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Alumina having a complex pore structure, and catalyst and process for selective hydrogenation of cracking gasoline

Patent Number: 8110527
Publication Date: 2012-02-07
Inventors: Liu, Zhongneng; Jiang, Xinghua; Wu, Xiaoling; Hou, Minbo; Zong, Hongyuan; Xie, Zaiku

The present invention discloses an alumina support having multiple pore structure, wherein the alumina support has a specific surface area of from 40 to 160 m²/g and a total pore volume of from 0.3 to 1.2 cm³/g; a pore volume of pores having a pore diameter of less than 30 nm comprises 5 to 60% of the total pore volume; a pore volume of pores having a pore diameter of from 30 to 60 nm comprises 20 to 75% of the total pore volume; and a pore volume of pores having a ...

Arsenic absorbing composition and methods of use

Patent Number: 8110526
Publication Date: 2012-02-07
Inventors: Misra, Manoranjan; Nanor, Joseph

In various embodiments, the present disclosure provides filtering compositions, their method of production, and methods for their use. In specific implementations, the filtering composition includes lanthanum and has a surface area of at least about 125 g/m ². In more specific examples, the filtering composition is free-flowing or has a moisture content between about 10 wt % about 30 wt %. Particular compositions include at least one of iron or magnesium. Some embodiments of the ...

Method of preparing oil absorbing fibers

Patent Number: 8110525
Publication Date: 2012-02-07
Inventors: Xiao, Changfa; Xu, Naiku; An, Shulin; Feng, Yan; Jia, Guangxia

A method of preparing oil-absorbing fibers by: a) fully dissolving a dispersant and a deionized water in a reaction vessel, adding a methacrylate monomer and an initiator to a reactor and stirring to form a homogenous solution, transferring the homogenous solution into the reaction vessel, charging nitrogen gas, stirring, raising temperature to 70-80° C., allowing to react for 2-6 hours, raising temperature to 90-100° C., allowing to react for 2-4 hours, collecting a resultant product, ...

Gas storage cylinder formed from a composition containing thermally exfoliated graphite

Patent Number: 8110524
Publication Date: 2012-02-07
Inventors: Prud'Homme, Robert K.; Aksay, Ilhan A.

A gas storage cylinder or gas storage cylinder liner, formed from a polymer composite, containing at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m²/g to 2600 ...

Highly attrition resistant and dry regenerable sorbents for carbon dioxide capture

Patent Number: 8110523
Publication Date: 2012-02-07
Inventors: Ryu, Chong-Kul; Lee, Joong-Beom; Eom, Tae-Hyoung; Oh, Je-Myung

Disclosed herein is a method for preparing a dry regenerable sorbent which comprises the steps of obtaining a slurry through formulation, mixing, comminuting and dispersion of the sorbent raw materials, forming the slurry by spray drying to produce sorbent particles, and calcining the sorbent particles. In the step of obtaining a slurry, there is used organic additives (dispersant, a flow control agent, and an organic binder) necessary to obtain a well-dispersed, stable and free-flowing ...

Methods for promoting syngas-to-alcohol catalysts

Patent Number: 8110522
Publication Date: 2012-02-07
Inventors: Kharas, Karl; Meitzner, George

The present invention provides methods of intercalating a catalyst promoter to form a catalyst composition suitable for converting syngas into alcohols, such as ethanol. Effective conditions for promoter intercalation are provided herein. This invention also provides novel compositions that can be characterized by interplanar spacings of the promoter within the catalyst ...

Synthesis methods of core-shell nanoparticles on a carbon support

Patent Number: 8110521
Publication Date: 2012-02-07
Inventors: Sung, Yung-Eun; Jeon, Tae-Yeol; Lee, Jae Seung; Park, Hee-Young

The present invention features a method for preparing core-shell nanoparticles supported on carbon. In particular, the present invention features a method for preparing core-shell nanoparticles supported on carbon, including: dispersing core nanoparticle powder supported on carbon in ethanol; adding a metal precursor which forms a shell and hydroquinone thereto; and mixing and reducing the same. Preferably, the disclosed method for preparing core-shell nanoparticles supported on carbon ...

Carbon-coated metal oxide nano-particles and method of preparing the same

Patent Number: 8110520
Publication Date: 2012-02-07
Inventors: Yang, Chia-Min; Hsu, Yu-Chuan; Lin, Huang-Ching; Liao, Yi-Ting; Lue, Chien-Wei

A method of preparing carbon-coated metal oxide nano-particles and carbon-coated metal oxide nano-particles prepared with the same method are described. The method includes the following steps at least. A precursor of a polymer is polymerized on metal oxide nano-particles to form polymer-coated metal oxide nano-particles. Then, pyrolysis is conducted to carbonize the polymer coated on the metal oxide nano-particles, so as to form carbon-coated metal oxide ...

Polymer-supported metal cluster composition

Patent Number: 8110519
Publication Date: 2012-02-07
Inventors: Ohno, Keiji; Kobayashi, Shu; Akiyama, Ryo; Okamoto, Kuniaki; Inagaki, Yoshio

The objective is to present compositions obtained by supporting by polymers micro clusters of transition metals and the like that are useful as catalysts in various reactions and, once used, are readily recovered and reused.

A polymer-supported metal cluster composition is obtained by supporting a transition metal by a cross-linked polymer, and the polymer-supported cluster composition is characterized by the cross-linked polymer obtained by cross-linking of a cross-linkable polymer ...

Fluorinated transition metal catalysts and formation thereof

Patent Number: 8110518
Publication Date: 2012-02-07
Inventors: Razavi, Abbas; Lopez, Margarito; Daumerie, Michel; Marin, Vladimir; Coffy, Tim

Supported catalyst systems and methods of forming the same are described herein. In one specific embodiment, the methods generally include providing an inorganic support material and contacting the inorganic support material with an aluminum fluoride compound represented by the formula AlF_pX_3-pB_qto form an aluminum fluoride impregnated support, wherein X is selected from Cl, Br and OH⁻, B is H₂O, p is selected from 1 to 3 and q is ...

Composites and composite membranes

Patent Number: 8110517
Publication Date: 2012-02-07
Inventors: Kerres, Jochen; Häring, Thomas; Häring, Rima

The invention relates to a composite or a composite membrane consisting of an ionomer and of an inorganic optionally functionalized phyllosilicate. The isomer can be: (a) a cation exchange polymer; (b) an anion exchange polymer; (c) a polymer containing both anion exchanger groupings as well as cation exchanger groupings on the polymer chain; or (d) a blend consisting of (a) and (b), whereby the mixture ratio can range from 100% (a) to 100% (b). The blend can be ionically and even ...

Separation medium containing thermally exfoliated graphite oxide

Patent Number: 8105976
Publication Date: 2012-01-31
Inventors: Prud'homme, Robert K.; Herrera-Alonso, Margarita; Aksay, Ilhan A.

A separation medium, such as a chromatography filling or packing, containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m²/g to 2600 m²/g, wherein the thermally exfoliated graphite oxide has a surface that has been at least partially ...

Method and device for catchment of platinum group metals in a gas stream

Patent Number: 8105975
Publication Date: 2012-01-31
Inventors: Brackenbury, David M.; Waller, David; Evjedal, Ketil

This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s), and where the device comprises the porous ceramic body in which at least a part of the surface area is covered by one or more PGM-catching metal(s)/alloy(s). In a further aspect, the invention also ...

Destabilized and catalyzed borohydride for reversible hydrogen storage

Patent Number: 8105974
Publication Date: 2012-01-31
Inventors: Au, Ming; Nakamura, Kenji; Mohtadi, Rana F.; Zidan, Ragaiy

A process of forming a hydrogen storage material, including the steps of: providing a first material of the formula M(BH₄)_X, where M is an alkali metal or an alkali earth metal, providing a second material selected from M(AlH₄)_x, a mixture of M(AlH₄)_xand MCl_x, a mixture of MCl_xand Al, a mixture of MCl_xand AlH₃, a mixture of MH_xand Al, Al, and AlH₃. The ...

Supported catalyst for producing Hand/or CO from low molecular weight hydrocarbons

Patent Number: 8105973
Publication Date: 2012-01-31
Inventors: Del Gallo, Pascal; Gary, Daniel; Basile, Francesco; Fornasari, Giuseppe; Rosetti, Valentina; Vaccari, Angelo

Chemical combination (C) between an active solid phase which is covalently bound to the surface of an inert solid phase, characterized in that said solid active phase essentially consists in a solid solution of a mixture of at least a magnesium oxide type phase compound and at least a magnesium silicate type phase compound in which Al, and Rh and/or Ni cations are soluted and characterized in that said inert solid phase is either a compound represented by the general formula ...

Catalysts for the conversion of paraffins to olefins and use thereof

Patent Number: 8105972
Publication Date: 2012-01-31
Inventors: Ghosh, Ruma; Gaffney, Anne Mae; Song, Ruozhi; Yeh, Chuen Yuan; Langner, Tadeusz

A catalyst for the oxidative dehydrogenation of a paraffin to form an olefin, the catalyst having a general formula Mo_aV_bX_cY_dO_nwherein: X=at least one of Nb and Ta; Y=at least one of Te, Sb, Ga, Pd, W, Bi and Al; a=1.0; b=0.05 to 1.0; c=0.001 to 1.0; d=0.001 to 1.0; and n is determined by the oxidation states of the other elements. The catalyst may have a selectivity to the olefin of at least 90 mole % at a paraffin conversion of at ...

Process for making catalysts useful for the conversion of paraffins to olefins

Patent Number: 8105971
Publication Date: 2012-01-31
Inventors: Ghosh, Ruma; Gaffney, Anne Mae; Song, Ruozhi; Yeh, Chuen Yuan; Langner, Tadeusz

A process for forming a catalyst useful for the production of an olefin from a hydrocarbon is disclosed. The process may include: admixing at least one of elemental metals and compounds to form a multi-metal composition comprising Mo, V, Nb, Te and at least one of Ni and Sb; adjusting the pH of the multi-metal composition by adding nitric acid; drying the acidified multi-metal composition; calcining the dried multi-metal composition; and grinding the calcined multi-metal composition. The ...

Olefin polymerization catalyst component and production process thereof, and production proces of olefin polymerization catalyst and olefin polymer

Patent Number: 8105970
Publication Date: 2012-01-31
Inventors: Hirahata, Wataru; Okada, Mitsuhiro

A solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom, and a defined internal electron donor such as dodecanedioyl dichloride; a production process of such a solid catalyst component, using a titanium compound, a magnesium compound, and the above internal electron donor, or using a solid component containing a titanium atom and a magnesium atom, and the above internal electron donor; a production process of a solid catalyst, using ...

Catalyst with an ion-modified binder

Patent Number: 8105969
Publication Date: 2012-01-31
Inventors: Rives, Taylor; Pelati, Joseph E

A solid catalyst, such as a molecular sieve catalyst or solid acid catalyst, is supported by a binder, such as amorphous silica or alumina, wherein the binder is charged with metal ions to form an ion-modified binder. The ion-modified binder is capable of attachment to polar contaminants and inhibit their contact with the catalyst. The catalyst can be a zeolite and can be the catalyst for an alkylation reaction, such as the alkylation of benzene with ...

Bimetallic alkylation catalysts

Patent Number: 8105968
Publication Date: 2012-01-31
Inventors: Angevine, Philip Jay; Chen, Jingguang; van Broekhoven, Emanuel Hermanus; Yeh, Cheun Yuan; Koegler, Johannes Hendrik; Gaffney, Anne Mae

Solid acid catalysts for use in alkylation processes are described. The solid acid catalysts include a multimetallic (e.g. bimetallic, trimetallic or tetrametallic) component that performs a hydrogenating function for the reactivation (or regeneration) of the catalyst in the presence of hydrogen. The multimetallic catalyst includes a noble metal such as platinum or palladium. The invention also relates to alkylation processes using the multimetallic solid acid catalysts having a ...

Biodegradable superabsorbent particles

Patent Number: 8101543
Publication Date: 2012-01-24
Inventor: Weerawarna, S Ananda

Particles comprising a combination of a carboxyalkyl cellulose and a starch, wherein the particles comprise a plurality of non-permanent metal crosslinks. The non-permanent intra-fiber metal crosslinks include multi-valent metal ion crosslinks formed with one or more metal ions selected from aluminum, boron, bismuth, titanium, and zirconium ...

Catalyst for oxidizing monoxide and method of preparing the same

Patent Number: 8101542
Publication Date: 2012-01-24
Inventors: Kim, Soon-ho; Ko, Eun-yong; Park, Eun-duck; Lee, Hyun-chul; Lee, Doo-hwan

Provided are a catalyst for oxidizing carbon monoxide and a method of preparing the same. The catalyst for oxidizing carbon monoxide includes platinum and a transition metal which exists in a bimetallic phase, and the bimetallic phase of the platinum and the transition metal is supported by a support including a vacancy of oxygen. The catalyst for oxidizing carbon monoxide shows much higher activity than a conventional catalyst for oxidizing carbon monoxide even at a relatively low ...

Catalyst for dehydrogenation of hydrocarbons

Patent Number: 8101541
Publication Date: 2012-01-24
Inventor: Fridman, Vladimir

A stationary or fluid bed dehydrogenation catalyst containing an alumina carrier, with chromium and alkali metals consisting of only sodium and potassium, added as promoters. The resultant catalyst demonstrates greater selectivity and olefin yield than prior art dehydrogenation catalysts, especially after ...

Catalysts for low temperature oxidation of carbon monoxide

Patent Number: 8101540
Publication Date: 2012-01-24
Inventors: Pillai, Unnikrishnan; Deevi, Sarojini

CuO—ZnO—CeO₂catalyst and aged CuO—ZnO catalyst catalytically active for low temperature oxidation of carbon monoxide. The catalysts are co-precipitated, filtered, washed, dried, and calcined. The catalysts can be incorporated into a component of a cigarette or can be used to reduce the concentration of carbon monoxide from a vehicle exhaust emission, a gas used in a laser, a gas used in a fuel cell and/or ambient air undergoing air ...

Purifying catalyst

Patent Number: 8101539
Publication Date: 2012-01-24
Inventors: Ito, Junji; Sekiba, Toru; Yasuda, Hirofumi; Chida, Shigeru; Hanaki, Yasunari

A purifying catalyst includes catalyst powder composed of a transition metal oxide of which an average particle diameter is within 1 nm to 2 μm and in which an electron binding energy of oxygen is shifted to an energy side lower than 531.3 eV. The purifying catalyst shows good purification performance even when noble metal is not contained as an essential ...

Process for producing ruthenium oxide-supported material and process for producing chlorine

Patent Number: 8101538
Publication Date: 2012-01-24
Inventor: Seki, Kohei

There are disclosed a process for producing a ruthenium oxide-supported material, characterized in that a ruthenium compound is supported on a titania carrier in which silica is supported on titania, and the obtained material is then calcined under an atmosphere of an oxidizing gas; and a process for producing chlorine by oxidizing hydrogen chloride with oxygen in the presence of the ruthenium oxide-supported material produced by the above-described ...

Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer

Patent Number: 8101537
Publication Date: 2012-01-24
Inventors: Goto, Tomoaki; Onodera, Yoshimitsu

A method of producing a prepolymerized catalyst for olefin polymerization comprising a fine powder removal step of removing fine particles from olefin-prepolymerized catalyst particles for olefin polymerization. The prepolymerized catalyst having a low fine particle content is applicable suitably to the field of continuous polymerization of ...

Compositions for removing halogenated hydrocarbons from contaminated environments

Patent Number: 8097559
Publication Date: 2012-01-17
Inventors: Noland, Scott; Elliott, Bob

The present invention provides a supported reactant for in situ remediation of soil and/or groundwater contaminated with a halogenated hydrocarbon consisting essentially of an adsorbent impregnated with zero valent iron, wherein the adsorbent is capable of adsorbing the halogenated hydrocarbon. In one embodiment, the adsorbent is activated ...

Catalyst and method for producing phthalic anhydride

Patent Number: 8097558
Publication Date: 2012-01-17
Inventors: Estenfelder, Marvin; Hartsberger, Helmut; Gūckel, Christian

The present invention relates to a catalyst, in particular for the preparation of phthalic anhydride by gas phase oxidation of o-xylene and/or naphthalene, having an inert support and at least one layer which has been applied thereto and has a catalytically active composition comprising TiO₂, characterized in that at least a portion of the TiO₂used has the following properties: (a) the BET surface area is more than 15 m²/g, (b) at least 25% of the total ...

Two-stage calcination for catalyst production

Patent Number: 8097557
Publication Date: 2012-01-17
Inventors: Allen, Stephen R.; Bortinger, Arie; Bhise, Vijay S.

The invention relates to an improved process for producing a catalyst useful for the epoxidation of ethylene to ethylene oxide. In forming the catalyst, a silver-impregnated support is subjected to two calcinations. The support is subjected to a first calcination in a first atmosphere comprising air. Next the support is subjected to a second calcination in a second atmosphere which is substantially entirely comprised of inert gas, and which second atmosphere is substantially absent of ...

Exhaust gas-purifying catalyst and method of manufacturing the same

Patent Number: 8097556
Publication Date: 2012-01-17
Inventors: Kimura, Mareo; Tanaka, Hirohisa; Matsueda, Satoshi; Uenishi, Mari

An object of the present invention is to provide an exhaust gas-purifying catalyst that is less prone to cause a decrease in its activity even when used at high temperatures in an atmosphere whose oxygen concentration is high. An exhaust gas-purifying catalyst of the present invention includes a composite oxide of alkaline-earth metal and aluminum, and platinum, wherein at least a part of the composite oxide and at least a part of the platinum forms a solid ...

Process for the production of hybrid catalysts for fischer-tropsch synthesis and hybrid catalyst produced according to said process

Patent Number: 8097555
Publication Date: 2012-01-17
Inventors: Cerqueira, Henrique Soares; Feliu, Agustin Martines; Aguiar, Eduardo Falabella Sousa; Costa, Alexandre de Figueiredo; Martinez, Joan Rollán; Dias Junior, Joberto Ferreira

Process for the production of hybrid catalysts formed by mixing two catalysts; one active in Fischer-Tropsch synthesis, the other being bifunctional. Such hybrid catalyst thus formed is active both in hydrocracking and in hydroisomerization reactions. The present invention in addition provides obtainment of a hybrid catalyst and application thereof conjointly with FT catalysts in Fischer-Tropsch synthesis reactions. The hybrid catalyst of the present invention is capable of producing in ...

Apparatus for removing soot from diesel engine exhaust streams at temperatures at or below 150° C.

Patent Number: 8097554
Publication Date: 2012-01-17
Inventors: Roberts, Thomas Richard; Iacubucci, Thomas A.; Fronheiser, Dennis Roland

An apparatus for removing soot from diesel engine exhaust streams at temperatures below 150° C. is provided. Although the use of particulate filters for removing carbonaceous soot from such exhaust streams is known, such systems are either active or operate under high temperatures, i.e. in excess of 300° C. The claimed apparatus includes a flow through support device composed of ceramic, such as cordierite or silicon carbide, or a primarily nonferrous metal or stainless steel and coated ...

Catalyst support powder and exhaust gas purifying catalyst

Patent Number: 8097553
Publication Date: 2012-01-17
Inventors: Kuno, Oji; Miura, Masahide

The present invention provides a catalyst support powder 3 comprising ceria and zirconia, wherein the ratio of the molar fraction (mol %) of ceria on the support powder surface as measured by the X-ray photoelectron spectroscopy to the molar fraction (mol %) of ceria in the raw material is from 1.0 to 1.5. Further, the present invention provides an exhaust gas purifying catalyst 5 comprising the catalyst support powder 3 and platinum 4 supported ...