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Oxidation of methane to methanol - Mobil Oil Corporation

Oxidation of methane to methanol - Mobil Oil Corporation

Jan 01, 1991 · A reaction which has been extensively studied for many years is the direct partial oxidation of methane to methanol. This route, involving essentially the reaction of methane and gaseous oxygen according to the simple equation CH 4 +1/2O 2 CH 3 OH. could theoretically produce methanol with no by-product.

Sulphur poisoning of palladium catalysts used for methane .

Sulphur poisoning of palladium catalysts used for methane .

May 01, 2008 · According to this model, we can define the parameter Φ as the fraction of Pd active sites that are in the form of sulphur-poisoned palladium (surface sulphates or sulphites) at a given time, the reaction rate for the methane .

Direct Methane to Methanol: The Selectivity–Conversion .

Direct Methane to Methanol: The Selectivity–Conversion .

Currently, methane is transformed into methanol through the two-step syngas process, which requires high temperatures and centralized production. While the slightly exothermic direct partial oxidation of methane .

V2O5 SiO2-catalyzed methane partial oxidation with .

V2O5 SiO2-catalyzed methane partial oxidation with .

Apr 01, 1989 · The partial oxidation of methane to formaldehyde by molecular oxygen has been studied using vanadium(V) oxide-silica catalysts in the temperature range 773–873 K at 1 atm pressure. Although HCHO selectivity in excess of 70% was observed at very low conversions, it was found to decrease rapidly as the extent of reaction .

Dioxygen dissociation over man-made system at room .

Dioxygen dissociation over man-made system at room .

Activation of dioxygen attracts enormous attention due to its potential for utilization of methane and applications in other selective oxidation reactions. We report a cleavage of dioxygen at room temperature over distant binuclear Fe(II) species stabilized in an aluminosilicate matrix. A pair of formed distant α-oxygen species [i.e., (Fe(IV)═O)2+] exhibits unique oxidation .

Ambient methane functionalization initiated by .

Ambient methane functionalization initiated by .

Jul 23, 2020 · a, b Cyclic voltammograms (a) and 1 H NMR spectra of liquid samples after 6-h electrolysis (b) for 10 mM 1 in 1-bar CH 4 (red), 10 mM 1 in 1-bar N 2 (blue), and blanks without 1 (black). Dashed .

Catalytic reforming - Wikipedia

Catalytic reforming - Wikipedia

Catalytic reforming is a chemical process used to convert petroleum refinery naphthas distilled from crude oil (typically having low octane ratings) into high-octane liquid products called reformates, which are .

(12) United States Patent (lo) Patent No.: US 8,435,920 B2 .

(12) United States Patent (lo) Patent No.: US 8,435,920 B2 .

cyclic partial oxidation of gaseous hydrocarbons has appeared much less frequently in the literature. Nevertheless, in one instance NiO supported on A1203 was investigated in the chemical looping reforming of methane. 17 The process reported by Lyon uses a packed bed reactor .

US Patent for Method and system for producing methanol .

US Patent for Method and system for producing methanol .

Dec 09, 2015 · A method and system for producing methanol that employs steam methane reforming (SMR) and/or autothermal (ATR) synthesis gas production system, together with a partial oxidation system, is disclosed. The dual mode system and method for producing the synthesis gas in a methanol production process optimizes the efficiency and productivity of the methanol plant by using the partial oxidation .

United States Patent Patent Nov. 2, 2010

United States Patent Patent Nov. 2, 2010

cyclic partial oxidation of gaseous hydrocarbons has appeared much less frequently in the literature. Nevertheless, in one instance NiO supported on Al203 was investigated in the chemical looping reforming of methane. 17 The process reported by Lyon uses a packed bed reactor .

Partial Oxidation of Methane - an overview | ScienceDirect .

Partial Oxidation of Methane - an overview | ScienceDirect .

Partial oxidation of methane tests performed on channel reactor coated by one coat of Ni-based catalyst were not successful, neither hydrogen nor carbon monoxide was produced especially at low temperature. However, with a thin catalyst coating on a stainless steel substrate, a possible mechanism of inactivation or deactivation is iron migration from the steel into .

Ambient methane functionalization initiated by .

Ambient methane functionalization initiated by .

Jul 23, 2020 · a, b Cyclic voltammograms (a) and 1 H NMR spectra of liquid samples after 6-h electrolysis (b) for 10 mM 1 in 1-bar CH 4 (red), 10 mM 1 in 1-bar N 2 (blue), and blanks without 1 (black). Dashed .

Oxidation pond for municipal wastewater treatment .

Oxidation pond for municipal wastewater treatment .

Apr 23, 2015 · Oxidation ponds, also known as waste stabilization ponds, provide greater advantages over mechanically based units. First, ponds can be described as self-sufficient treatment units, .

EPO - T 2186/12 () of 21.1.2016 - European Patent Office

EPO - T 2186/12 () of 21.1.2016 - European Patent Office

Jan 21, 2016 · D4 moreover does not provide any teaching leading towards the reaction conditions proposed in claim 1 at issue. 6.8.3 D2 discloses a micro-channel reactor for the partial oxidation of methane to synthesis gas having the configuration shown in figure 2. The combustor heat exchanger preheats an air stream, which is dedicated as heat exchanger fluid.

Ambient methane functionalization initiated by .

Ambient methane functionalization initiated by .

Jul 23, 2020 · a, b Cyclic voltammograms (a) and 1 H NMR spectra of liquid samples after 6-h electrolysis (b) for 10 mM 1 in 1-bar CH 4 (red), 10 mM 1 in 1-bar N 2 (blue), and blanks without 1 (black). Dashed .

Oxidation of Ethanol: Equation, Product & Mechanism .

Oxidation of Ethanol: Equation, Product & Mechanism .

The product of an ethanol oxidation reaction is a compound known as acetic acid. That may not mean much to you at first, but acetic acid is the main component of vinegar, used in everything from .

Partial oxidation process for producing a stream of hot .

Partial oxidation process for producing a stream of hot .

The carbon-water slurry is concentrated to about five to seven percent by weight of carbon mixed with fuel and injected into the reactor for the dual purposes of utilizing the carbon contained in the slurry as the feedstock for the partial oxidation process and the water as a temperature moderator for the reactor. 5 claims, 2 drawing .

V2O5 SiO2-catalyzed methane partial oxidation with .

V2O5 SiO2-catalyzed methane partial oxidation with .

Apr 01, 1989 · The partial oxidation of methane to formaldehyde by molecular oxygen has been studied using vanadium(V) oxide-silica catalysts in the temperature range 773–873 K at 1 atm pressure. Although HCHO selectivity in excess of 70% was observed at very low conversions, it was found to decrease rapidly as the extent of reaction was increased.

Propane oxidative dehydrogenation over highly selective .

Propane oxidative dehydrogenation over highly selective .

In the oxidative coupling of the methane reaction (OCM) (11–13), methyl is generated via the C-H cleavage of methane, followed by its oxidative reactions, which mainly include three reaction pathways: (i) conversion of methyl to C1-oxygenates, (ii) oxidation of methyl to form CO x, and (iii) coupling of methyl to form .

Mild oxidation of methane to methanol or acetic acid on .

Mild oxidation of methane to methanol or acetic acid on .

Nov 30, 2017 · In situ surface chemistries and catalytic performances of ceria doped with palladium, platinum, and rhodium in methane partial oxidation for the production of syngas. ACS Catal. 3, 2627–2639 (2013)

(PDF) Anaerobic Ammonium Oxidation Discovered in a .

(PDF) Anaerobic Ammonium Oxidation Discovered in a .

Part of the post-treatment of an anaerobic wastewater treatment plant described in a recent patent (EPA 0051.888) is a denitrifying fluidized bed reactor in which sulfide and lower fatty acids are .

Methanol From Wood Waste: A Technical and Economic Study

Methanol From Wood Waste: A Technical and Economic Study

oxidation (lower) zone is only about 2,200° F; waste is discharged as a solid in a granular form rather than as a molten slag.Pressure at the base of the reactor is approximately 6-8 lb/in.2g and at the top 2-3 lb/in.2g. The raw gas leaves the reactor .

(PDF) Anaerobic Ammonium Oxidation Discovered in a .

(PDF) Anaerobic Ammonium Oxidation Discovered in a .

Part of the post-treatment of an anaerobic wastewater treatment plant described in a recent patent (EPA 0051.888) is a denitrifying fluidized bed reactor in which sulfide and lower fatty acids are .

Catalytic Partial Oxidation - ScienceDirect

Catalytic Partial Oxidation - ScienceDirect

Jan 01, 2011 · 5.1. Introduction. Catalytic partial oxidation (CPOX) is an attractive option to produce H 2 and CO from hydrocarbon fuels for fuel cell applications. In particular, CPOX is suitable for compact or mobile fuel-processing systems integrated with solid oxide fuel cells (SOFCs) due to similarity of operating conditions and the utilization of currently available infrastructure fuels.

Oxidation catalyst and process for the partial oxidation .

Oxidation catalyst and process for the partial oxidation .

Sep 05, 1995 · The invention relates to a catalyst for the partial oxidation of methane or a gaseous mixture containing methane, said catalyst which preferably has a perovskite structure has the .

Preparation of Mesoporous Silica by Nonionic Surfactant .

Preparation of Mesoporous Silica by Nonionic Surfactant .

Sep 16, 2019 · CH 4 conversions obtained for partial oxidation of methane over Rh(5)/MSPN12, Ni(5)/MSPN12, and Rh(5)/Al 2 O 3 in a packed bed reactor at P = 1 atm, T = 700 °C, CH 4 /O 2 = 2 .

Partial oxidation process for producing a stream of hot .

Partial oxidation process for producing a stream of hot .

The carbon-water slurry is concentrated to about five to seven percent by weight of carbon mixed with fuel and injected into the reactor for the dual purposes of utilizing the carbon contained in the slurry as the feedstock for the partial oxidation process and the water as a temperature moderator for the reactor. 5 claims, 2 drawing .

Kinetics, catalysis and mechanism of methane steam reforming

Kinetics, catalysis and mechanism of methane steam reforming

shift reaction, CO + H2O = CO2 + H2, which has recently been investigated by a former Ph.D. student in our group, Caitlin Callaghan. Here, the first reaction CH4 + H2O = CO + 3H2, i.e., methane reforming, is analyzed using a reaction route network approach to obtain the overall methane steam reforming network and kinetics.

Hydrogen production from partial oxidation of methane in a .

Hydrogen production from partial oxidation of methane in a .

May 01, 2009 · Methane being the main component of natural gas and byproduct of many biofermentations, is considered to be an inexpensive and renewable source of hydrogen for the near future (El-Osta and Zeghlam, 2000, Veziroğlu, 1998).Fig. 3 displays the experimental results of the methane partial oxidation on Rh/α-Al 2 O 3 catalyst in the packed-bed reactor. The reaction .

Process for preparing a stabilized coal-water slurry .

Process for preparing a stabilized coal-water slurry .

F. temperature, 1000-4000 psig hydrogen partial pressure and coal feed rate of 10-100 lb coal/hr ft.sup.3 reactor volume to produce hydrocarbon gas andmore » The hydrogen and CO.sub.2 are recovered from the reactor effluent gaseous fraction, hydrogen is recycled to the catalytic reactor.