| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 221 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS | US13505024 | 2010-10-29 | US20120253089A1 | 2012-10-04 | Mahesh Venkataraman Iyer; Ann Marie Lauritzen; Ajay Madhav Madgavkar |
| The present invention provides a process for producing aromatic hydrocarbons which comprises: (a) alternately contacting a lower alkane feed with an aromatization catalyst under aromatization reaction conditions in a reactor for a short period of time, preferably 30 minutes or less, to produce aromatic reaction products and then contacting the aromatization catalyst with a hydrogen-containing gas at elevated temperature for a short period of time, preferably 10 minutes or less, (b) repeating the cycle of step (a) at least one time, (c) regenerating the aromatization catalyst by contacting it with an oxygen-containing gas at elevated temperature and (d) repeating steps (a) through (c) at least one time. | ||||||
| 222 | PROCESS FOR THE CONVERSION OF MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS | US13505043 | 2010-10-29 | US20120240467A1 | 2012-09-27 | Mahesh Venkataraman Iyer; Ann Marie Lauritzen; Ajay Madhav Madgavkar |
| A process for the conversion of mixed lower alkanes into aromatics which comprises first reacting a mixed lower alkane feed comprising at least propane and ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of propane into first stage aromatic reaction products, separating ethane from the first stage aromatic reaction products, reacting ethane in the presence of an aromatization catalyst under reaction conditions which maximize the conversion of ethane into second stage aromatic reaction products, and optionally separating ethane from the second stage aromatic reaction products. | ||||||
| 223 | Zeolite-binder catalyst composition | US12448738 | 2007-12-05 | US08252710B2 | 2012-08-28 | Balu Shivaji Uphade; Srikant Gopal |
| Catalyst composition comprising a zeolite and a binder, wherein the zeolite is a Ga containing zeolite and the binder is a La modified kaolin and process for converting lower alkanes to aromatic hydrocarbons, using said catalyst composition. Preferably the aromatic hydrocarbons consist of at least 45 wt % of benzene, toluene and xylenes. | ||||||
| 224 | Process for producing propylene and aromatic hydrocarbons, and producing apparatus therefor | US12086308 | 2007-01-12 | US08034987B2 | 2011-10-11 | Mitsuhiro Sekiguchi; Yoshikazu Takamatsu |
| It is an object of the present invention to provide an improved process whereby the yield structure of the components can be varied by a simple method, and the products can be produced stably and efficiently in a process for producing propylene and aromatic hydrocarbons from a hydrocarbon feedstock containing C4-12 olefins using a medium pore diameter zeolite-containing catalyst. A process for producing is disclosed which comprises a propylene production step wherein a specific zeolite catalyst is used to remove a C4+ hydrocarbon component from a reaction mixture, and part of the hydrocarbon component is recycled as necessary without modification, and an aromatic hydrocarbon production step wherein all or a part of the C4+ hydrocarbon component is used as the raw material. | ||||||
| 225 | PRODUCTION OF AROMATICS FROM METHANE | US12736899 | 2008-05-21 | US20110160508A1 | 2011-06-30 | Ding Ma; Lijun Gu; Xinhe Bao; Wenjie Shen; Martin Philip Atkins |
| A catalytic composition and method for methane dehydroaromatisation, the catalytic composition comprising a catalyst metal active for methane dehydroaromatisation, a zeolite having pores with diameters of at least 10 non-oxygen frame-work atoms, and silicon carbide, and in which the method comprises contacting a methane-containing feedstock with said catalytic composition to produce one or more aromatic compounds and hydrogen. | ||||||
| 226 | PROCESS FOR OBTAINING BENZENE, TOLUENE (AND NAPHTHALENE) FROM C1-C4-ALKANES WITH CO-DOSAGE OF HYDROGEN OF A SEPERATE LOCATION | US12993956 | 2009-05-20 | US20110130606A1 | 2011-06-02 | Frank Kiesslich; Achim Gritsch; Christian Schneider; Albena Kostova |
| The present invention relates to a process for nonoxidatively dehydroaromatizing a reactant stream comprising C1-C4-aliphatics by converting the reactant stream in the presence of a catalyst in a reaction zone 1 to a product stream P comprising aromatic hydrocarbons, and regenerating the catalyst whose activity has been reduced by deposited coke with a hydrogen-comprising mixture H in a reaction zone 2, wherein at least a portion of the deposited coke is converted to methane and at least a portion of the methane formed is fed to reaction zone 1. | ||||||
| 227 | Production of Aromatics from Methane | US12865773 | 2009-02-05 | US20110054232A1 | 2011-03-03 | Neeraj Sangar; Teng Xu; Larry L. Iaccino; Mobae Afeworki |
| A catalyst for the conversion of methane to higher hydrocarbons including aromatic hydrocarbons comprises molybdenum or a compound thereof dispersed on an aluminosilicate zeolite, wherein the amount of aluminum present as aluminum molybdate in the catalyst is less than 2700 ppm by weight. | ||||||
| 228 | CATALYST AND PROCESS FOR PRODUCING THE SAME | US12988072 | 2009-04-13 | US20110034321A1 | 2011-02-10 | Takuya Hatagishi; Tomohiro Yamada |
| [Task] To provide a catalyst in which granules of the catalyst are improved in crash strength with no use of the caking agent, while increasing the effective area of the crystal surface part of the catalyst.[Solving Means] A catalyst powder-containing slurry obtained by milling a metallosilicate-containing raw material by a bead mill is dried by a spray drying method to obtain granules of a catalyst. The raw material may be one containing a metallosilicate having micropores of a size that is substantially 4.5 to 6.5 angstroms. It is better to mill the raw material by a bead mill such that the particle size of the metallosilicate becomes 1.0 μm or less at a cumulative frequency of 50%. It is better that as a metal component at least one metal component selected from rhenium, vanadium, molybdenum, tungsten, chromium, and their compounds is supported on the metallosilicate. It is better to subject the slurry to the drying process after aging. It is better to add polyvinyl alcohol to the slurry.[Selected Drawing] None | ||||||
| 229 | Regeneration of platinum-germanium zeolite catalyst | US11642421 | 2006-12-20 | US07745675B2 | 2010-06-29 | Paul E. Ellis; Gopalakrishnan G. Juttu; Alla K. Khanmamedova; Scott F. Mitchell; Scott A. Stevenson |
| This invention relates to a process for regeneration of a zeolite catalyst, specifically an aluminosilicate zeolite with germanium substituted in the framework for silicon and with platinum deposited on the zeolite. The catalyst may be used in a process for aromatization of alkanes, specifically C2-C8 alkanes. The regeneration process 1) removes coke and sulfur from the catalyst via oxidation, 2) redisperses platinum on the surface of the catalyst via chlorine gas, 3) removes chlorine and bind Pt to the surface of the zeolite by steaming, 4) reduces the catalyst in hydrogen, and 5) optionally, resulfides the catalyst. The zeolite may be a MFI zeolite. The catalyst may be bound with an inert material which does not act as a binding site for platinum during the regeneration process, for example, silica. | ||||||
| 230 | METHOD OF REGENERATING LOWER HYDROCARBON AROMATIZING CATALYST | US12594902 | 2008-03-17 | US20100137125A1 | 2010-06-03 | Hongtao Ma; Yuji Ogawa |
| To improve stability of catalytic performance, an aromatizing catalyst for converting lower hydrocarbons into aromatic compounds is regenerated. A regeneration process of the aromatizing catalyst according to the present invention includes the steps of: (a) reacting the aromatizing catalyst with a hydrogen gas in an atmosphere containing the hydrogen gas after using the aromatizing catalyst in an aromatizing reaction for converting lower hydrocarbons into aromatic compounds; (b) decreasing a temperature of the atmosphere containing the hydrogen gas reacted with the aromatizing catalyst, by supplying one of an inert gas and a reducing gas to the atmosphere; (c) reacting the aromatizing catalyst reacted with this inert gas, with an oxidizing gas; and (d) reacting the aromatizing catalyst reacted with the oxidizing gas, with a reducing gas. | ||||||
| 231 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS | US12608671 | 2009-10-29 | US20100048969A1 | 2010-02-25 | Ann Marie LAURITZEN; Ajay Madhav Madgavkar |
| A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehydroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C2-5 hydrocarbons from the reaction products of step (a) to produce aromatic reaction products including benzene. | ||||||
| 232 | Process for Production of Aromatic Hydrocarbons | US12376656 | 2007-08-02 | US20090177020A1 | 2009-07-09 | Yushi Suzuki; Tsuyoshi Asano |
| The present invention provides a process for producing aromatic hydrocarbons at a sufficiently high yield, from a light hydrocarbon containing mainly hydrocarbons having 7 or fewer carbon atoms. The process of the present invention comprises bringing a feedstock containing mainly light hydrocarbons having 2 to 7 carbon atoms into contact with a catalyst composition comprising at least a gallium-containing crystalline aluminosilicate wherein a reaction step for converting the feedstock to aromatic hydrocarbons comprises at least two or more reaction layers formed of the catalyst composition, arranged in series and heating means arranged either between or in the reaction layers, the amount of the catalyst in the first stage reaction layer is 30 percent by volume or less of the total catalyst volume, and/or the yield of the aromatics in the product outflowing from the first reaction layer is from 0.5 to 30 percent by mass. | ||||||
| 233 | PROCESS FOR THE CONVERSION OF ETHANE TO MIXED LOWER ALKANES TO AROMATIC HYDROCARBONS | US12332147 | 2008-12-10 | US20090156870A1 | 2009-06-18 | Ann Marie Lauritzen; Ajay Madhav Madgavkar |
| A process for producing aromatic hydrocarbons which comprises a) contacting ethane or mixed lower alkanes with an aromatic hydrocarbon conversion catalyst to produce reaction products including benzene, b) separating methane, hydrogen, and C2-5 hydrocarbons from the reaction products of step a), and c) hydrodealkylating the remaining reaction products to produce benzene. In a preferred embodiment, the feed is split into two streams, one of which is catalytically or thermally cracked to produce ethylene which is then combined with the remaining ethane or lower alkanes and contacted with the aromatic hydrocarbon conversion catalyst. | ||||||
| 234 | Process for Aromatic Alkylation | US12208011 | 2008-09-10 | US20090012338A1 | 2009-01-08 | Jihad Mohammed Dakka; John Scott Buchanan; Robert Andrew Crane; Christine Nicole Elia; Xiaobing Feng; Larry Lee Iaccino; Gary David Mohr; Brenda Anne Raich; Jose' Guadalupe Santiesteban; Lei Zhang |
| This invention relates to a process for the selective alkylation of toluene and/or benzene with an oxygen-containing alkylation agent. In particular, the process uses a selectivated molecular sieve which has been modified by the addition of a hydrogenation component, wherein at least one of the following conditions is met: (a) the selectivated molecular sieve has an alpha value of less than 100 prior to the addition of the hydrogenation component, or (b) the selectivated and hydrogenated catalyst has an alpha value of less than 100. The process of this invention provides high selectivity for the alkylated product while reducing catalyst degradation. | ||||||
| 235 | Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same | US12208253 | 2008-09-10 | US20090009074A1 | 2009-01-08 | Hidetsugu Ikeda; Masahide Matsuura; Hisayuki Kawamura |
| There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1−Ch−Ar2 (1) Ch1−L−Ch2 (2) Ar3−(L1)a−Ch3−(L2)b−Ar4 (3) Ar5−Ch4−(Ar7)n−L3−(Ar8)m−Ch5−Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same. | ||||||
| 236 | Process of using zeolite catalyst for hydrocarbon conversion | US11656182 | 2007-01-22 | US20080177119A1 | 2008-07-24 | Gopalakrishnan G. Juttu; Robert Scott Smith |
| This invention is for a catalyst for conversion of a hydrocarbonaceous feed. The catalyst is a zeolite aluminosilicate with a silicon to aluminum molar ratio from about 70:1 to about 100:1 on which a noble metal has been deposited. The zeolite catalyst may contain other optional tetravalent and trivalent elements in the zeolite framework. The zeolite structure may be MFI, FAU, TON, MFL, VPI, MEL, AEL, AFI, MWW or MOR. The catalyst is synthesized by preparing a zeolite containing aluminum, silicon and, optionally, other elements, such as germanium, in the framework, depositing a noble metal, such as platinum, on the zeolite and calcining the zeolite. The catalyst may be used for aromatization of alkanes to aromatics. One embodiment is a MFI zeolite catalyst which may be used for the aromatization of alkanes having two to six carbon atoms per molecule to aromatics, such as benzene, toluene and xylenes. | ||||||
| 237 | Aromatic compound recovery | US11044128 | 2005-01-27 | US07326823B2 | 2008-02-05 | Solon B. Williams; Reynaldo E. Vera; Robert W. Whitmire; Paul A. Barnard; Brian J. Narowski |
| A method for the solvent extraction recovery of an aromatic wherein an aromatic extract is formed that contains the aromatic and non-aromatics that are both lighter than and heavier than the aromatic, analyzing at least two separate groups of lighter and heavier non-aromatics in the extract, determining from the analyses the distribution of lighter and heavier non-aromatics present and whether the aromatic product that will be recovered from the process will be too far from its predetermined maximum non-aromatic content specification, and making process changes that will cause the process to produce the aromatic product with a non-aromatic content that is closer to its predetermined maximum non-aromatic content specification. | ||||||
| 238 | Catalyst for aromatization of alkanes, process of making and using thereof | US10814913 | 2004-03-31 | US07247593B2 | 2007-07-24 | Gopalakrishnan G. Juttu; Robert Scott Smith |
| A catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes to aromatics, specifically, aromatization of alkanes having two to six carbon atoms per molecule, such as propane, to aromatics, such as benzene, toluene and xylene. The catalyst is an aluminum-silicon-germanium zeolite on which platinum has been deposited. Germanium is in the framework of the crystalline zeolite. Platinum is deposited on the zeolite. The catalyst may be supported on magnesia, alumina, titania, zirconia, thoria, silica, boria or mixtures thereof. The catalyst may contain a sulfur compound on the surface of the catalyst. The sulfur compound may be added to the catalyst in a pretreatment process or introduced with the hydrocarbon feed to contact the catalyst during the aromatization process. Generally, the catalyst may be of the formula M[(SiO2)(XO2)x(YO2)y]Z+y/n where M is a noble metal such as platinum or gold, X is titanium, germanium, tin or another tetravalent element, Y is boron, aluminum, gallium, indium, tellurium or another trivalent element, Z is a cation with a valence of n such as H+, Na+, K+, Rb+, Cs+, Ca2+, Mg2+, Sr2+or Ba2+, x varies from 0-0.15 and y is 0-0.125. An example catalyst would be represented as |H+Pt|[Si91Ge4Al1O192]-MFI. | ||||||
| 239 | Oligoarylene derivatives and organic electroluminescent devices made by using the same | US10522546 | 2003-08-07 | US20060134456A1 | 2006-06-22 | Hidetsugu Ikeda; Masahide Matsuura; Hisayuki Kawamura |
| There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same. | ||||||
| 240 | Non-oxidative conversion of gas to liquids | US10139502 | 2002-05-06 | US07019184B2 | 2006-03-28 | Joe D. Allison; Neil Meldrum; Doug S. Jack; Marc J. Ledoux |
| The present invention provides a process for natural gas in the form, e.g., of stranded gas or associated gas to transportable liquids. More particularly, the present invention provides a process in which the gas is non-oxidatively converted to aromatic liquid, preferably in proximity to the welihead, which may be onshore or offshore. In one aspect, the present invention provides integration of separation of wellhead fluids into associated gas and crude with blending of the aromatic liquid derived from the gas with the crude. Alternatively, or in combination, in another aspect, the present invention provides integration of conversion of byproduct hydrogen to power with non-oxidative conversion of gas to aromatic liquid. | ||||||
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