the topic "Butane – Oxidation"

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Howard, J. A. "In Butane Oxidation." In Inorganic Reactions and Methods, 399–402. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145319.ch169.

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Lerou, J. J., and P. L. Mills. "Du Pont Butane Oxidation Process." In Precision Process Technology, 175–95. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1759-3_13.

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Goetsch, D. A., P. M. Witt, and L. D. Schmidt. "Partial Oxidation of Butane at Microsecond Contact Times." In ACS Symposium Series, 124–39. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0638.ch009.

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Volta, J. C., K. Bere, Y. J. Zhang, and R. Olier. "V—P—O Catalysts inn-Butane Oxidation to Maleic Anhydride." In ACS Symposium Series, 217–30. Washington, DC: American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1993-0523.ch016.

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Okuhara, T., K. Inumaru, and M. Misono. "Active Crystal Face of Vanadyl Pyrophosphate for Selective Oxidation ofn-Butane." In ACS Symposium Series, 156–67. Washington, DC: American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1993-0523.ch012.

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Haber, J., R. Tokarz, and M. Witko. "Mechanism of Selective Oxidation of Butane to Maleic Anhydride on Vanadyl Pyrophosphate Catalysts." In ACS Symposium Series, 249–58. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0638.ch018.

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Ruitenbeek, Matthijs, R. A. Overbeek, D. C. Koningsberger, and J. W. Geus. "The Selective Oxidation of N-Butane to Maleic Anhydride; Development of Silica-and Titania Supported V-P-O Catalysts." In Catalytic Activation and Functionalisation of Light Alkanes, 423–27. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-017-0982-8_20.

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Menendez, Miguel. "N-Butane Oxidative Dehydrogenation by Membrane Reactor." In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-40872-4_1213-2.

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Jung, Ji Chul, Hee Soo Kim, Ahn Seop Choi, Young Min Chung, Tae Jin Kim, Seong Jun Lee, Seung Hoon Oh, and In Kyu Song. "Preparation and Characterization of Bismuth Molybdate Catalyst for Oxidative Dehydrogenation of n-Butene into 1,3-Butadiene." In Solid State Phenomena, 251–54. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-27-2.251.

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Hutchings, Graham J., Catherine S. Heneghan, Ian D. Hudson, and Stuart H. Taylor. "A New Class of Uranium Oxide Based Catalysts for the Oxidative Destruction of Benzene and Butane Volatile Organic Compounds." In ACS Symposium Series, 58–75. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0638.ch005.

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Conference papers on the topic "Butane – Oxidation"

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Lamnaouer, Mouna, Chris Zinner, Brandon Rotavera, Gilles Bourque, and Eric Petersen. "Butane Oxidation at Elevated Temperatures." In 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-5658.

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Hoffman, James S., and Thomas A. Litzinger. "Oxidation of 1-Butene and n-Butane at Elevated Pressures." In International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1991. http://dx.doi.org/10.4271/912317.

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Donato, Nicole, Christopher Aul, Eric Petersen, Christopher Zinner, Henry Curran, and Gilles Bourque. "Ignition and Oxidation of 50/50 Butane Isomer Blends." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59673.

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One of the alkanes found within gaseous fuel blends of interest to gas turbine applications is butane. There are two structural isomers of butane, normal butane and iso-butane, and the combustion characteristics of either isomer are not well known. Of particular interest to this work are mixtures of n-butane and iso-butane. A shock-tube experiment was performed to produce important ignition delay time data for these binary butane isomer mixtures which are not currently well studied, with emphasis on 50–50 blends of the two isomers. These data represent the most extensive shock-tube results to date for mixtures of n-butane and iso-butane. Ignition within the shock tube was determined from the sharp pressure rise measured at the endwall which is characteristic of such exothermic reactions. Both experimental and kinetics modeling results are presented for a wide range of stoichiometry (φ = 0.3–2.0), temperature (1056–1598 K), and pressure (1–21 atm). The results of this work serve as validation for the current chemical kinetics model. Correlations in the form of Arrhenius-type expressions are presented which agree well with both the experimental results and the kinetics modeling. The results of an ignition-delay-time sensitivity analysis are provided, and key reactions are identified. The data from this study are compared with the modeling results of 100% normal butane and 100% iso-butane. The 50/50 mixture of n-butane and iso-butane was shown to be more readily ignitable than 100% iso-butane but reacts slower than 100% n-butane only for the richer mixtures. There was little difference in ignition time between the lean mixtures.
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Santis-Alvarez, Alejandro J., Majid Nabavi, and Dimos Poulikakos. "Self-Sustained Partial Oxidation of N-Butane Triggered by a Hybrid Start-Up Process for Micro-SOFC Devices." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62043.

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Micro-solid oxide fuel cell (SOFC) power plants are emerging as a promising alternative for power generation for portable applications due to their low emission of pollutants, high power density and fuel flexibility. Some of the challenges for developing such micro-SOFC power plants are geometrical compactness, fast start-up and self-sustainability at operating conditions. In this work, we present a hybrid start-up process for a micro-SOFC power plant using catalytic oxidation of n-butane over Rh-doped Ce0.5Zr0.5O2 nanoparticles in a small-scale reactor to provide the necessary intermediate operating temperature (500–550 °C) and syngas (CO + H2) as fuel for a micro-SOFC membrane. A short heating wire is used to generate the heat required to trigger the oxidative reaction. The hybrid start-up is investigated for partial oxidation (POX) and total oxidation (TOX) ratios at one specified flow rate. Additionally, the variation of electrical heating time and its influence on the hybrid start-up is evaluated.
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Glaude, Pierre-Alexandre, Baptiste Sirjean, René Fournet, Roda Bounaceur, Matthieu Vierling, Pierre Montagne, and Michel Molière. "Combustion and Oxidation Kinetics of Alternative Gas Turbines Fuels." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25070.

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Heavy duty gas turbines are very flexible combustion tools that accommodate a wide variety of gaseous and liquid fuels ranging from natural gas to heavy oils, including syngas, LPG, petrochemical streams (propene, butane…), hydrogen-rich refinery by-products; naphtha; ethanol, biodiesel, aromatic gasoline and gasoil, etc. The contemporaneous quest for an increasing panel of primary energies leads manufacturers and operators to explore an ever larger segment of unconventional power generation fuels. In this moving context, there is a need to fully characterize the combustion features of these novel fuels in the specific pressure, temperature and equivalence ratio conditions of gas turbine combustors using e.g. methane as reference molecule and to cover the safety aspects of their utilization. A numerical investigation of the combustion of a representative cluster of alternative fuels has been performed in the gas phase, namely two natural gas fuels of different compositions, including some ethane, a process gas with a high content of butene, oxygenated compounds including methanol, ethanol, and DME (dimethyl ether). Sub-mechanisms have specifically been developed to include the reactions of C4 species. Major combustion parameters, such as auto-ignition temperature (AIT), ignition delay times (AID), laminar burning velocities of premixed flames, adiabatic flame temperatures, and CO and NOx emissions have then been investigated. Finally, the data have been compared with those calculated for methane flames. These simulations show that the behaviors of alternative fuels markedly differ from that of conventional ones. Especially, DME and the process gases appear to be highly reactive with significant impacts on the auto-ignition temperature and flame speed data, which justifies burner design studies within premixed combustion schemes and proper safety considerations. The behaviors of alcohols (especially methanol) display some commonalities with those of conventional fuels. In contrast, DME and process gas fuels develop substantially different flame temperature and NOx generation rates than methane. Resorting to lean premix conditions is likely to achieve lower NOx emission performances. This review of gas turbine fuels shows for instance that the use of methanol as a gas turbine fuel is possible with very limited combustor modifications.
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Maxey, Christopher J., Gregory S. Jackson, Seyed-Abdolreza Seyed Reihani, Steven C. Decaluwe, Siddharth Patel, Anand Veeraragavan, and Christopher P. Cadou. "Integration of Catalytic Combustion and Heat Recovery With Meso-Scale Solid Oxide Fuel Cell System." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67040.

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To facilitate high-power density operation of a meso-scale solid oxide fuel cell (SOFC) system, fuel processing and anode exhaust catalytic combustor with waste heat recovery are critical components. An integrated modeling study of a catalytic combustor with a solid oxide fuel cell and a catalytic partial oxidation (CPOx) reactor indicates critical aspects of the butane-fueled system design in order to ensure stable operation of the SOFC as well as the combustor and CPOx reactor. The modeled system consists of: 1) a Rh-coated ceramic foam catalytic partial oxidation reactor, 2) a SOFC with a Ni/YSZ structural anode, a dense YSZ electrolyte, and a LSM/YSZ cathode layer, and 3) a Pt-coated anode exhaust combustor with waste heat recovery. Model results for a system designed to produce < 30 W electric power from n-butane show how the design of the inlet-air cooled catalytic combustor can maximize combustion efficiency of the anode exhaust and heat recovery to the system inlet air flow. The model also shows the need to minimize heat loss in the air flow passages in order to maintain stable SOFC operation at 700 °C or higher. There is a strong sensitivity of the system operation to the SOFC operating voltage as well as the overall air to fuel ratio, and these sensitivities place important bounds on the range of operating conditions.
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Lee, Taek Heon, Jin Woo Song, Kwang Min Chun, Bae-Hyeock Chun, and Younggy Shin. "Experimental Study on the Oxidation of Model Gases - Propylene, N-Butane, Acetylene at Ambient Temperature by Non-Thermal Plasma and Photocatalyst." In SAE International Fall Fuels & Lubricants Meeting & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-3514.

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Sodano, Henry A., and Philip Kneeland. "Small Thermoelectric Energy Source Using Various Fuels." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-16286.

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Over the past decade society's dependence on wireless electronics has grown substantially. Because these electronics are wireless they must carry their own power source, which in most cases is the electrochemical battery. Batteries can be problematic as a power source due to their limited lifespan. This raises significant issues for emergency and military applications, in which the function of the electronic device is crucial. In order to avoid these problems the amount of research being devoted to the development of small power sources has been growing rapidly. Here we propose the development of a small power source that can be used for the generation of electrical energy over a small duration of time. The energy source will used thermoelectric modules to convert thermal gradients to electrical energy. Several methods of generating the thermal gradient will be studied including a small butane flame equivalent to a pocket lighter, the rapid oxidation of magnesium that is commonly used in military MRE rations and lastly the slow oxidation of iron typically found in disposable pocket warmers. The efficiency and power output of each source will be identified and used to show the duration at which a mobile phone could be used.
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Richter, Sandra, Marina Braun-Unkhoff, Jürgen Herzler, Torsten Methling, Clemens Naumann, and Uwe Riedel. "An Investigation of Combustion Properties of a Gasoline Primary Reference Fuel Surrogate Blended With Butanol." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90911.

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Abstract Currently, many research studies are exploring opportunities for the use of novel fuels and of their blends with conventional, i.e. petroleum-based fuels. To pave the way for their acceptance and implementation in the existing energy market, a comprehensive knowledge about their combustion properties is inevitable, among others. Within this context, alcohols, with butanol in particular, are considered as attractive candidates for the needed de-fossilization of the energy sector. In this work, we report on the oxidation of mixtures of n-heptane/i-octane (PRF90, primary reference fuel, a gasoline surrogate) and addition of n-butanol, 20% and 40%, respectively, in a combined experimental and modeling effort. The focus was set on two fundamental combustion properties: (i) Ignition delay times measured in a shock tube, at ambient and elevated pressures, for stoichiometric mixtures, and (ii) Laminar burning velocities, at ambient and elevated pressures. Moreover, two detailed chemical kinetic reaction mechanisms, with an in-house model among them, have been used for investigating and analyzing the combustion of these mixtures. In general, the experimental data agree well with the model predictions of the in-house reaction model, for the temperatures, pressures, and fuel-air ratios studied. Room for improvements is seen for PRF90. The results achieved were also compared to those of n-butanol reported recently; the findings demonstrated clearly the effect of the n-butanol sub model on binary fuel-air mixtures consisting of PRF and n-butanol. From the present work it can be concluded that the addition of n-butanol to gasoline appears to be an attractive alternative fuel for most types of heat engines.
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Hà, Nguye^̃n Ngọc, Tra^̀n Thành Hue^́, Nguye^́n Minh Thọ, Dong-Qing Wei, and Xi-Jun Wang. "Periodic Density Functional Theory Study of the Oxidative Dehydrogenation of n-butane on the (001) Surface of V[sub 2]O[sub 5]." In THEORY AND APPLICATIONS OF COMPUTATIONAL CHEMISTRY—2008. AIP, 2009. http://dx.doi.org/10.1063/1.3108387.

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Reports on the topic "Butane – Oxidation"

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Lee, Ivan C., Jeffrey G. St. Clair, and Adam S. Gamson. Catalytic Oxidative Dehydration of Butanol Isomers: 1-Butanol, 2-Butanol, and Isobutanol. Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada550017.

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Lin, Paul P., Alec J. Jaeger, Tung-Yun Wu, Sharon C. Xu, Abraxa S. Lee, Fanke Gao, Po-Wei Chen, and James C. Liao. Construction of a Robust Non-Oxidative Glycolysis in Model Organisms for n-Butanol Production. Office of Scientific and Technical Information (OSTI), April 2019. http://dx.doi.org/10.2172/1506427.

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