Abstract: The present invention provides a method for producing a fluorine-containing alkane, which comprises reacting at least one fluorine-containing compound selected from the group consisting of chlorine-containing fluoroalkanes and fluorine-containing alkenes with hydrogen gas in the presence of catalysts, wherein two or more catalysts having different catalytic activities are used, and the fluorine-containing compound and hydrogen gas, which are starting materials, are sequentially brought into contact with the catalysts in the order of the catalyst having a lower catalytic activity followed by the catalyst having a higher catalytic activity. According to the present invention, in the method for producing a fluorine-containing alkane by using chlorine-containing fluoroalkane or fluorine-containing alkene as a starting material, and subjection it to a reduction reaction or a hydrogen addition reaction, the objective fluorine-containing alkane can be produced with high productivity.

Abstract: The invention relates to a catalyst, comprising a catalytic element disposed on a substrate, wherein said substrate has formula Ce1-xMxO2, wherein x is between about 0 and about 0.3, optionally between about 0.01 and about 0.3, and wherein M, if present, is a metallic element other than Ce, when used for catalysing a methanation reaction. There is also described use of the catalyst for catalysing a methanation reaction and a method for methanation of a feedstock including carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: The present invention relates, at least in part, to a process for making chlorotrifluoroethylene (CFO-1113) from 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a). In certain aspects, the process includes dehydrochlorinating 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a) in the presence of a catalyst selected from the group consisting of (i) one or more metal halides; (ii) one or more halogenated metal oxides; (iii) one or more zero-valent metals or metal alloys; (iv) combinations thereof.

Abstract: Disclosed is a process for preparing a highly pure 1,1,1,2,3-pentachloropropane product, comprising 1-a) providing a reaction mixture comprising ethylene, carbon tetrachloride and a catalyst in a principal alkylation zone to produce 1,1,1,3-tetrachloropropane in the reaction mixture, and 1-btreating the reaction mixture obtained in step 1-a) to obtain a 1,1,1,3-tetrachloropropane feedstock; 2-a) contacting the 1,1,1,3-tetrachloropropane feedstock with a catalyst in a dehydrochlorination zone to produce a reaction mixture comprising 1,1,1,3-tetrachloropropane and 1,1,3-trichloropropene, and 2-b) treating the reaction mixture obtained in step 2-a) to obtain a 1,1,3-trichloropropene feedstock; 3-a) contacting the 1,1,3-trichloropropene feedstock with chlorine in a reaction zone to produce a reaction mixture containing 1,1,1,2,3-pentachloropropane and 1,1,3-trichloropropene, the reaction zone being different from the dehydrochlorination zone, and 3-b) treating the reaction mixture obtained in step 3-a) to obta

Abstract: A production process for the production of E-1-chloro-3,3,3-trifluoropropene, the process including at least one stage during which 1,3,3,3-tetrachloropropene reacts with anhydrous hydrofluoric acid in the liquid phase, in the absence of a catalyst, with an HF/1,1,3,3-tetrachloropropene molar ratio between 3 and 20 inclusive, at a temperature between 50° C. and 150° C. inclusive and an absolute pressure of between 1 and 20 bar inclusive.

Abstract: The present invention concerns the production and use of feedstock streams. Specifically, the present invention provides a process for the production of a commodity using two or more feedstock streams. Each feedstock stream is processed into a common intermediate and subsequently processed into a final product, such as electrical energy, a liquid fuel or a liquefied fuel, such as methanol, dimethyl ether, synthetic gasoline, diesel, kerosene, or jet fuel. The common intermediate may be synthetic gas (syngas), producer gas or pyrolysis gas.

Abstract: The present invention provides a process of catalytic fluorination in gas phase of product 1,1,1,2,3-pentachloropropane or/and 1,1,2,2,3-pentachloropropane into product 2,3,3,3-tetrafluoropropene in presence of a catalyst.

Abstract: A process for treating a composition comprising one or more desired (hydro)halocarbons and one or more undesired halogenated hydrocarbon containing impurities so as to reduce the concentration of at least one undesired halogenated hydrocarbon containing impurity, the process comprising contacting the composition with an adsorbent comprising a carbon molecular sieve.

Abstract: The invention relates to a process for the treatment of a gas stream comprising hydrochloric acid, hydrofluoric acid and fluorinated/oxygenated compounds, in which the gas stream is successively subjected to: a stage of catalytic hydrolysis; a stage of washing with an acid solution; a stage of adsorption of impurities by active charcoal; a stage of adiabatic or isothermal absorption of the hydrochloric acid in an aqueous solution, making it possible to collect hydrochloric acid solution.

Abstract: A process is provided comprising contacting and reacting the compound CF3CF2CHXCl, wherein X is H or Cl, or the compound CF3CF?CXCl, wherein X is H or Cl, with hydrogen in the presence of a catalyst consisting essentially of Cu, Ru, Cu—Pd, Ni—Cu, and Ni—Pd, to obtain as a result thereof reaction product comprising hydrofluoropropenes or intermediates convertible to said hydrofluoropropenes, notably CF3CF?CH2 and CF3CH?CHF.

Abstract: Methods of producing a light alkene. The method comprises contacting syngas and tungstated zirconia to produce a product stream comprising at least one light alkene. The product stream is recovered. Methods of converting syngas to a light alkene are also disclosed. The method comprises heating a precursor of tungstated zirconia to a temperature of between about 350° C. and about 550° C. to form tungstated zirconia. Syngas is flowed over the tungstated zirconia to produce a product stream comprising at least one light alkene and the product stream comprising the at least one light alkene is recovered.

Abstract: The present invention relates to a method for producing the activated catalyst for Fischer-Tropsch synthesis comprising: a first step of reducing a catalyst for Fischer-Tropsch synthesis; a second step of preparing liquid hydrocarbon in which a part or all of molecular oxygen is eliminated; and a third step of introducing the reduced catalyst prepared in the first step into the liquid hydrocarbon prepared in the second step while blocking its contact with air. Since the reduced catalyst used for Fischer-Tropsch synthesis is introduced into liquid hydrocarbon from which molecular oxygen is removed or coated by liquid hydrocarbon, the catalyst for Fischer-Tropsch synthesis activated based on the present invention maintains a high activity even if exposed to the air for a long time, thereby easily facilitating the long-term storage and long-distance transfer of the reduced catalyst.

Abstract: A method for producing a tetrafluoroolefin, such as 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprises dehydrofluorinating a pentafluoroalkane in a gas phase in the presence of a catalyst comprising chromium oxyfluoride. In a preferred embodiment, 2,3,3,3-tetrafluoropropene (HFO-1234yf) is produced by forming a catalyst comprising chromium oxyfluoride by calcining CrF3.xH2O, where x is 1-10, in the presence of a flowing gas comprising nitrogen to form a calcined chromium oxyfluoride, and dehydrofluorinating 1,1,1,2,2-pentafluoropropane (HFC-245cb) in a gas phase in the presence of the catalyst to form the 2,3,3,3-tetrafluoropropene (HFO-1234yf).

Abstract: To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.

Abstract: Thioaminal polymers are made from hexahydrotriazine precursors and dithiol precursors. The precursors are blended together and subjected to mild heating to make the polymers. An amine scavenger is used to remove amine byproducts from the reaction, thus promoting polymer growth to high molecular weight. The polymers have the general structure wherein each R1 is independently an organic or hetero-organic group, a plurality of R2 groups are substituents having molecular weight greater than about 120 Daltons, and n is an integer greater than or equal to 1. The polymers may be functionalized by adding a thiol-reactive group to either end or both ends.

Abstract: A method to stably produce trifluoroethylene with a high selectivity by reacting 1,1,1,2-tetrafluoroethane with a solid reactant and suppressing the formation of by-products such as polymer carbon is provided. In the method, a material gas containing 1,1,1,2-tetrafluoroethane passes through a layer consisting of a particulate solid reactant having an average particle size of from 1 ?m to 5,000 ?m to bring the solid reactant and 1,1,1,2-tetrafluoroethane into contact with each other in a state where the layer consisting of the solid reactant is fluidized.

Abstract: The invention relates to use of a catalyst comprising particles of nickel dispersed in a porous silica matrix for catalyzing a methanation reaction. There is also described a method for methanation of a feedstock at least comprising gases carbon monoxide and hydrogen, said method comprising contacting the feedstock with the catalyst.

Abstract: A process for removing one or more undesired (hydro)halocarbon compounds containing a ?CF2 moiety from a (hydro)fluoroalkene that does not contain a ?CF2 moiety, the process comprising contacting a composition comprising the (hydro)fluoroalkene and one or more undesired (hydro)halocarbon compounds with an aluminum-containing absorbent, activated carbon, or a mixture thereof, wherein the or each undesired (hydro)halocarbon compound is present in an amount of from about 0.1 to about 1000 ppm, based on the weight of the composition comprising the R-1234yf and one or more undesired (hydro)halocarbon compounds.

Abstract: Disclosed is a process for producing highly pure chlorinated alkane in which a chlorinated alkene is contacted with chlorine in a reaction zone to produce a reaction mixture containing the chlorinated alkane and the chlorinated alkene, and extracting a portion of the reaction mixture from the reaction zone, wherein the molar ratio of chlorinated alkane:chlorinated alkene in the reaction mixture extracted from the reaction zone does not exceed 95:5.

Abstract: A method for preparing peroxide, including a step of treating, in a reaction medium, a component having at least one tertiary alcohol grouping with a compound having at least one tertiary hydroperoxide function in the presence of a catalyst, said method being characterized in that the catalyst includes a sulphonic acid and a inorganic acid, the molar ratio between the sulphonic acid and the aforementioned component including at least one tertiary alcohol grouping ranges from 0.05 to 0.8, and the molar ratio between the inorganic acid and the aforementioned component including at least one tertiary alcohol grouping ranges from 0.05 to 0.8. Also, to the peroxide resulting directly from said preparation method.