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JP5051898B2 |
A process for producing phenol and methyl ethyl ketone comprises contacting benzene with a C4 alkylating agent under alkylation conditions with catalyst comprising zeolite beta or a molecular sieve having an X-ray diffraction pattern inc...
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JP5045175B2 |
Unsaturated aldehyde and/or unsaturated carboxylic acid are produced with excellent transform rate and satisfactory yield rate by catalysis gas phase oxidization of at least one compound selected from the group consisting of propylene, i...
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JP5041354B2 |
A process for producing phenol and acetone from cumene hydroperoxide comprises:i) introducing a cumene hydroperoxide feed into a reactive distillation column comprising at its upper portion a distillation column and at its lower portion ...
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JP5041811B2 |
CO2 emissions from Gas-to-Liquids (GTL) facilities such as, for example, Fischer-Tropsch facilities, are minimized by using recovered hydrogen as a fuel in at least one furnace in the GTL facility. A process for manufacturing hydrocarbon...
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JP2012184189A |
To provide a method for stably recovering in a high yield 6,6'-(ethylenedioxy)di-2-naphthoic acid from a polyester composition including as principal components the acid and other dicarboxylic acid components.A polyester composition incl...
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JP5036000B2 |
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JP5031946B2 |
In a process for the catalytic gas-phase oxidation of propene to acrolein, the reaction gas starting mixture is passed with a propene loading of >=160 l(S.T.P.)/l.h over a fixed-bed catalyst which is housed in two spatially successive re...
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JP5032015B2 |
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JP5030438B2 |
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JP5030320B2 |
To provide a biomass-gasifying furnace capable of carrying out a clean and highly efficient gasification by effectively utilizing biomass, and further to provide a gasification system by utilizing the furnace. This biomass-gasifying syst...
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JP2012176938A |
To provide a method for safely and stably producing acrolein and acrylic acid, or methacrolein and methacrylic acid at a high yield by preventing occurrence of an abnormal reaction due to considerable temperature rise on the material gas...
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JP2012520328A |
The method of reacting the compounds can include directing the liquid into a spiral constrained flow (37) with an inner and outer flow planes. A spiral constrained flow (37) can be formed around an axial internal volume (38). At least a ...
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JP5021116B2 |
The invention relates to a method for producing acrylic acid or an acrylic acid ester, comprising step A, optionally, step B and optionally, step C as follows: A. cooling a gaseous reaction mixture formed during the gas phase oxidation p...
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JP5021139B2 |
In a process for the preparation of acrolein or acrylic acid or a mixture thereof from propane, the propane is subjected, in a first reaction stage, to a partial dehydrogenation under heterogeneous catalysis to give propene, of the compo...
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JP5021467B2 |
Disclosed is a method for producing acrolein, acrylic acid, or a mixture thereof by means of heterogeneously catalyzed partial gas phase oxidation of propylene. According to said method, the initial reaction gas mixture contains 6 to 9 p...
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JP5021140B2 |
Acrolein and acrylic acid are produced from propane and propene by absorption/desorption of propane and propene from a gas mixture followed by oxidation, in which no heterogeneously catalyzed dehydrogenation of propane occurs between the...
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JP2012158541A |
To provide a method for sufficiently suppressing the temperature in a hot spot in the production of an unsaturated aldehyde and/or an unsaturated carboxylic acid by a gas-phase catalytic oxidation reaction.The method for producing an uns...
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JP5001543B2 |
The present invention provides: a palladium-containing supported catalyst which is used for producing an α,β-unsaturated carboxylic acid from an olefin or an α,β-unsaturated aldehyde in high selectivity; a method for manufacturing th...
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JP5000043B2 |
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JP2012148252A |
To provide the development of various catalytic reactions by hemicryptophane-metal complex and that of industrially practicable catalytic reaction forms based on an inexpensive catalyst preparation method.There are provided (1) hemicrypt...
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JP4995373B2 |
In producing a catalyst used for synthesis of an unsaturated aldehyde and an unsaturated carboxylic acid by a gas-phase catalytic oxidation, there is used a step of packing an additive-containing catalyst precursor of the catalyst into a...
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JP4997671B2 |
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JP4995718B2 |
A method for producing an unsaturated aldehyde and an unsaturated carboxylic acid through gas-phase catalytic oxidation of propylene, isobutylene or tertiary butanol, which is a raw material, with molecular oxygen in the presence of a ca...
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JP4989038B2 |
A process for preparing a cobalt-based Fischer-Tropsch synthesis catalyst includes introducing a soluble modifying component precursor of the formula Mc(OR)x, where Mc is a modifying component selected from the group comprising Si, Ti, C...
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JP4986866B2 |
It is an object of the present invention to provide a specific apparatus and process for industrially producing a high-purity diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials. More specifically,...
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JP4984940B2 |
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JP4986867B2 |
It is an object of the present invention to provide a specific apparatus and process for industrially producing a high-purity diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials. Moreover, it is an...
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JP4970986B2 |
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JP2012126728A |
To provide a method of synthesizing and reacting compounds in a cyclone reactor (10).A liquid carrier can be provided which can include catalyst particles, liquid catalysts, and/or liquid reactants. The liquid carrier can be formed into ...
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JP2012126689A |
To provide a method for producing a fluorinated adamantane derivative which is useful as a synthetic intermediate of medicine and agricultural chemical.The method for producing the fluorinated adamantane derivative represented by formula...
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JP4970120B2 |
To provide a method for easily depositing a nano-ordered gold fine particle or gold cluster on a carrier in a short time regardless of the material of the carrier. A sublimable gold precursor (a dimethyl-gold-acetylacetonate complex, a d...
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JP4969826B2 |
Preparation of high purity L-iditol (A) comprises: subjecting a syrup of L-iditol and L-sorbose mixture to a chromatographic treatment to obtain at least two fractions (in which one is strongly enriched in L-iditol (X1 fraction) (I) and ...
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JP4963112B2 |
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JP4963030B2 |
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JP2012116852A |
To provide a process for production of ketones and aldehydes in which β-hydroxyhydroperoxides are processed with specific compounds.General formula (2) (wherein, R1, R2, and R3 are the same or different and each independently denote an ...
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JP2012116846A |
To provide a method for producing an α,β-unsaturated aldehyde and/or an α,β-unsaturated carboxylic acid in a liquid phase and from an alcohol with a simple process.The method for producing an α,β-unsaturated aldehyde and/or an α,Î...
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JP4956543B2 |
A process for preparing acrolein or acrylic acid or a mixture thereof from propane, in which propane is dehydrogenated under heterogeneous catalysis in a reaction zone A and the propylene formed is partially oxidized heterogeneously in a...
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JP4956544B2 |
Stable continuous process for the preparation of acrolein and/or acrylic acid from propane comprises heterogeneously catalyzed dehydrogenation of a propane to obtain a product gas mixture A; optionally introducing the mixture A into a fi...
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JP2012111693A |
To provide a catalyst with which an oxygenated compound can be synthesized with high selectivity by a catalytic reaction using a synthetic gas as a raw material, and to provide a synthesis method of an oxygenated compound using the catal...
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JP4950986B2 |
The present invention relates to a method for producing methacrolein and/or methacrylic acid characterized in that the catalyst filling length of a dehydration catalyst layer is 3 to 20% of the catalyst filling length of an oxidation cat...
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JP4947756B2 |
To provide a catalyst for producing unsaturated aldehyde and unsaturated carboxylic acid in high yield by catalytically oxidizing propylene, isobutylene, tertiary butyl alcohol or methyl-tertiary butyl ether in a vapor phase by using mol...
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JP2012512225A |
The invention is directed to a method for preparing a mixture comprising cyclohexanol and cyclohexanone. In accordance with the invention a mixture comprising cyclohexanol and cyclohexanone is prepared in a molar cyclohexanone/cyclohexan...
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JP4944344B2 |
The invention relates to a novel process for the preparation of certain cyclopropyl carboxylic acid esters and other cyclopropyl carboxylic acid derivatives; to the use of certain cyclopropyl carboxylic acid esters in a process for the p...
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JP4942645B2 |
A method oxidizes an organic compound with oxygen in the presence of a catalyst, in which the catalyst contains a N-hydroxy- or N-(substituted oxy)-imide compound derivable from at least one selected from a target product, a reaction int...
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JP4940703B2 |
To produce a cycloalkanol and/or a cycloalkanone in good selectivity by oxidizing a cycloalkane with oxygen in good conversion. The production method involves oxidizing the cycloalkane with the oxygen in the presence of a catalyst obtain...
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JP4937521B2 |
To provide terephthalic acid and ethylene glycol which are decomposition products in high purity by efficiently removing foreign materials even from polyethylene terephthalate products and/or wastes containing a metal derived from an est...
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JP4937140B2 |
It is an object of the present invention, when producing a dialkyl carbonate and a diol industrially in a large amount (e.g. not less than 2 ton / hr for the dialkyl carbonate and not less than 1.3 ton / hr for the diol) through a reacti...
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JP4933011B2 |
A process is described for the co-production of maleic anhydride and at least one C4 compound selected from butane-1,4-diol, gamma -butyrolactone, and tetrahydrofuran in which maleic anhydride is produced by partial oxidation of a C4 hyd...
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JP4933037B2 |
A process is described for the co-production of maleic anhydride and at least one C4 compound selected from butane-1,4-diol, gamma -butyrolactone, and tetrahydrofuran in which maleic anhydride is produced by partial oxidation of a C4 hyd...
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JP4927289B2 |
Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic solvent system) is supplemented with a compres...
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