Process for producing (meth)acrylic acid
AssigneeNippon Shokubai Co., Ltd.
InventorsMichio Tanimoto, Hiroto Kasuga
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Abstract
The present invention produces (meth)acrylic acid in a high yield in a process for producing (meth)acrylic acid by subjecting at least one member selected from the group consisting of (meth)acrolein, propane, and isobutane to catalytic gas phase oxidation with molecular oxygen or a molecular-oxygen-containing gas. In addition, the present invention makes it possible to produce (meth)acrylic acid in a high yield and stably for a long time. The present invention provides a process for producing (meth)acrylic acid by catalytic gas phase oxidation reaction, which is characterized by allowing a reaction gas to contain a reducible compound.
Claims5
A process for producing (meth)acrylic acid by catalytic gas phase oxidation reaction, wherein a reaction gas is allowed to contain a sulfur-containing compound, wherein at least one member selected from the group consisting of (meth)acrolein, propane, and isobutane is subjected to the catalytic gas phase oxidation with molecular oxygen, and wherein the sulfur-containing compound is sulfur dioxide or hydrogen sulfide.
A process for producing (meth)acrylic acid by catalytic gas phase oxidation reaction, wherein a reaction gas is allowed to contain a sulfur-containing compound, wherein at least one member selected from the group consisting of (meth)acrolein, propane, and isobutane is subjected to the catalytic gas phase oxidation with a gas containing a sufficient amount of molecular oxygen for the catalytic gas phase oxidation, and wherein the sulfur-containing compound is sulfur dioxide or hydrogen sulfide.
Dependencies are inferred from the claim text.