On the catalytic dehydrogenation of n-butane

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August undefined, 2024

WebIntroduction 1,3-Butadiene is a large-market commodity chemical used in the manufacture of synthetic polymers and other materials. 1–3 Historically, it has been produced as a byproduct of non-catalytic steam cracking of the naphtha fraction of petroleum for ethylene production, or by catalytic dehydrogenation (direct or oxidative) of n-butane and n … Web5 de mar. de 2024 · Recent Progress in commercial and novel catalysts for catalytic dehydrogenation of light alkanes[J]. The Chemical Record, 2024, …

(PDF) Dehydrogenation of n-Butane to Butenes and 1,3 …

Web23 de dez. de 2016 · 1,3-Butadiene (BD) is an important bulk chemical which is mainly produced as a byproduct in ethylene and propylene manufacturing through a naphtha cracking process [].As an additional method, catalytic dehydrogenation of normal butane is employed to obtain BD (the Houdry process) [].On the other hand, catalytic oxidative … WebAssuming that only the dehydrogenation cracking pathway of n-pentane occurs on the catalytic pyrolysis catalyst, the equilibrium yield of light olefins containing ethylene and … smart ostrich

Dehydrogenation of n-butane on the industrial microspherical …

WebGaN‐containing titanosilicate catalysts were used for the first time for the oxidative dehydrogenation (ODH) of n‐butane at a relatively low reaction temperature (460 … WebThe growing demand for isobutane as a vital petrochemical feedstock and chemical intermediate has for many decades surpassed industrial outputs that can be supplied … WebHexagonal boron nitride (hBN) is presented as an outstanding catalyst for the selective production of C 4 olefins by the oxidative dehydrogenation of n-butane and isobutane.Unlike catalysts reported previously, hBN limits the amount of undesired CO x and instead forms C 2 and C 3 olefins as the main side products. Kinetic experiments … smart otc fora6

Catalytic oxidative dehydrogenation of n-butane over …

Catalysts for n-Butane Dehydrogenation to 1-Butene - ResearchGate

Web3 de out. de 2008 · Such catalysts require high O 2 /butane ratios to maintain the activity, which leads to unwanted product oxidation. We show that carbon nanotubes with modified surface functionality efficiently catalyze the oxidative dehydrogenation of n -butane to butenes, especially butadiene. For low O 2 /butane ratios, a high selectivity to alkenes … Web2 de set. de 2014 · The catalytic performance of Pd-based intermetallic compounds supported on silica (PdmMn/SiO2: M = Bi, Fe, Ge, In, Sn, Zn) was investigated in oxidative dehydrogenation of 1-butene and n-butane. A remarkable increase in selectivity (and also yield) of dehydrogenation products (1,3-butadiene and/or 1-butene) was obtained when … hillview village apts memphis tnWebThe thermal cracking of n-butane was compared with both thermal and catalytic n-butane oxidative dehydrogenation reactions.It was found that thermal oxidative dehydrogenation of n-butane was highly selective to n-butenes (approximately 70%) in the conversion range of 11–20%.This reaction proceeded at lower temperature than the thermal cracking of n … hilly bank tiverton

"Web5 de jul. de 2024 · 1. Introduction. The catalytic dehydrogenation of n-butane is a highly important reaction for production of butenes (n-butene, cis-2-butene, and trans-2-butene) and butadiene, which are the raw materials of synthetic rubbers, plastics, and other valuable chemical products [1, 2].There are two types of dehydrogenation: (i) oxidative … " - On the catalytic dehydrogenation of n-butane

On the catalytic dehydrogenation of n-butane

Dehydrogenation of n-butarie over Pd-Ga/Al2O3 catalysts

Web7 de nov. de 2013 · The basic features of the catalytic membrane dehydrogenation of n-butane have been studied in a reactor with membrane modules based on Pd/Ag foil of 9.3 and 30 μm thickness and in the absence of the membrane (temperature, 500–550°C; feed space velocity, 150–1200 h −1).It has been shown that in the absence of the membrane, … WebThe formation of carbon-containing species was studied during propane dehydrogenation on a chromia/alumina catalyst with 13.5 wt% chromium.The deposition was monitored by in situ DRIFT spectroscopy c

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Web26 de jun. de 2024 · GaN-containing titanosilicate catalysts were used for the first time for the oxidative dehydrogenation (ODH) of n-butane at a relatively low reaction … WebThe effect of oxygen property of X-Mg3(VO4)2/MgO-ZrO2 nano-catalysts on the catalytic performance in the oxidative dehydrogenation of n-butane was investigated. …

Web1.6.2) Butadiene Production via Catalytic Dehydrogenation of n-Butane and n-Butene (the Houdry process) The catalytic dehydrogenation of n-butane is a two-step process; initially going from n-butane to n-butenes and then to butadiene. Both steps are endothermic. A major butane-based process is the Houdry Catadiene process outlined … Web1. The oxidative dehydrogenation of n-butane on metal chlorides in the temperature interval 550–590°C is a heterogeneous catalytic reaction and proceeds when hydrochloric acid is added. 2. Copper, iron, and potassium chlorides, as well as ferric oxide on silica gel, were studied as catalysts for this reaction; the content of the acid ingredient was …

Web13 de abr. de 2024 · Ethanol is one of the most promising renewable resources for producing key industrial commodities. Herein, we present the direct conversion of ethanol to either primary or secondary alcohols, or to hydrocarbons, using ruthenium PNP pincer complexes [(RPNP)RuHXCO] (R = iPr, Ph, Cy, tBu; X = Cl, H–BH3) as catalysts. Using … http://cce.upc.edu.cn/2024/0305/c2673a45576/page.htm

WebSignificant improvements have been made in the UOP Oleflex process for the catalytic dehydrogenation of C/sub 2/-C/sub 5/ paraffins. This paper, after a brief description of the process, reviews the new developments in catalyst, process design and gives detailed pilot plant data on selective dehydrogenation of ethane to ethylene, with selectivity to …

Web24 de set. de 2011 · The catalytic activity of well-nanostructured carbon, for example glassy carbon spheres, SWCNT, graphene, and graphite, has been demonstrated in the oxidative dehydrogenation (ODH) of butane to obtain olefins. The catalytic performance of the carbon samples was stable, with prolonged reaction time. The proportion of butenes in … hilly acres puppiesWeb1 de jul. de 2015 · Catalytic performance for n-butane oxidative dehydrogenation. The catalytic reaction was conducted in the temperature range of 500–600 °C. To account … hilly areas meaningWebThe dehydrogenation reaction of n -butane over chromia-alumina has been kinetically investigated employing the differential reactor technique at temperatures ranging from … smart order rchWebA study was made of the dehydrogenation of n-butane over a commercial chromia-alumina catalyst. Dehydrogenation runs were performed at 500°C. and space velocity … smart organisation definitionWeb1 de fev. de 1998 · A comparative study of the catalytic performance of a selective V-Mg-O catalyst in the oxidative dehydrogenation of n-butane is presented using three different types of reactor: (i) an adiabatic fixed-bed reactor; (ii) a fluidized-bed reactor; and (iii) an in situ redox fluidized-bed reactor. The results obtained indicate that the in situ redox … hillview public libraryWeb5 de mar. de 2014 · Fig. 2 shows the catalytic performance of Pt/Sn/γ-Al 2 O 3 and Pt/Sn/M/γ-Al 2 O 3 (M = Zn, In, Y, Bi, and Ga) catalysts with time on stream in the direct … smart outcomes educationWeb20 de set. de 2024 · The catalytic tests were carried out at ambient pressure and ... Improving Alkene Selectivity of Nanocarbon Catalyzed Oxidative Dehydrogenation of n … smart otp shb