On the catalytic dehydrogenation of n-butane

Author: xxth

August undefined, 2024

Web31 de jan. de 2010 · Dehydrogenation of n-butane over alumina-supported Pd and Pd–Ga catalysts was studied. Catalysts were prepared by incipient wetness impregnation with a Pd content of 0.66 wt% and atomic Ga/Pd ratios from 0 to ∞, using aqueous solutions of PdCl 2 and Ga(NO 3) 3.Fresh (uncalcined) and calcined catalysts were characterized by X-ray … 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 …

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

WebDehydrogenation of n-butane over alumina-supported Pd and Pd-Ga catalysts was studied. Catalysts were prepared by incipient wetness impregnation with a Pd content of 0.66 wt% and atomic Ga/Pd ratios great gatsby character analysis tom

Surface-Modified Carbon Nanotubes Catalyze Oxidative Dehydrogenation …

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 propylene was over 90 wt% at 800 K. However, the coexistence of protolytic and other cracking pathways significantly reduced the yield of light olefins. Web1 de mai. de 2015 · Oxidative dehydrogenation of n-butane to 1,3-butadiene over Bi–Ni oxide/γ-Al 2 O 3 catalyst was studied with fixed bed/flow-type reactor at 400–500 °C. The … WebAbstract (EN): This review deals with the catalytic conversion of n-butane by oxidative dehydrogenation as an alternative process to direct dehydrogenation, making special … great gatsby chapter two

Oxidative Dehydrogenation of 1-Butene to 1,3-Butadiene over a ...

Improving hydrogen selectivity in oxidative dehydrogenation of …

Web2 de mai. de 2013 · The dehydrogenation of n-butane had also been performed on the catalysts in the absence of oxygen in the feed. The obtained conversions can be … 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 … flitwick focus facebookWeb1. 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 … flitwick focus

"WebNanocarbon materials are promising catalysts of oxidative dehydrogenation (ODH) of alkanes, but improving the alkene selectivity remains a challenge. A deep understanding and thorough identification of oxygen species on nanocarbons are strongly required for approaches to nanocarbon modification. Successful application of iodometric titration in … " - On the catalytic dehydrogenation of n-butane

On the catalytic dehydrogenation of n-butane

Dehydrogenation of n-butane over Pd–Ga/Al2O3 catalysts

Web27 de ago. de 2014 · Fe-MOF Materials as Precursors for the Catalytic Dehydrogenation of Isobutane. ACS Catalysis 2024, 12 (7 ... Yanfei Zhang, Liang Qi, Branden Leonhardt, Alexis T. Bell. Mechanism and Kinetics of n-Butane Dehydrogenation to 1,3-Butadiene Catalyzed by Isolated Pt Sites Grafted onto ≡SiOZn–OH Nests in Dealuminated ... 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 …

Did you know?

Web9 de mar. de 2016 · Vanadium oxide supported on MSU-1, with VOx loading ranging from 2.5 to 17.5 wt. %, was developed as a highly active catalyst in dehydrogenation of … Web17 de jan. de 2014 · A series of Pt-based intermetallic compounds supported on silica (Pt m M n /SiO 2: M = Co, Ge, Sn, Tl and Zn) were prepared by conventional impregnation and chemical vapor deposition. Catalytic properties of the intermetallic compounds in dehydrogenation of cyclohexane and n-butane were investigated.Pt 3 Sn/SiO 2 and …

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 … WebThe non-oxidative dehydrogenation of n-butane was studied over potassium-promoted supported vanadium alumina catalysts (at 823 K under atmosphere pressure) to explore …

WebCatalytic Activity The -nbutane conversion was carried ou t in a fixed bed reactor operated under steady state conditions at 350ºC and atmospheric pressure. The feed stream was a mixture of nitrogen and -butane n at a molar ratio of 9, which results for -butane in an WHSV= 2.5 1. Concerning with the results ofh 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 …

Web5 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 …

Web1 de out. de 2007 · The present study investigates the catalytic n-butane dehydrogenation under oxygen free atmosphere using VOx supported on USY, NaY, γ … great gatsby character bookmarksWebThe 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 flitwick focus facebook pageWeb20 de set. de 2024 · The catalytic tests were carried out at ambient pressure and ... Improving Alkene Selectivity of Nanocarbon Catalyzed Oxidative Dehydrogenation of n … flitwick food bankWeb15 de jun. de 2024 · Here, propane dehydrogenation (PDH) to propylene and side reactions, namely, cracking and deep dehydrogenation on Ni(111) surface, have been theoretically investigated by density functional theory calculation. On the basis of adsorption energies, propane is physisorbed on Ni(111) surface, whereas propylene exhibits … great gatsby character developmentWebThe 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 … flitwick gardening associationWeb3 de fev. de 2007 · This review deals with the catalytic conversion of n-butane by oxidative dehydrogenation as an alternative process to direct dehydrogenation, making special … great gatsby characters quizletWeb23 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 … flitwick football centre