Industrial Technology Research Institute

Chinese Petroleum Corporation

Acelon Chemicals and Fiber Corporation

Acelon Chemicals and Fibers Corporation

Hsi-Yen Hsu

Ching-Tang Lin

Kuo-Ching Wu

Shiao-Jung Chu

Man-Yin Lo

Yu-Shan Chao

Chao-Huang Chen

Yuan-Peng Du

Pine-Sci Kuo

Yen-Chih Chen

Ruey-Fu Shih

Chiou-Hwang Lee

Ying-Chieh Lee

Chu-Chang Dai

Chih-Yao Yang

Hsu-Kai Chang

Shu-Hua Chan

Guang-Way Jang

Jinn-Jong Wong

Pei-Ching Chang

Hsiang-Yuan Chu

Ya-Lin Lin

Jhong-De Lin

Li Duan Tsai

J H Tsai

Jyun-Da Wu

Chion-Hwang Lee

Yan Zhi Chen

Yu Min Peng

Yi-Chang Liu

Yi-Yun Lin

Chu-Ching Dai

Kwang-Chic Lai

A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO), the shell includes zirconium dioxide (ZrO), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

Catalyst for methanation reaction and method for preparing methane

A method for selectively chemically reducing COto form CO includes providing a catalyst, and contacting Hand COwith the catalyst to chemically reduce COto form CO. The catalyst includes a metal oxide having a chemical formula of FeCoMnO, in which 0.7≤x≤0.95, 0.01≤y≤0.25, and z is an oxidation coordination number.

Catalyst for selectively chemically reducing COto form CO

A method for selectively chemically reducing COto form CO includes providing a catalyst, and contacting Hand COwith the catalyst to chemically reduce COto form CO. The catalyst includes a metal oxide having a chemical formula of FeCoMnO, in which 0.7&#x2264;x&#x2264;0.95, 0.01&#x2264;y&#x2264;0.25, and z is an oxidation coordination number.

Method for selectively chemically reducing COto form CO

A method of forming dialkyl carbonate is provided, which includes introducing carbon dioxide into a catalyst to form dialkyl carbonate, wherein the catalyst is formed by activating a catalyst precursor using alcohol, wherein alcohol is R&#x2014;OH, and Ris Calkyl group or Caryl or heteroaryl group. The catalyst precursor is formed by reacting Sn(R)(L)and Ti(OR), and Sn(R)(L)and Ti(OR)have a molar ratio of 1:2 to 2:1. Ris Calkyl group, Ris H or Calkyl group, and L is O&#x2014;(C&#x2550;O)&#x2014;R, and Ris Calkyl group. The dialkyl carbonate is 

Catalyst precursor

Catalyst and precursor thereof and method of forming dialkyl carbonate

A method for preparing dialkyl carbonate is provided. The preparation method includes the following steps. An alcohol compound, carbon dioxide and a catalyst are mixed to form a mixing solution. Organic acid is added to the mixing solution to carry out a synthesis reaction of dialkyl carbonate. The alcohol compound includes methanol, ethanol, propanol or butanol. The catalyst includes cerium oxide, zirconium oxide, titanium oxide, lanthanum oxide or a combination thereof. The organic acid includes formic acid, acetic acid, propionic acid, butyric acid, valeric acid or a combination thereof.

Method for preparing dialkyl carbonate

Catalyst for hydrogenation of 1,3-cyclobutanediketone compound is provided, which includes a support and VIIIB group transition metal loaded thereon. The support includes a first oxide powder with a surface wrapped by a second oxide. The first oxide includes silicon oxide, aluminum oxide, zirconium oxide, titanium oxide, zinc oxide, or a combination thereof. The second oxide has a composition of MAlO, M is alkaline earth metal, and x is from 0.3 to 0.7.

Catalyst and method for hydrogenation of 1,3-cyclobutanediketone compound

A genetic engineered bacteria without or comprising a plurality of important metabolic enzyme related genes is provided. When the by-product or waste of fruit and vegetable is used as the culture medium, a large quantity of succinic acid or lactic acid can be produced via fermentation. A method of producing succinic acid and lactic acid using the genetic engineered bacteria is also provided.

Genetic engineered bacteria and methods for promoting production of succinic acid or lactic acid

Disclosed is a catalyst for hydrogenation of 4,4'-methylenedianiline (MDA), including a support, a magnesium-aluminum oxide layer covering the support, and a rhodium-ruthenium active layer loaded on the magnesium-aluminum oxide layer, wherein the rhodium and the ruthenium of the rhodium-ruthenium active layer have a weight ratio of 40:60 to 10:90. The hydrogenation catalyst can be collocated with hydrogen for hydrogenation of the MDA to form bis(para-amino cyclohexyl) methane (PACM), and the PACM contains 0 mol % to 25 mol % of (t,t)-isomer.

Catalyst and method for hydrogenation of 4,4'-methylenedianiline

Method for preparing 2,5-furan dicarboxylic acid is provided, which includes contacting a furan composition with an oxidant in the presence of a catalyst system. The furan composition includes a first compound and a second compound. The first compound is a compound of Formula 1: In Formula 1, Ris Calkyl group. The second compound is a compound of Formula 2, a compound of formula 3, a compound of Formula 4, a compound of Formula 5, or combinations thereof.    In Formula 3, Ris Calkyl group. The 2,5-furan dicarboxylic acid is a compound of Formula 6. 

Method for preparing 2,5-furan dicarboxylic acid

A method of preparing furfural compounds and a mixture for preparing the same are disclosed. First, a solution is prepared by mixing an organic ammonium salt and a hydroxyl organic solvent. Then, a carbohydrate is mixed with the solution to form a mixture. The mixture is heated to a reaction temperature for conversion of the carbohydrate to produce the furfural compounds.

Preparation of furfural compounds, and mixture for preparing the same

The disclosure provides a process for hydrogenation of polycarboxylic acids or derivatives thereof, including: hydrogenation of polycarboxylic acids or derivatives thereof in the presence of a catalyst, wherein the catalyst includes an active metal and a support, the support includes a Group IIA element and a Group IIIA element, and the active metal includes a Group VIIIB element.

Process for hydrogenation of polycarboxylic acids or derivatives therof

In an embodiment of the invention, an apparatus for preparing hydroxymethylfurfural (HMF) is provided. The apparatus includes a reaction area including a first organic layer including sugar and a solvent and a second organic layer including a solvent mixture with azeotropy and extractability, a boiling area including a mixing solution formed by the hydroxymethylfurfural and the solvent mixture, connected with the reaction area, and a distilling area including water and a liquid layer including the solvent mixture, connected to the reaction area. In another embodiment of the invention, a method for preparing hydroxymethylfurfural (HMF) is provided.

Method and apparatus for preparing hydroxymethylfurfural

The disclosure provides a method for preparing the citraconic anhydride and a method for isomerizing/dehydrating itaconic acid. The method for preparing the citraconic anhydride includes the following steps: providing itaconic acid as a starting material; and subjecting the itaconic acid to an isomerization/dehydration reaction in the presence of a catalyst to obtain the citraconic anhydride, wherein the catalyst includes a heteropolyacid or heteropolyacid salt.

Method for preparing the citraconic anhydride and method for isomerizing/dehydrating itaconic acid

The invention provides a method for manufacturing a highly dispersed carbon supported metal catalyst, including charging a carbon support and a dispersing agent in water. The carbon support is evenly dispersed in water with an average diameter of 10 nm to 2000 nm and a specific surface area of 50 m/g to 1500 m/g. A metal salt of Pd, Pt, or combinations thereof is formed on the carbon support surface and then reduced to a valance state less than (IV).

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Hsinchu, Taiwan

Hsi-Yen Hsu