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Thermo-electrochemical production of compressed hydrogen .

Nov 13, 2017 · Morejudo, S. H. et al. Direct conversion of methane to aromatics in a catalytic co-ionic membrane reactor. Science 353, 563–566 (2016). Article Google Scholar

Direct Non‐Oxidative Methane Conversion in a Millisecond .

Mar 18, 2019 · Direct non‐oxidative methane conversion (DNMC) has been recognized as a single‐step technology that directly converts methane into olefins and higher hydrocarbons. High reaction temperature and low catalyst durability, resulting from the endothermic reaction and coke deposition, are two main challenges.

Dry Reforming of Methane Using a Nickel Membrane Reactor

mostly academical: Bosko et al. [7] used a membrane reactor with Pd based membranes with a Rh catalyst at temperatures of up to 500 C. They found an equilibrium shift, which raised methane conversion and hydrogen recovery. Galucci et al. [1] compared dry reforming in a conventional reactor and a membrane reactor with porous and dense Pd membranes.

(PDF) Process, reactor and catalyst design: Towards .

PDF | The Mo/HZSM-5 catalyzed, non-oxidative methane dehydroaromatization reaction provides a promising direct approach for production of benzene as. | Find, read and cite all the research you .

Sabatier reaction - Wikipedia

The Sabatier reaction or Sabatier process was discovered by the French chemists Paul Sabatier and Jean-Baptiste Senderens in 1897. It involves the reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures in the presence of a nickel catalyst to produce methane and water. Optionally, ruthenium on alumina (aluminium oxide) makes a more efficient .

Efficient Conversion of Methane to Aromatics by Coupling .

Jul 20, 2016 · We report that the coupling of methane dehydroaromatization (MDA) and methanol methylation over a Mo/HZSM-5 catalyst can realize the direct conversion of methane to benzene, toluene, and xylene (BTX) with long-time steady state (60 h), higher activity (26.4%), and selectivity of BTX (>90%) at atmospheric pressure and 973 K. Based on characterization, it was confirmed that the .

Reaction-transportsimulationsofnon .

in membrane reactors, andthe balance between CH conversion andH removal rates requiredto achieve thesemaximumC}C yields. Here, we use a detailed kinetic-transport model in order to simulate homogeneous pyrolysis reactions of methane in a membrane reactor. The model includes a kinetic network that extends previous proposals

Features of non-oxidative conversion of methane into .

Features of non-oxidative conversion of methane into aromatic hydrocarbons over Mo-containing zeolite catalysts. A A Stepanov 1, . Turn off MathJax Turn on MathJax. Share this article. Article information. . Borry R W and Iglesia E 2002 Design and optimization of catalysts and membrane reactors for the non-oxidative conversion of methane .

Non-oxidative catalytic conversion of methane with .

transport membrane reactor of dense SrZro.95Yo.0503 thin (10-100 pm) films can be used to . and polynuclear aromatics. [1] Oxidative methane coupling avoids thermodynamic constraints . perovskite structure after oxidation at 1223 K. Powders were pressed into disks (25 mm dia. x 1.5 mm) and densified at 1823 K for 4 h in flowing air. .

Selective conversion of CO 2 and H 2 into aromatics .

Aug 27, 2018 · Catalytic results. CO 2 hydrogenation reactions were conducted over ZnAlO x &H-ZSM-5 under reaction conditions of H 2 /CO 2 /Ar = 3/1/0.2, pressure 3.0 MPa, and 593 K. The effects of space .

Sabatier reaction - Wikipedia

The Sabatier reaction or Sabatier process was discovered by the French chemists Paul Sabatier and Jean-Baptiste Senderens in 1897. It involves the reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures in the presence of a nickel catalyst to produce methane and water. Optionally, ruthenium on alumina (aluminium oxide) makes a more efficient .

Sabatier reaction - Wikipedia

The Sabatier reaction or Sabatier process was discovered by the French chemists Paul Sabatier and Jean-Baptiste Senderens in 1897. It involves the reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures in the presence of a nickel catalyst to produce methane and water. Optionally, ruthenium on alumina (aluminium oxide) makes a more efficient .

Modeling and Design Optimization of Multifunctional .

a multifunctional membrane reactor to push the DMA process into further viability. Multifunctional membrane reactors, in this case, are reactors where two different separations occur using two differently selective membranes, on which no systems studies have been found. The proposed

Catalytic co-aromatization of ethanol and methane(Journal .

The methane activation and following conversion into more valuable fuels and chemicals have thus become more and more attractive, while the introduction of hydrocarbons to enhance the methane activation at mild conditions represents a promising approach. In the present work, the co-aromatization of methane with propylene has been studied at 400 .

Modeling and Design Optimization of Multifunctional .

a multifunctional membrane reactor to push the DMA process into further viability. Multifunctional membrane reactors, in this case, are reactors where two different separations occur using two differently selective membranes, on which no systems studies have been found. The proposed

New reactor could halve carbon dioxide emissions from .

Nov 06, 2019 · New reactor could halve carbon dioxide emissions from ammonia production. By Robert F. Service Nov. 6, 2019, 10:40 AM. To feed more than 7 .

Methanol‐to‐Olefins in a Membrane Reactor with in situ .

without membrane support turns completely black, the SAPO-34 catalyst bed, under in situ water removal through the LTA membrane, shows two sharply separated sections of different colors: A dark brown zone towards the reactor inlet, called Section 1, and a light brown zone in the direction of the reactor outlet, called Section 2.

Cambrian EcoVolt

which biologically coated electrodes in the reactor rapidly convert organic pollutants into electricity and secondary electrodes subsequently convert electricity into methane fuel. The methane produced by EcoVolt is high quality and can be used in a combined heat and power system to generate clean heat and power at a facility.

An Economic and Thermodynamic Evaluation of the .

into fuel gas, naphtha, kerosene, diesel fuel, and heavy oil by steam-distillation. The heavy-oil fraction is recycled to the hydrocracker. Some of the high-pressure steam, which is a byproduct of the Fischer-Tropsch process, is recycled to the ion-membrane reactor and the excess may be used to generate electricity.

WO2014173824A1 - Process for the preparation of benzene .

The present invention relates to a novel process for preparing benzene in a reactor, comprising the steps of: a) heterogeneously catalysed aromatization of methane to benzene and hydrogen; b) combustion of hydrogen and oxygen to give water and/or methane with oxygen to give carbon dioxide; wherein the heterogeneously catalysed aromatization in step a) of methane to give .

Generating Aromatics From CO2 on Mars or Natural Gas on .

The methane is sent to an aromatization reactor, wherein, over a molybdenum-on-zeolite catalyst at a temperature 700 C, it is partially converted into aromatic hydrocarbons (specifically, benzene, toluene, and naphthalene) along with hydrogen. The aromatics are collected by freezing, while unreacted methane and hydrogen are separated by a membrane.

Dry Reforming of Methane Using a Nickel Membrane Reactor

mostly academical: Bosko et al. [7] used a membrane reactor with Pd based membranes with a Rh catalyst at temperatures of up to 500 C. They found an equilibrium shift, which raised methane conversion and hydrogen recovery. Galucci et al. [1] compared dry reforming in a conventional reactor and a membrane reactor with porous and dense Pd membranes.

Gas to liquids - Wikipedia

Gas to liquids (GTL) is a refinery process to convert natural gas or other gaseous hydrocarbons into longer-chain hydrocarbons, such as gasoline or diesel fuel. Methane-rich gases are converted into liquid synthetic fuels.Two general strategies exist: (i) direct partial combustion of methane to methanol and (ii) Fischer–Tropsch-like processes that convert carbon monoxide and hydrogen into .

New Membrane Enables Conversion of Natural Gas to Liquids

Direct activation of methane, the main component of biogas and natural gas, has been a key goal of the hydrocarbon research community for decades. This new process is detailed in the August 5, 2016 edition of Science, in a research paper entitled "Direct conversion of methane to aromatics in a catalytic co-ionic membrane reactor".

New Ceramic Membrane Enables First Direct Conversion Of .

Aug 05, 2016 · This new process is detailed in the August 5, 2016 edition of Science, in a research paper entitled "Direct conversion of methane to aromatics in a catalytic co-ionic membrane reactor."

Dry Reforming of Methane Using a Nickel Membrane Reactor

mostly academical: Bosko et al. [7] used a membrane reactor with Pd based membranes with a Rh catalyst at temperatures of up to 500 C. They found an equilibrium shift, which raised methane conversion and hydrogen recovery. Galucci et al. [1] compared dry reforming in a conventional reactor and a membrane reactor with porous and dense Pd membranes.

Gas to liquids - Wikipedia

Gas to liquids (GTL) is a refinery process to convert natural gas or other gaseous hydrocarbons into longer-chain hydrocarbons, such as gasoline or diesel fuel. Methane-rich gases are converted into liquid synthetic fuels.Two general strategies exist: (i) direct partial combustion of methane to methanol and (ii) Fischer–Tropsch-like processes that convert carbon monoxide and hydrogen into .

Caro group – Institute of Physical Chemistry and .

Conversion of methane in liquid fuels and chemicals is technologically important. An established way is the aromatization of methane according to 6 CH 4 ® C 6 H 6 + 9 H 2 at T>800°C. However, the so far obtained yield is far below 10 %. The problem can be solved by membrane reactors.

"Palladium Membrane Technology for Hydrogen Production .

The book is divided into two parts, namely: (a) Pd membrane fabrication and reactor design (Chapters 2 to 9) and (b) potential application of Pd membranes in industrial processes (Chapters 10 to 16). Chapter 1, by K. Atsonios (National Technical University of Athens and Centre for Research and Technology Hellas, Greece) et al., gives a very .

Generating Aromatics From CO2 on Mars or Natural Gas on .

The methane is sent to an aromatization reactor, wherein, over a molybdenum-on-zeolite catalyst at a temperature 700 C, it is partially converted into aromatic hydrocarbons (specifically, benzene, toluene, and naphthalene) along with hydrogen. The aromatics are collected by freezing, while unreacted methane and hydrogen are separated by a membrane.