Abstract: The present invention provides the method for preparing a catalyst including the following steps 1 and 2, and the method for producing an alcohol including preparing a catalyst by the method and subjecting a carboxylic acid or a carboxylic acid ester to catalytic reduction with hydrogen in the presence of the prepared catalyst: step 1: immersing a molded precursor of a catalyst containing metal oxide in a solvent, step 2: supplying hydrogen gas or a mixture of hydrogen gas with an inert gas to a catalyst layer in the presence of a solvent to reduce the catalyst precursor prepared in the step 1.

Abstract: The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a good selectivity and a high yield, as well as hydrogenolysis catalysts used in the production process. The present invention provides (1) a process for producing a hydrogenolysis product of a polyhydric alcohol which includes the step of reacting the polyhydric alcohol with hydrogen in the presence of a catalyst containing a copper component, wherein the catalyst is a catalyst (A) containing the copper component, an iron component and an aluminum component, or a catalyst (B) containing the copper component and a silicon component; and (2) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component, an iron component and an aluminum component, and (3) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component and a silicon component.

Abstract: The present invention provides a catalyst for producing alcohols from carboxylic acids by hydrogenation, containing Co metal as an essential component and one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, V and Mo as a first co-catalyst component, and having 20% or more of cubic phase in the crystal phase of the Co metal, the method for producing the catalyst, and the method for producing an alcohol from a carboxylic acid as a raw material by hydrogenation using the catalyst.

Abstract: The present invention relates to a process for producing a hydrogenolysis product of a polyhydric alcohol in the presence of a catalyst in which a conversion rate of the polyhydric alcohol as well as a selectivity to the hydrogenolysis product, in particular, a selectivity of glycerol to propanediols, can be enhanced. The process for producing a hydrogenolysis product of a polyhydric alcohol according to the present invention includes the step of subjecting a polyhydric alcohol solution having a water content of less than 10% by mass to hydrogenolysis by a fixed-bed continuous liquid phase reaction method in the presence of a hydrogenolysis catalyst.

Abstract: The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a good selectivity and a high yield, as well as hydrogenolysis catalysts used in the production process. The present invention provides (1) a process for producing a hydrogenolysis product of a polyhydric alcohol which includes the step of reacting the polyhydric alcohol with hydrogen in the presence of a catalyst containing a copper component, wherein the catalyst is a catalyst (A) containing the copper component, an iron component and an aluminum component, or a catalyst (B) containing the copper component and a silicon component; and (2) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component, an iron component and an aluminum component, and (3) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component and a silicon component.

Abstract: The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a good selectivity and a high yield, as well as hydrogenolysis catalysts used in the production process. The present invention provides (1) a process for producing a hydrogenolysis product of a polyhydric alcohol which includes the step of reacting the polyhydric alcohol with hydrogen in the presence of a catalyst containing a copper component, wherein the catalyst is a catalyst (A) containing the copper component, an iron component and an aluminum component, or a catalyst (B) containing the copper component and a silicon component; and (2) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component, an iron component and an aluminum component, and (3) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component and a silicon component.

Abstract: The present invention provides a process for producing an olefin from a carboxylic acid having a ?-hydrogen atom or a derivative thereof using the compound containing iodine and at least one metal elements selected from the group consisting of Groups 6, 7, 8, 9, 10 and 11 metals as a catalyst.

Abstract: The present invention provides the method for preparing a catalyst including the following steps 1 and 2, and the method for producing an alcohol including preparing a catalyst by the method and subjecting a carboxylic acid or a carboxylic acid ester to catalytic reduction with hydrogen in the presence of the prepared catalyst: step 1: immersing a molded precursor of a catalyst containing metal oxide in a solvent, step 2: supplying hydrogen gas or a mixture of hydrogen gas with an inert gas to a catalyst layer in the presence of a solvent to reduce the catalyst precursor prepared in the step 1.

Abstract: The present invention relates to a process for producing a hydrogenolysis product of a polyhydric alcohol in the presence of a catalyst in which a conversion rate of the polyhydric alcohol as well as a selectivity to the hydrogenolysis product, in particular, a selectivity of glycerol to propanediols, can be enhanced. The process for producing a hydrogenolysis product of a polyhydric alcohol according to the present invention includes the step of subjecting a polyhydric alcohol solution having a water content of less than 10% by mass to hydrogenolysis by a fixed-bed continuous liquid phase reaction method in the presence of a hydrogenolysis catalyst.

Abstract: The present invention relates to a method of producing a fatty acid ester, including treating a starting fatty acid ester with an adsorbent to adsorb sulfur contained in the starting fatty acid ester, the adsorbent containing at least one metal selected from Ni and Cu in an amount of 10 to 85 percent by weight as a metal oxide(s) thereof per all the adsorbent, having a pore volume having a pore diameter range from 20 to 200 nm within 0.15 to 1.0 mL/g and then a method of producing an alcohol, including hydrogenating a fatty acid ester obtained by the above shown method of producing a fatty acid ester.

Abstract: The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a good selectivity and a high yield, as well as hydrogenolysis catalysts used in the production process. The present invention provides (1) a process for producing a hydrogenolysis product of a polyhydric alcohol which includes the step of reacting the polyhydric alcohol with hydrogen in the presence of a catalyst containing a copper component, wherein the catalyst is a catalyst (A) containing the copper component, an iron component and an aluminum component, or a catalyst (B) containing the copper component and a silicon component; and (2) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component, an iron component and an aluminum component, and (3) a hydrogenolysis catalyst for polyhydric alcohols which includes a copper component and a silicon component.

Abstract: The present invention provides a catalyst for producing alcohols from carboxylic acids by hydrogenation, containing Co metal as an essential component and one or more elements selected from Zr, Y, La, Ce, Si, Al, Sc, V and Mo as a first co-catalyst component, and having 20% or more of cubic phase in the crystal phase of the Co metal, the method for producing the catalyst, and the method for producing an alcohol from a carboxylic acid as a raw material by hydrogenation using the catalyst.

Abstract: The present invention relates to a method of producing a fatty acid ester, including treating a starting fatty acid ester with an adsorbent to adsorb sulfur contained in the starting fatty acid ester, the adsorbent containing at least one metal selected from Ni and Cu in an amount of 10 to 85 percent by weight as a metal oxide(s) thereof per all the adsorbent, having a pore volume having a pore diameter range from 20 to 200 nm within 0.15 to 1.0 mL/g and then a method of producing an alcohol, including hydrogenating a fatty acid ester obtained by the above shown method of producing a fatty acid ester.

Abstract: The present invention provides a process for producing lower alkyl fatty esters from fatty acids and lower alcohols, wherein lower alkyl fatty esters are produced in higher yield with a reduction in the amount of the remaining fatty acids. The process of the present invention comprises bringing fatty acids into contact with gaseous lower alcohols in fixed bed(s) charged with a weakly acidic solid catalyst by countercurrent operation, by co-current operation and subsequent countercurrent operation or by pseudo-countercurrent operation, thus feeding and reacting the fatty acids and lower alcohols in fixed-bed reactor(s) charged with a weakly acidic solid catalyst to produce lower alkyl fatty esters.

Abstract: The present invention provides a process for producing hydroxycarboxylic acid esters easily, further at a high reaction selectivity, by using an inexpensive catalyst. That is, the present invention provides a process for producing hydroxycarboxylic acid esters, which comprises hydrogenating dicarboxylic acid diesters having 3 to 20 carbon atoms in the dicarboxylic acid moiety in the presence of a copper catalyst comprising 1 to 40% by weight of copper as copper oxides.

Abstract: The present invention provides a heterogeneous catalyst which is highly active, excellent in selectivity and free from elution of its catalyst-components during reaction and which has long lifetime. That is, a phosphate of a metal selected from the group consisting of aluminum, gallium and iron is used as the catalyst for transesterification of the present invention.

Abstract: The present invention provides a process for producing lower alkyl fatty esters from fatty acids and lower alcohols, wherein lower alkyl fatty esters are produced in higher yield with a reduction in the amount of the remaining fatty acids. The process of the present invention comprises bringing fatty acids into contact with gaseous lower alcohols in fixed bed(s) charged with a weakly acidic solid catalyst by countercurrent operation, by co-current operation and subsequent countercurrent operation or by pseudo-countercurrent operation, thus feeding and reacting the fatty acids and lower alcohols in fixed-bed reactor(s) charged with a weakly acidic solid catalyst to produce lower alkyl fatty esters.

Abstract: The present invention provides a solid acid catalyst developing high activity and exhibiting high durability in various organic reactions. That is, the present invention provides a solid acid catalyst having the structure (A) in which a hydrogen atom is eliminated from at least one of OH groups contained in an inorganic phosphorus acid, the structure (B) in which a hydrogen atom is eliminated from at least one of OH groups contained in an organic phosphorus acid represented by the formula (1) or (2) and at least one metal atom (C) selected from aluminum, gallium and iron and a method for producing an ester, a ketal or an acetal by using the solid acid catalyst; wherein each of —R1 and —R2 is selected from —R, —OR, —OH and —H in which at least one of —R1 and —R2 is —R or —OR, given that —R is an organic group having 1-22 carbon atoms.

Abstract: The present invention provides a process for producing hydroxycarboxylic acid esters easily, further at a high reaction selectivity, by using an inexpensive catalyst. That is, the present invention provides a process for producing hydroxycarboxylic acid esters, which comprises hydrogenating dicarboxylic acid diesters having 3 to 20 carbon atoms in the dicarboxylic acid moiety in the presence of a copper catalyst comprising 1 to 40% by weight of copper as copper oxides.

Abstract: The present invention provides a heterogeneous catalyst which is highly active, excellent in selectivity and free from elution of its catalyst-components during reaction and which has long lifetime. That is, a phosphate of a metal selected from the group consisting of aluminum, gallium and iron is used as the catalyst for transesterification of the present invention.