Conversion of methane and carbon dioxide using catalytic membranes
| AUTHOR | Fedotov-A |
| PUBLISHER | Omniscriptum (02/28/2018) |
| PRODUCT TYPE | Paperback (Paperback) |
Description
This study reports the development of a new process to convert methane and carbon dioxide into syngas from non-oil resources. The process uses membrane catalytic systems (MCS) that support heterogeneous catalytic reactions in gaseous phase in membrane channels. An active surface of the catalysts formed inside the micro- channels is low in term of area, but it is characterized by a high value of the catalyst surface/volume ratio, which induces a high efficiency of heterogeneous catalysis. Such MCS, having 10⌃8 pores per cm2 of surface, can be considered as a set of nano reactors. MCS are formed from alkoxy derivatives and precursor metal complex containing between 0.008 and 0.055% by weight of nano- components mono-and bimetallic active distributed evenly in the channels. For systems La-Ce/Ni-Al and Pd-Mn/Ni-Al, productivities of 10500 and 7500 l/h∙dm3 were respectively obtained at 650 C with a composition of syngas H2/СО ranging from 0.63 to 1.25 and a conversion rate of 50% with a CH4/СО2 (1/1) feed. Thus MCS is an order of magnitude more efficient than a fixed bed reactor of the same catalyst. A catalytic synergy has been demonstrated for the system Pd-Mn.
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Product Format
Product Details
ISBN-13:
9786131574863
ISBN-10:
6131574863
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
French
More Product Details
Page Count:
72
Carton Quantity:
110
Product Dimensions:
6.00 x 0.17 x 9.00 inches
Weight:
0.26 pound(s)
Country of Origin:
FR
Subject Information
BISAC Categories
Science | Chemistry - Organic
Science | General
Descriptions, Reviews, Etc.
publisher marketing
This study reports the development of a new process to convert methane and carbon dioxide into syngas from non-oil resources. The process uses membrane catalytic systems (MCS) that support heterogeneous catalytic reactions in gaseous phase in membrane channels. An active surface of the catalysts formed inside the micro- channels is low in term of area, but it is characterized by a high value of the catalyst surface/volume ratio, which induces a high efficiency of heterogeneous catalysis. Such MCS, having 10⌃8 pores per cm2 of surface, can be considered as a set of nano reactors. MCS are formed from alkoxy derivatives and precursor metal complex containing between 0.008 and 0.055% by weight of nano- components mono-and bimetallic active distributed evenly in the channels. For systems La-Ce/Ni-Al and Pd-Mn/Ni-Al, productivities of 10500 and 7500 l/h∙dm3 were respectively obtained at 650 C with a composition of syngas H2/СО ranging from 0.63 to 1.25 and a conversion rate of 50% with a CH4/СО2 (1/1) feed. Thus MCS is an order of magnitude more efficient than a fixed bed reactor of the same catalyst. A catalytic synergy has been demonstrated for the system Pd-Mn.
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