479 patents
Page 2 of 24
Utility
Catalyst for Producing Dibasic Amine by Hydrogenation of Dibasic Nitrile, a Process for Preparing the Same and Use Thereof
7 Dec 23
A catalyst for producing dibasic amine by hydrogenation of dibasic nitrile contains the following components or reaction product thereof: a) an active component, wherein the active component comprises Ni and/or an oxide thereof; b) an auxiliary, wherein the auxiliary comprises one or more of Mg, Cu, Co, Zn, Zr, Mo and/or oxides thereof; C) support, wherein the relative content of α-NiO in the catalyst is less than 2.0 a.u.
Yunbao TU, Hongyuan ZONG, Zhongneng LIU, Xiaoqing XU, Xue BAI, Xu LIU, Wei FU, Yanhong WANG
Filed: 27 Oct 21
Utility
Process and apparatus for producing lower carbon olefins and BTX by catalytic pyrolysis of hydrocarbon-containing feedstock oil
7 Dec 23
A process includes: cutting a hydrocarbon-containing feedstock oil into a light distillate oil and a heavy distillate oil; introducing the light distillate oil and a first catalyst into a down-flow reactor to produce a stream; subjecting the stream to a gas-solid separation to produce a first reaction hydrocarbon product and a first spent catalyst; or, introducing the stream into a fluidized bed reactor, and then subjecting to a gas-solid separation to produce a second reaction hydrocarbon product and a second spent catalyst; introducing a continuous catalyst, the heavy distillate oil and a second catalyst into an up-flow reactor, and then subjecting to a gas-solid separation to produce a third reaction hydrocarbon product and a third spent catalyst; separating out lower carbon olefins and light aromatics from reaction hydrocarbon products, separating out a light olefin fraction, and returning the light olefin fraction to the fluidized bed reactor or the up-flow reactor.
Jianhong GONG, Xieqing WANG, Chao YANG, Xiaoli WEI, Genquan ZHU, Wenming MA, Yun CHEN
Filed: 29 Oct 21
Utility
Amination Catalyst and Preparation and Use Thereof
7 Dec 23
Disclosed is a catalyst useful for producing organic amines by catalytic amination, its preparation and application thereof, wherein the catalyst comprises an inorganic porous carrier containing aluminum and/or silicon and an active metal component supported on the carrier, the active metal component comprises at least one metal selected from the group consisting of Group VIII and Group IB metals, and the carrier has an ammonia adsorption capacity of 0.25 to 0.65 mmol/g, as measured by NH3-TPD test.
Baoliang TIAN, Guoqi TANG, Liangyu XIANG, Xiaorong ZHANG, Guoqing WANG, Hui PENG, Yi YANG, Lijun ZHANG, Chao SONG, Jianzhun JIANG, Yi MAN
Filed: 26 Oct 21
Utility
Chemical-type Hydrocracking Catalyst, Preparation Method Therefor, and Application Thereof
7 Dec 23
A chemical-type hydrocracking catalyst contains the following components: a) a β zeolite, b) a layered MWW-type zeolite with a lamellar thickness of 2-12 nm, c) a metal functional component, d) a binder, and optionally e) a metal function regulating component.
Junlin ZHENG, Xiangdong JIANG, Huanxin GAO, Cheng LI, Qi SONG, Dejin KONG
Filed: 18 Oct 21
Utility
Catalyst Granules Used In Olefin Disproportionation Reaction and Preparation Method Therefor
7 Dec 23
An integrated catalyst can be used in an olefin disproportionation reaction.
Jing DONG, Su LIU, Yangdong WANG
Filed: 19 Oct 21
Utility
Magnesium-based Solid and Catalyst Component Having Multimodal Pore Distribution, and Preparation Methods Therefor
7 Dec 23
A magnesium-based solid, by means of determination based on a nitrogen adsorption method, has a multimodal pore distribution and a specific surface area of not less than 50 m2/g, and the pore size distribution of the solid is in a range of 1 nm to 300 nm.
Wei CEN, Junling ZHOU, Meiyan FU, Lian YAN, Zhan SHI, Xiaofan ZHANG, Xianzhi XIA, Zhengyang GUO, Jigui ZHANG, Jie LIN, Lin QI, Tianyi ZHANG, Junhui ZHANG, Hui ZHAO, Yu WANG, Ying WANG
Filed: 15 Oct 21
Utility
Propylene-butene Copolymer, Preparation Method Therefor and Use Thereof
7 Dec 23
A copolymer contains, based on the total amount of structural units of the copolymer, 90-99 mol % of propylene structural units and 1-10 mol % of butene structural units.
Jin ZHAO, Junling ZHOU, Xianzhi XIA, Yuexiang LIU, Tao LIU, Yongtai LING, Weili LI, Futang GAO, Long CHEN, Yang TAN, Chunhong REN
Filed: 15 Oct 21
Utility
Polymer Having Dispersing Function, Polycarboxylic Acid Cement Dispersant, Preparation Method Therefor and Use Thereof
7 Dec 23
A polymer having a dispersing function, a preparation method therefor and use thereof as a cement dispersant are provided.
Xia MIAO, Shiming ZHOU, Haoguang WEI, Guangguo YANG, Lishuang WANG, Qichun WANG, Mu WANG, Xiaojing WANG, Min ZENG, Jian LIU, Xiaojiang LI, Xuepeng WU, Haoya LIU
Filed: 13 Aug 21
Utility
Polyacrylamide-based Symmetric Branched Polymer Surfactant and a Process for Preparing the Same and Use Thereof
7 Dec 23
Zhiqing SU, Yingcheng LI, Yanmin XIA, Hui SUN, Hui XU, Yixing ZHU, Lan WANG
Filed: 26 Oct 21
Utility
Multi-phase Combination Reaction System and Reaction Method
7 Dec 23
A multi-phase combination reaction system has at least one fixed bed hydrogenation reactor.
Meng DAI, Shicai LI, Yang LI, Dahai XU, He DING, Guang CHEN, Han ZHANG, Jiawen ZHOU
Filed: 22 Oct 21
Utility
Method and System for Treating Hydrocarbon-containing Mixture
7 Dec 23
A method for processing a hydrocarbon-containing mixture includes the steps of: I) separating the hydrocarbon-containing mixture into a light fraction and a heavy fraction; II) reacting the light fraction from step I) in an aromatization unit and separating the resulting reaction product into a C5− component and a C6+ component; III) reacting the heavy fraction from step I) and optionally the C6+ component from step II) in an aromatics conversion unit and separating the resulting reaction product into a C5− component, a C6-C7 component, a C8 component, and a C9+ component; and IV) optionally, steam cracking or catalytic cracking one or both of the C5− component from step II) and the C5− component from step III).
Jingqiu LI, Dejin KONG, Xuguang LI, Zongshuang WANG, Huaying LI
Filed: 13 Oct 21
Utility
Multi-sector Data Correction Method and System for Gamma Imaging While Drilling
7 Dec 23
A multi-sector data correction method for gamma imaging while drilling includes the steps of: (a) dividing each gamma imaging sector into a plurality of counting zones; (b) counting a number of valid counting pulses for each counting zone at a predetermined time interval during MWD; (c) constructing a plurality of measurement vectors based on a value of recording times of each counting zone; (d) establishing a correction matrix with a conditional number less than a set value through an optimization algorithm; and (e) calculating a gamma intensity of each measured sector with the plurality of measurement vectors and the correction matrix as constructed, so as to complete the correction on the measurement data of each measured sector for each predetermined time interval.
Luyang DING, Ningning YANG, Haiquan TANG, Zhen YANG, Nan LIN, Mingquan HUANG, Qinglong LIU, Quanjin YANG, Xiaolin ZHANG, Zhiyong ZHANG, Chuntian HAN, Hai MA, Xiaohui CUI, Chao LU, Xin CHENG
Filed: 15 Oct 21
Utility
Fiber Spinning Method and Spun Fibers and Use Thereof
30 Nov 23
Spun fibers and the use thereof, and a fiber spinning method.
Fanmin KONG, Yunsheng ZHAO, Pinhua YU, Ye ZHANG, Li XU, Xiaolian WU, Hao SU
Filed: 22 Oct 21
Utility
Catalytic Reaction Unit and Reactive Distillation Column
30 Nov 23
A catalytic reaction unit has a plurality of catalyst bed layers arranged vertically, each of the catalyst bed layers being filled with a solid catalyst, and an inclined surface on the upper part of the corresponding solid catalyst arranged between adjacent catalyst bed layers; a liquid phase feeding subunit arranged above the topmost catalyst bed layer, and the liquid phase feed is guided by the inclined surface to sequentially enter each catalyst bed layer from top to bottom; a gas phase feeding subunit arranged between the catalyst bed layer of an upper layer and the inclined surface of the next layer, and a gas phase channel relatively isolated from the gas phase feeding subunit.
Yuzhuo ZHAO, Tao LIU, Bingbing GUO, Xiaobing HUANG, Genhai XUAN, Tong XU, Jingjing WANG
Filed: 21 Oct 21
Utility
Iron-potassium-cerium-based Composite Oxide Catalyst, and Preparation and Application Thereof
30 Nov 23
An iron-potassium-cerium-based composite oxide catalyst, its preparation and application thereof are provided.
Lei SONG, Changxi MIAO, Min ZHU, Chunling WEI, Yongfan XU
Filed: 13 Oct 21
Utility
Amination Catalyst and Preparation and Use Thereof
30 Nov 23
Disclosed are a catalyst useful for producing organic amines by catalytic amination its preparation and application thereof, which catalyst comprising an inorganic porous carrier containing aluminum and/or silicon, and an active metal component supported on the carrier, the active metal component comprising at least one metal selected from Group VIII and Group IB metals, wherein the carrier has an L acid content of 85% or more relative to the total of the L acid and B acid contents.
Baoliang TIAN, Guoqing WANG, Hui PENG, Guoqi TANG, Liangyu XIANG, Yi YANG, Lijun ZHANG, Chao SONG, Xiaorong ZHANG, Song CHEN, Jing LIU
Filed: 26 Oct 21
Utility
Method and System for Preparing Hydrogen Peroxide
30 Nov 23
Disclosed are a method and system for producing hydrogen peroxide, the method comprising: 1) carrying out a hydrogenation reaction on a working solution containing an alkylanthraquinone in the presence of hydrogenation catalyst particles and hydrogen, separating the resultant to obtain a circulating slurry and a hydrogenated solution, and recycling the circulating slurry; 2) dividing the hydrogenated solution into two streams, and regenerating the first stream of the hydrogenated solution to obtain a regenerated hydrogenated solution; 3) contacting the second stream of the hydrogenated solution and the regenerated hydrogenated solution with an oxygen-containing gas for oxidation reaction to obtain an oxidized solution; and 4) carrying out extraction separation on the oxidized solution to obtain an extract liquor containing hydrogen peroxide and a raffinate, and recycling the raffinate.
Guohua GAO, Yanan TIAN, Keyong YANG, Baoning ZONG
Filed: 14 Oct 21
Utility
Method and System for Producing Fuel Oil and Use Thereof, and Fuel Oil and Use Thereof
30 Nov 23
A method for producing a fuel oil includes the steps of (1) bringing a sulfur-containing feedstock oil and an alkali metal into contact for a pre-reaction to obtain a pre-reaction material, wherein the pre-reaction is performed under hydrogen-free conditions; (2) bringing the pre-reaction material into contact with a hydrogen-supplying agent for a hydrogenation reaction; and (3) separating the material obtained in step (2) to obtain a liquid-phase product fuel oil and a solid mixture.
Chong PENG, Xiangchen FANG, Kai QIAO, Gang WANG
Filed: 19 Oct 21
Utility
Steerable Drilling Device
30 Nov 23
A steerable drilling device has an outer tube extending along a longitudinal axis; a drill bit joint inserted into said outer tube, a lower end of said drill bit joint extending out of a lower end of said outer tube for connection to a drill bit; a joint drive mechanism, provided in said outer tube and configured to drive said drill bit joint to swing relative to the longitudinal axis; and a lower connection mechanism.
Qingming MA, Jieran ZHU, Ningning YANG, Guangquan LI, Yufeng LI, Nan LIN, Haiquan TANG, Haiyang DU, Chao LU
Filed: 15 Oct 21
Utility
Halogen-containing compound and use thereof as catalyst ligand in ethylene oligomerization
28 Nov 23
A halogen-containing compound represented by a formula I and a use thereof as a ligand of an ethylene oligomerization catalyst composition, an ethylene oligomerization catalyst composition comprising the halogen-containing compound, and an ethylene oligomerization method, ethylene trimerization method and ethylene tetramerization method using the catalyst composition are provided.
Hongfei Wu, Mingfang Zheng, Songshuang Hu, Tonglin Li, Jun Liu, Ke Xu, Xiaoqing Wang, Feng Pan
Filed: 30 Oct 19