Patent application number | Description | Published |
20080261802 | Cracking Catalyst and a Preparation Process for the Same - The present invention provides a cracking catalyst, containing a rare-earth Y-zeolite and a support, which is characterized in that the rare-earth content in crystal lattice of the rare-earth Y-zeolite is 4-15 wt % of RE | 10-23-2008 |
20080261803 | Modified Zeolite Beta - A modified zeolite beta having an anhydrous chemical formula, by weight % of the oxides, of (0-0.3)Na | 10-23-2008 |
20080289997 | PROCESS FOR CRACKING HYDROCARBON OILS - A novel process for cracking olefins including contacting a hydrocarbon oil with a catalyst in a riser reactor having multiple reaction zones under cracking reaction conditions; separating reaction products and the catalyst; regenerating at least a part of spent catalyst obtained, contacting a part of the regenerated catalyst with the hydrocarbon in the first reaction zone; contacting the other part of the spent catalyst and/or regenerated catalyst in at least one reaction zone after the first reaction zone with the products obtained in previous reaction zones. | 11-27-2008 |
20080293561 | Cracking Catalyst and a Process for Preparing the Same - A cracking catalyst, which contains alumina, phosphorus and molecular sieve, with or without clay, wherein said alumina is η-alumina or a mixture of η-alumina and χ-alumina and/or γ-alumina, and wherein the catalyst contains, on the basis of the total amount of the catalyst, 0.5-50 wt % of η-alumina, 0-50 wt % of χ-alumina and/or γ-alumina, 10-70 wt % of molecular sieve, 0-75 wt % of clay, and 0.1-8 wt % of phosphorus, measured as P | 11-27-2008 |
20080308455 | Catalyst and a Method for Cracking Hydrocarbons - The invention discloses a catalyst and a method for cracking hydrocarbons. The catalyst comprises, calculated by dry basis, 10˜65 wt % ZSM-5 zeolite, 0˜60 wt % clay, 15˜60 wt % inorganic oxide binder, 0.5˜15 wt % one or more metal additives selected from the metals of Group VIIIB and 2˜25 wt % P additive, in which the metal additive is calculated by metal oxide and the P additive is calculated by P | 12-18-2008 |
20080314799 | Catalytic Conversion Method Of Increasing The Yield Of Lower Olefin - A catalytic conversion process for increasing the light olefin yields, which comprises bringing a hydrocarbon oil feedstock into contact with a catalytic conversion catalyst in a catalytic conversion reactor including one or more reaction zones to carry out the reaction, wherein the hydrocarbon oil feedstock is subjected to the catalytic conversion reaction in the presence of an inhibitor; and separating the reactant vapor optionally containing the inhibitor from the coke deposited catalyst, wherein a target product containing ethylene and propylene is obtained by separating the reactant vapor, and the coke deposited catalyst is stripped and regenerated for recycle use by being returned to the reactor. The process can weaken the further converting reaction of produced light olefins such as ethylene and propylene to 50-70% of the original level by injecting the inhibitor; thereby it can increase the yields of the target products. When vacuum gas oil is used as the feedstock, the yield of ethylene is as high as 8.73 wt % and that of propylene is as high as 29.30 wt %, increasing by 14.4% and 26.6% respectively comparing to those obtained without the inhibitor being injected. | 12-25-2008 |
20090117017 | CATALYTIC CONVERSION APPARATUS - The present invention relates to a catalytic conversion apparatus, characterized in that said apparatus comprises at least one feed oil cracking riser reactor, a dense bed reactor, a disengager, and a stripper, wherein said stripper locates below said dense bed reactor and communicates directly with the lower part of the dense bed reactor or through a fluid-communicating channel, the outlet of at least one of said riser reactor(s) communicates with the lower part of said dense bed reactor or any part of said fluid-communicating channel, the outlet of said dense bed reactor communicates with the inlet of a gas-solid separating apparatus located in said disengager through said disengager and/or through an optional transporting channel, the catalyst outlet of said disengager communicates with at least one position selected from the upper part of said stripper, any part of said fluid-communicating channel, and the lower part of said dense bed reactor, through at least one catalyst transporting channel. The catalytic conversion apparatus according to the present invention sets up at least one riser reactor and a dense bed reactor to carry out further cracking of the intermediate products, produced from the feed oil by the cracking reaction in the riser, in the dense bed reactor. Moreover, the spent catalysts discharged from the outlet of the dense bed reactor can be introduced into the stripper via a specific catalyst transporting channel, so as to maintain higher activity and temperature of the catalyst in the dense bed reactor and be advantageous to deeper cracking of the intermediate products in the dense bed reactor so as to produce more light olefins, particularly propylene. | 05-07-2009 |
20090264693 | PROCESS FOR THE CATALYTIC CONVERSION OF HYDROCARBONS - A process for the catalytic conversion of hydrocarbons, said process comprising the following steps:
| 10-22-2009 |
20090288985 | Process for producing light olefins and aromatics - A process for producing light olefins and aromatics, which comprises reacting a feedstock with a catalytic cracking catalyst in at least two reaction zones, wherein the reaction temperature of at least one reaction zone downstream of the first reaction zone is higher than that of the first reaction zone and its weight hourly space velocity is lower than that of the first reaction zone. The spent catalyst is separated from the reaction product vapor, regenerated and then returned to the reactor. The reaction product vapor is separated to obtain the desired products, light olefins and aromatics. This process efficiently produces light olefins such as propylene, ethylene, etc. from heavy feedstocks, wherein the yield of propylene exceeds 20% by weight, and produces aromatics such as toluene, xylene, etc. at the same time. | 11-26-2009 |
20090288993 | DESULFURIZING ADSORBENT, PREPARING PROCESS AND USE THEREOF - An adsorbent for desulfurizing cracking gasoline or diesel fuel comprising 1) pillared clay, (2) inorganic oxide binder, (3) an oxide of one or more metals selected from Groups IIB, VB and VIB, and (4) at least one metal accelerant selected from cobalt, nickel, iron and manganese. The adsorbent exhibits excellent abrasion-resistant strength and desulfurization performance. | 11-26-2009 |
20090321321 | DESULFURIZING ADSORBENT, PREPARATION METHOD AND USE THEREOF - The invention provides an adsorbent for removing sulfur from cracking gasoline or diesel fuel, which adsorbent comprises: (1) a carrier consisting of a source of silica, an inorganic oxide binder, and at least one oxide of metal selected from Groups IIB, VB and VIB; (2) at least one accelerant metal which is capable of reducing the sulfur in oxidized state to hydrogen sulfide and has a η<0.5, wherein η=(the amount in percentage of accelerant metal in crystal phase)/(the amount in percentage of accelerant metal in the adsorbent). The active components in the adsorbent can be evenly dispersed on the carrier in a matter close to monolayer dispersion, and which greatly improves the activity of the adsorbent. The preparation method and the use of the above adsorbent are provided. | 12-31-2009 |
20090325786 | HYDROCARBON CONVERSION CATALYST - A hydrocarbon conversion catalyst, which comprises, based on the total weight of the catalyst, 1-60 wt % of a zeolite mixture, 5-99 wt % of a thermotolerant inorganic oxide and 0-70 wt % of clay, wherein said zeolite mixture comprises, based on the total weight of said zeolite mixture, 1-75 wt % of a zeolite beta modified with phosphorus and a transition metal M, 25-99 wt % of a zeolite having a MFI structure and 0-74 wt % of a large pore zeolite,
| 12-31-2009 |
20100105542 | NOBLE METAL-CONTAINING TITANOSILICATE MATERIAL AND ITS PREPARATION METHOD - A noble metal-containing titanosilicate material, characterized in that said material is represented with the oxide form of xTiO | 04-29-2010 |
20100213102 | CATALYTIC CONVERSION PROCESS - A catalytic conversion process which comprises catalytic cracking reaction of a hydrocarbon feedstock contacting with a medium pore size zeolite enriched catalyst in a reactor, characterized in that reaction temperature, weight hourly space velocity and catalyst/feedstock ratio by weight are sufficient to achieve a yield of fluid catalytic cracking gas oil between 12% and 60% by weight of said feedstock, wherein said weight hourly space velocity is between 25 h | 08-26-2010 |
20100270210 | CATALYTIC CRACKING CATALYST, ITS PREPARATION AND USE - A catalyst for catalytically cracking hydrocarbon oils contains a substrate comprising alumina and a molecular sieve, characterized in that the pore distribution of said catalyst is 5-70% of the <2 nm pores, 5-70% of the 2-4 nm pores, 0-10% of the 4-6 nm pores, 20-80% of the 6-20 nm pores, and 0-40% of the 20-100 nm pores, based on the pore volume of pores having a size of no more than 100 nm. The catalyst of this invention has a large BET pore volume, a high capacity for cracking heavy oils, and a high capacity for resisting coking. | 10-28-2010 |
20100288675 | CATALYST FOR CONVERTING ACID-CONTAINING INFERIOR CRUDE OIL AND PROCESS FOR MAKING AND USING THE SAME - The present invention relates to a catalyst for converting inferior acid-containing crude oil. Based on the total amount of the catalyst, said catalyst comprises from 1 to 50 wt % of a mesopore material, from 1 to 60 wt % of molecular sieves and from 5 to 98 wt % of thermotolerant inorganic oxides and from 0 to 70 wt % of clays. Said mesopore material is an amorphous material containing alkaline earth oxide, silica and alumina, and has an anhydrous chemical formula of (0-0.3)Na | 11-18-2010 |
20100311569 | CATALYST AND A METHOD FOR CRACKING HYDROCARBONS - The invention discloses a catalyst and a method for cracking hydrocarbons. The catalyst comprises, calculated by dry basis, 10˜65 wt % ZSM-5 zeolite, 0˜60 wt % clay, 15˜60 wt % inorganic oxide binder, 0.5˜15 wt % one or more metal additives selected from the metals of Group VIIIB and 2˜25 wt % P additive, in which the metal additive, is calculated by metal oxide and the P additive is calculated by P | 12-09-2010 |
20100326888 | CATALYTIC CRACKING CATALYST HAVING A HIGHER SELECTIVITY, PROCESSING METHOD AND USE THEREOF - The present invention provides a catalytic cracking catalyst, processing method and use thereof. When the catalyst is added into a commercial catalytic cracking unit, it has an initial activity of not higher than 80, preferably not higher than 75, more preferably not higher than 70, a self-balancing time of 0.1-50 h, and an equilibrium activity of 35-60. Said method enables the activity and selectivity of the catalyst in the catalytic cracking unit to be more homogeneous and notably improves the selectivity of the catalytic cracking catalyst, so as to obviously reduce the dry gas and coke yields, to sufficiently use steam and to reduce the energy consumption of the FCC unit. | 12-30-2010 |
20110000818 | PROCESS FOR CONVERTING INFERIOR FEEDSTOCK TO HIGH QUALITY FUEL OIL - A catalytic conversion process can convert inferior feedstock to high quality fuel oil and propylene. A inferior feedstock is introduced into first and second reactor zone, wherein the feedstock carry out first step and second step reactions by contacting with catalytic conversion catalyst. Product vapors separate from spent catalyst by gas-solid separation. The spent catalyst is stripped, regenerated by burning off coke and then returns to reactor. The product vapors are introduced into separation system to obtain propylene, gasoline, diesel, fluid catalytic cracking gas oil (FGO) and other products. The FGO is introduced into hydrotreating unit and/or extraction unit to obtain hydrotreated FGO and/or extracted FGO. Said hyrotreated FGO and/or extracted FGO return to the first reactor zone and/or another catalytic cracking unit to obtain propylene and gasoline. The extracted oil of said FGO is rich in double ring aromatics which are good chemical materials. The raffinate of said FGO is rich in chain alkane and cycloalkane which are suitable for catalytic cracking. More particularly, the invention relates to a process to utilize petroleum oil resources efficiently for decreasing the yield of dry gas and coke significantly. | 01-06-2011 |
20110062054 | IMPROVED INTEGRATED PROCESS FOR HYDROGENATION AND CATALYTIC CRACKING OF HYDROCARBON OIL - Disclosed is a combination process for improved hydrotreating and catalytic cracking of hydrocarbon oils, including: contacting residual oil, catalytic cracking cycle oil, and optional distillate oil with a hydrotreating catalyst under hydrotreating conditions in the presence of hydrogen followed by separation of the reaction products to obtain gas, hydrogenated naphtha, hydrogenated diesel oil, and hydrogenated tail oil; contacting the hydrogenated tail oil and optional normal catalytic cracking feedstock oil with a cracking catalyst under catalytic cracking conditions followed by separation of the reaction products to obtain dry gas, hydrogenated naphtha, liquefied petroleum gas, catalytic cracked gasoline, catalytic cracked diesel oil, and catalytic cracking cycle oil; wherein the hydrogenated tail oil and/or normal catalytic cracking feedstock oil are separated into at least two fractions, the light and the heavy fractions or normal catalytic cracking heavy feedstock oil and normal catalytic cracking light feedstock oil, prior to contacting the hydrogenated tail oil and/or normal catalytic cracking feedstock oil with the cracking catalyst. The process according to the present invention is especially suitable for conversion of hydrocarbon oils to produce more products of gasoline or diesel oil. | 03-17-2011 |
20110139682 | CATALYST FOR UPGRADING INFERIOR ACID-CONTAINING CRUDE OIL, PROCESS FOR MANUFACTURING THE SAME, AND APPLICATION THEREOF - The present invention relates to a mesopore material of a catalyst for upgrading acid-containing crude oil. Said mesopore material is an amorphous material containing alkaline earth oxide, silica and alumina, and has an anhydrous chemical formula of (0-0.3)Na | 06-16-2011 |
20110272328 | DESULFERIZING ADSORBENT, PREPARING PROCESS AND USE THEREOF - The present invention provides an adsorbent for removing sulfur from cracking gasoline or diesel fuel. The adsorbent has excellent abrasion-resistance and desulfurization activity. The adsorbent comprises from about 5 to about 35 wt % of alumina, from about 3 to about 30 wt % of silica, from about 10 to about 80 wt % of at least one oxide of metal selected from Groups IIB and VB, from about 3 to about 30 wt % of at least one metal accelerant selected from Groups VIIB and VIII, and from about 0.5 to about 10 wt % of at least one oxide of metal selected from Groups IA and IIA, based on the total weight of the adsorbent. | 11-10-2011 |
20120292230 | CATALYST AND A METHOD FOR CRACKING HYDROCARBONS - The invention discloses a catalyst and a method for cracking hydrocarbons. The catalyst comprises, calculated by dry basis, 10˜65 wt % ZSM-5 zeolite, 0˜60 wt % clay, 15˜60 wt % inorganic oxide binder, 0.5˜15 wt % one or more metal additives selected from the metals of Group VIIIB and 2˜25 wt % P additive, in which the metal additive is calculated by metal oxide and the P additive is calculated by P | 11-22-2012 |
20130006028 | CATALYTIC CRACKING APPARATUS AND PROCESS - The present invention discloses catalytic cracking apparatus and process, which are useful for catalytic cracking of heavy oils with a high heavy oil conversion, a high propylene yield and low dry gas and coke yields. | 01-03-2013 |
20130062250 | COMBINED PROCESS OF HYDROTREATING AND CATALYTIC CRACKING OF HYDROCARBON OILS - Disclosed is a combination process for improved hydrotreating and catalytic cracking of hydrocarbon oils, including: contacting residual oil, catalytic cracking cycle oil, and optional distillate oil with a hydrotreating catalyst under hydrotreating conditions in the presence of hydrogen followed by separation of the reaction products to obtain hydrogenated tail oil and other products; contacting the hydrogenated tail oil and optional normal catalytic cracking feedstock oil with a cracking catalyst under catalytic cracking conditions followed by separation of the reaction products; wherein the hydrogenated tail oil and/or normal catalytic cracking feedstock oil are separated into at least two fractions prior to contacting the hydrogenated tail oil and/or normal catalytic cracking feedstock oil with the cracking catalyst. | 03-14-2013 |
20130253208 | CATALYST, PREPARATION METHOD THEREFOR, AND A METHOD FOR EPOXIDATING OLEFIN - The present invention provides a catalyst and the preparation process thereof and a process of epoxidising olefin using the catalyst. The catalyst contains a binder and a titanium silicate, the binder being an amorphous silica, the titanium silicate having a MFI structure, and the crystal grain of the titanium silicate having a hollow structure, with a radial length of 5-300 nm for the cavity portion of the hollow structure, wherein the adsorption capacity of benzene measured for the titanium silicate under the conditions of 25 degrees C., P/P | 09-26-2013 |
20140005032 | CATALYST CONTAINING A MODIFIED Y-TYPE ZEOLITE AND A PREPARATON PROCESS THEREOF | 01-02-2014 |
20140028950 | FRAME FOR LIQUID CRYSTAL DISPLAY MODULE - Embodiments of the present invention provide a frame for a liquid crystal display module. The frame includes at least two non-metal separate members, wherein at least one of the separate members is provided with a plurality of mounting grooves, and the separate members is provided with a coupling structure for connecting with each other. | 01-30-2014 |
20140080697 | CATALYTIC CRACKING CATALYST HAVING A RARE EARTH-CONTAINING Y ZEOLITE AND A PREPARATION PROCESS THEREOF - The present invention relates to a catalytic cracking catalyst and a preparation process thereof, the catalytic cracking catalyst has a cracking active component, an optional mesoporous aluminosilicate material, a clay and a binder, wherein said cracking active component comprises, substantially consists of or consists of: a rare earth-containing Y zeolite, an optional other Y zeolite, and an optional MFI-structured zeolite, said rare earth-containing Y zeolite has a rare earth content as rare earth oxide of 10-25 wt %, e.g. 11-23 wt %; a unit cell size of 2.440-2.472 nm, e.g. 2.450-2.470 nm; a crystallinity of 35-65%, e.g. 40-60%; a Si/Al atom ratio in the skeleton of 2.5-5.0; and a product of the ratio of the strength I | 03-20-2014 |
20140121438 | Adsorption Desulfurization Process for Hydrocarbons and a Reaction Apparatus Therefor - The present invention relates to an airflow particle sorter, comprising: a top-sealed sorter main body, a discharge port, an outtake tube and at least one directing-intake port; the inner space of the sorter main body, from the above to the bottom, includes, a straight tube zone and a cone zone, the conical bottom of the cone zone is connected to the straight tube zone; the discharge port is located at the bottom of the cone zone; the directing-intake port is installed in the upper part of the straight tube zone in a tangential direction of the straight tube zone, and is communicated with the inner space of the sorter main body; the outtake tube is hermetically inserted into the top of the sorter main body, and extends downwardly to the lower part of the straight tube zone, and the outtake tube has a sealed bottom end; the lower part of the outtake tube is installed with at least one directing-outtake port, which communicates the outtake tube with the inner space of the sorter main body, the directing-outtake port is installed in a tangential direction of the outtake tube. The present invention further relates to a fluidized bed reactor and an adsorption desulfurization reaction apparatus as well as an adsorption desulfurization process. | 05-01-2014 |
20140275673 | Process for producing light olefins and aromatics - A process for producing light olefins and aromatics, which comprises reacting a feedstock by contacting with a catalytic cracking catalyst in at least two reaction zones, wherein the reaction temperature of at least one reaction zone among the reaction zones downstream of the first reaction zone is higher than that of the first reaction zone and its weight hourly space velocity is lower than that of the first reaction zone, separating the spent catalyst from the reaction product vapor, regenerating the separated spent catalyst and returning the regenerated catalyst to the reactor, and separating the reaction product vapor to obtain the desired products, light olefins and aromatics. This process produces maximum light olefins such as propylene, ethylene, etc from heavy feedstocks, wherein the yield of propylene exceeds 20% by weight, and produces aromatics such as toluene, xylene, etc at the same time. | 09-18-2014 |
20150084037 | THIN FILM TRANSISTOR, MANUFACTURING METHOD THEREOF AND ARRAY SUBSTRATE - A thin film transistor, a manufacturing method thereof and an array substrate are provided. The thin film transistor includes: a gate electrode ( | 03-26-2015 |