Abstract: 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 ?<0.5, wherein ?=(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.

Abstract: Methods for determining the risk of developing acute renal failure in a human subject by measuring human neutrophil gelatinase-associated lipocalin (NGAL) are provided.

Abstract: 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.

Abstract: The present invention relates to a catalyst for catalytic cracking fluidized-bed, and the technical problems to be primarily solved by the present invention are high reaction temperature, low cryogenic activity of catalysts and worse selectivity during the preparation of ethylene-propylene by catalytically cracking naphtha. The present invention uses the composition having the chemical formula (on the basis of the atom ratio): AaBbPcOx, so as to magnificently solve said problems. The present invention therefore can be industrially used to produce ethylene and propylene by catalytically cracking naphtha.

Abstract: The Ring Rack Oil Pumping Machine is comprised of: a base, a frame mounted on the base, a roller mounted at the frame top, a sprocket case connects to the middle of the frame; a input shaft having a lower sprocket and a drive shaft having an upper sprocket are installed at the bottom and top of the sprocket case respectively, the upper sprocket and lower sprocket are connected by a chain; a guide wheel, track gear and centralizer wheel are mounted in sequence on the end of the drive shaft extended out of the sprocket case; the track gear meshes with a rack, a slide rail is mounted with the frame, and a sliding base (21) connected with the slide rail (20) moveably. Comparing to currently using pumping units, this invention features simple structure, high safety and reliability, upgraded efficiency, easy maintenance, smooth running and high durability.

Abstract: A process for the catalytic conversion of hydrocarbons, said process comprising the following steps: a feedstock of hydrocarbons is contacted with a hydrocarbon-converting catalyst to conduct a catalytic cracking reaction in a reactor, then the reaction products are taken from said reactor and fractionated to give light olefins, gasoline, diesel, heavy oil and other saturated hydrocarbons with low molecular weight, wherein said hydrocarbon-converting catalyst 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, wherein the anhydrous chemical formula of the zeolite beta modified with phosphorus and the transition metal M is represented in the mass percent

Abstract: The present invention relates to a process for producing a binder-free ZSM-5 zeolite in small crystal size. The invention is primarily used for solving the problems in the practical application, e.g., the zeolite powder is difficult to be recovered and easily inactivates and aggregates, and the addition of the binder in the shaping process will result in the reduction of effective surface areas and introduce the diffusional limitation. Said problems are better solved in the present invention by using diatomite or silica aerogel as the main starting material, adding a seed crystal orienting agent, a silica sol and sodium silicate for kneading and shaping, and then converting to integrative ZSM-5 in small crystal size by vapor-solid phase crystallization with organic amine and water vapor. Said process can be used in the industrial preparation of ZSM-5 molecular sieve catalyst in small crystal size.

Abstract: The present invention relates to an organosilicon porous zeolite, preparation of the same, and use of the same. The organosilicon porous zeolite of the invention has the following composition on molar basis: (1/n)Al2O3:SiO(2-m/2):mR:xM, wherein n=5 to 1000, m=0.001 to 1, x=0.005 to 2, R is at least one selected from the group consisting of alkyl, alkenyl and phenyl and connected to a silicon atom in the framework of the zeolite, and M is an organic amine templating agent, wherein a solid Si29NMR spectrum of the zeolite has at least one Si29 nuclear magnetic resonance peak in the range of from ?80 to +50 ppm, and wherein a X-ray diffraction pattern of the zeolite exhibits diffraction peaks corresponding to d-spacing of 12.4±0.2, 11.0±0.3, 9.3±0.3, 6.8±0.2, 6.1±0.2, 5.5±0.2, 4.4±0.2, 4.0±0.2 and 3.4±0.1 ?. The porous zeolite can be used as an adsorbent or as a component of a catalyst for the conversion of an organic compound.

Abstract: The present invention relates to an organic molybdenum additive and its preparation method, and a lubricating composition comprising said additive, and use of said additive and its lubricating composition in the aspect of improving antiwear and antifriction property of oil products. The organic molybdenum additive according to the present invention is characterized in that it is prepared by reacting several kinds of feedstock as follows: a polylol ester of p-hydroxybenzene alkyl acid, an inorganic molybdenum compound and an aliphatic amine and/or an aromatic amine and/or an amide. The organic molybdenum additive of the present invention has excellent antiwear and/or antifriction property.

Abstract: 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.

Abstract: The present invention provides a process for producing lower olefins. The technical problem mainly addressed in the present invention is to overcome the defects presented in the prior art including high reaction pressure, high reaction temperature, low yield and selectivity of lower olefins as the target products, poor stability and short life of catalyst, and limited suitable feedstocks. The present process, which is carried out under the conditions of catalytic cracking olefins and adopts as a feedstock an olefins-enriched mixture containing one or more C4 or higher olefins and optionally an organic oxygenate compound, comprises the steps of: a) letting the feedstock contact with a crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a reaction effluent containing lower olefins; and b) separating lower olefins from the reaction effluent; wherein, the reaction pressure is from ?0.1 MPa to <0 MPa.

Abstract: The invention discloses a rare-earth Y-zeolite-containing catalyst for cracking hydrocarbons and a method for preparing the same. The catalyst is characterized in that the rare-earth content in crystal lattice of the rare-earth Y-zeolite, calculated in RE2O3, is from 4 to 15% by weight, the original unit cell size is from 2.440 nm to 2.465 nm and the equilibrium unit cell size after 100% steam-aging treatment at 800° C. for 17 hours is larger than 2.435 nm. The catalyst is obtained in the following steps: the rare-earth Y-zeolite is dried first till its water content less than 10% by weight, then in a weight ratio of SiCl4:Y-zeolite=0.1˜0.9:1, reacts with SiCl4 gas carried by dry air, further is purged by dry air and washed by decationized water to remove the soluble by-products; the resulted rare-earth Y-zeolite is mixed with a binder and a clay, pulped and formed by spary drying.

Abstract: The present invention relates to a process for the manufacture of catalysts used for producing para-xylene by toluene shape selective alkylation. The invention is primarily used for solving the problems in the old technology, e.g., high requirements on the environment and great treatment of waste water containing organic amines when synthesizing ZSM-5 molecular sieves by using an organic amine as the template agent; small and non-homogeneous particles of the molecular sieves when synthesizing ZSM-5 molecular sieves by using an alcohol or ether as the template agent, such that the catalyst prepared thereby has low catalytic selectivity and low toluene conversion rate, etc. Said problems are better solved in the present invention by synthesizing ZSM-5 molecular sieves using the combination of organic amines and alcohols or ethers as the template agents (having a weight ratio of organic amines/alcohols=0.05-150, and organic amines/ethers=0.05-150), and modifying with organosilicon so as to obtain the catalysts.

Abstract: A molecular sieve-containing catalyst for cracking hydrocarbons, comprising molecular sieve, refractory inorganic oxide, clay and a metal component, wherein the amount of said molecular sieve is from 1 to 90% by weight, the refractory inorganic oxide is from 2 to 80% by weight, the clay is from 2 to 80% by weight, and the metal component is from 0.1 to 30% by weight, calculated as the oxide of said metal having its maximum valence state, based on the total amount of the catalyst, wherein said metal component exists essentially in a reduction state and is one or more metals selected from the group consisting of metals of Group IIIA (other than aluminum), and metals of Group IVA, VA, IB, IIB, VB, VIB and VIIB, and non-noble metals of Group VIII of the periodic table. The catalyst has higher cracking activity and higher sulfur reduction activity.

Abstract: The present invention provides a catalyst comprising metallic Pt and/or Pd supported on a binder-free zeolite for producing light aromatic hydrocarbons and light alkanes from hydrocarbonaceous feedstock, wherein the amount of metallic Pt and/or Pd is of 0.01-0.8 wt %, preferably 0.01-0.5 wt % on the basis of the total weight of the catalyst, and the binder-free zeolite is selected from the group consisting of mordenite, beta zeolite, Y zeolite, ZSM-5, ZSM-11 and composite or cocrystal zeolite thereof. The present invention also provides a process for producing light aromatic hydrocarbons and light alkanes from hydrocarbonaceous feedstock using said catalyst.

Abstract: 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.

Abstract: 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 P2O5. The method for cracking hydrocarbons using this catalyst increases the yield of FCC liquefied petroleum gas (LPG) and the octane number of FCC gasoline, as well as it increases the concentration of propylene in LPG dramatically.

Abstract: A cracking catalyst, which contains alumina, phosphorus and molecular sieve, with or without clay, wherein said alumina is ?-alumina or a mixture of ?-alumina and ?-alumina and/or ?-alumina, and wherein the catalyst contains, on the basis of the total amount of the catalyst, 0.5-50 wt % of ?-alumina, 0-50 wt % of ?-alumina and/or ?-alumina, 10-70 wt % of molecular sieve, 0-75 wt % of clay, and 0.1-8 wt % of phosphorus, measured as P2O5. The catalyst not only has higher cracking activity and higher cracking ability for cracking heavy oil, but also improves significantly quality and yield of gasoline, LCO and LPG in cracking products.

Abstract: 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 RE2O3; the original unit cell size is 2.440-2.465 nm; the equilibrium unit cell size of the catalyst after 100% stream-aging at 800° C. for 17 hours is larger than 2.435 nm; the rare-earth atom content in the support is 1.0-8.0 wt % of the support. The present invention also relates to a preparation process for the same catalyst.

Abstract: The present invention relates to a process for carrying our gas-liquid countercurrent processing comprising passing the liquid material and the gas reactant in countercurrent flow through the fixed bed of catalyst in a reactor, characterized in that the fixed bed of catalyst includes two or more catalyst layers, with the difference of voidage between the adjacent catalyst layers being at least 0.05. The voidages of the catalyst layers can be increased or decreased in the direction of the flow of the liquid phase. The process of the invention can be effected with an increased range of gas-liquid ratio and an improved stability and flexibility.