Multi-metal oxide catalyst and method for producing (meth)acrylic acid by using the same
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United States of America Patent
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May 17, 2011
Grant Date -
Nov 26, 2009
app pub date -
Jul 19, 2007
filing date -
Jul 27, 2006
priority date (Note) -
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Abstract
The present invention provides a Mo—Bi—Nb based composite metal oxide (with the proviso that Te is not included); a method for producing (meth)acrylic acid from at least one reactant selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, in which a Mo—Bi—Nb based composite metal oxide (with the proviso that Te is not included) is used as a catalyst; and a reactor used for producing (meth)acrylic acid from at least one reactant selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, in which a Mo—Bi—Nb based composite metal oxide (with the proviso that Te is not included) is used as a catalyst. Further, the present invention provides a method for producing (meth)acrylic acid from at least one reactant selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether by using a Mo—Bi—Nb based composite metal oxide as a catalyst, without any additional process of convening (meth)acrolein into (meth)acrylic acid.
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