Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.

Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.

Provided are: novel zeolite having an extremely small amount of specific Bronsted acid sites on the surface thereof, which is expected to be useful as a catalyst for the aromatization of a non-aromatic hydrocarbon typified by an aliphatic hydrocarbon; and a catalyst for use in the production of an aromatic hydrocarbon, which comprises the zeolite. Zeolite characterized by satisfying the following requirements (i) to (iii). (i) The zeolite has an average particle diameter of 100 nm or less. (ii) The zeolite is 10-membered ring microporous zeolite. (iii) The amount of the Bronsted acid sites on the outer surface of the zeolite is 0.1 to 10.0 μmol/g.

Provided is a technology for efficiently manufacturing 1,3-butadiene from 1,4-butanediol or 3-buten-1-ol in a reaction condition with a high conversion rate. A catalyst for manufacturing 1,3-butadiene, contains: ytterbium oxide as an active component for generating 1,3-butadiene from 1,4-butanediol or 3-buten-1-ol. In addition, a manufacturing method of 1,3-butadiene, includes: a step of obtaining a fluid containing 1,3-butadiene by bringing at least one of 1,4-butanediol and 3-buten-1-ol into contact with the catalyst for manufacturing 1,3-butadiene.

A method for producing a phosphate diester or a phosphate triester is provided in which the phosphate diester or the phosphate triester can be produced from phosphoric acid and a hydroxy compound. Phosphoric acid and a phenol, which is used in excess with respect to the phosphoric acid, are subjected to dehydrating condensation with heating and refluxing. Water released during this dehydrating condensation is adsorbed onto a dehydrating material, which is an adsorbent derived from concrete sludge, disposed somewhere in the refluxing channel, thereby producing a phosphate diester or a phosphate triester.

The problem addressed by this invention is to achieve a useful and novel method for producing dicyanocyclohexane and bis(aminomethyl)cyclohexane. This problem was solved by providing a method for producing dicyanocyclohexane having a cyanation step in which dicyanocyclohexane is obtained by a cyanation reaction of cyanocyclohexane-1-carboxylic acid and/or a salt thereof with an ammonia source, and a method for producing bis(aminomethyl)cyclohexane using the dicyanocyclohexane thus produced.

The present invention provides a method for producing an oxide catalyst containing antimony, comprising a step (A) of obtaining the oxide catalyst using antimony particles containing a diantimony trioxide as a source of the antimony, wherein an abundance of a pentavalent antimony in a surface layer of the antimony particle to be measured in XPS analysis is less than 70 atom %, and the antimony particle has an average particle size of 1.2 μm or less.

A method is described for producing a catalyst having a high raw material conversion rate and a high product selectivity, as well as an excellent yield of unsaturated carboxylic acid, the catalyst being used in a vapor-phase catalytic oxidation reaction for producing an unsaturated carboxylic acid such as acrylic acid or methacrolein from an unsaturated aldehyde such as acrolein or methacrolein. The method includes a molding process of molding a powder containing a catalyst component element to produce a catalyst precursor, where a sulfur-containing inorganic compound is added to the powder, and the powder is molded in the molding process.

The present invention provides a method for producing 1,3-butadiene that is capable of suppressing generation of reaction by-products. The method includes: a step (A) of to obtain a produced gas containing 1,3-butadiene; a step (B) of cooling the produced gas; and a step (C) of separating the produced gas cooled in the step (B) into molecular oxygen and inert gases, and other gases containing 1,3-butadiene, by selective absorption into an absorption solvent. In the method, in the step (A), the raw material gas and a molecular oxygen-containing gas are supplied to a fixed-bed reactor with a composite oxide catalyst containing molybdenum and bismuth; the molar ratio of molecular oxygen to n-butene in the gases is 1.0 to 2.0; and the molar ratio of water vapor to n-butene in the gases supplied to the fixed-bed reactor is not more than 1.2.

A mixture of an organosilicon compound represented by average structural formula (2), wherein the area percentage occupied by an organic compound represented by structural formula (1) in GPC is from 5% to 95%, provides a rubber composition which exhibits excellent dispersibility of an inorganic filler and enables the achievement of a crosslinked cured product that has improved wear resistance, rolling resistance and wet grip performance. This rubber composition enables the achievement of a desired low fuel consumption tire.

(R.sup.1O).sub.3-p(R.sup.2O).sub.pSi—(CH.sub.2).sub.j—S.sub.y—(CH.sub.2).sub.k—Si(OR.sup.2).sub.q(OR).sub.3-q  (2):

(In the formula, R.sup.1 represents an alkyl group having from 1 to 3 carbon atoms; R.sup.2 represents an alkyl group having from 4 to 8 carbon atoms; p represents a number from 0 to 3; q represents a number from 0 to 3; j represents a number from 1 to 10; k represents a number from 1 to 10; and y represents a number from 2 to 8.)

(R.sup.1O).sub.3-m(R.sup.2O).sub.mSi—(CH.sub.2).sub.h—S.sub.x—(CH.sub.2).sub.i—Si(OR.sup.2).sub.n(OR.sub.1).sub.3-n  (1):

(In the formula, R.sup.1 and R.sup.2 are as defined above; m represents an integer from 0 to 3; n represents an integer from 0 to 3; h represents an integer from 1 to 10; i represents an integer from 1 to 10; x represents an integer from 2 to 8; and (m+n) represents an integer from 3 to 6.)