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1. 发明授权

US11097263B2 Aromatization catalyst, preparation method, regeneration method thereof, and aromatization method 有权
公开(公告)号：US11097263B2
公开(公告)日：2021-08-24
申请号：US16557968
申请日：2019-08-30
申请人： CHINA UNIVERSITY OF PETROLEUM—BEIJING
发明人： Liang Zhao , Jinsen Gao , Tianzhen Hao , Lixia Dong , Di Gao , Xiaoyu Wu , Xiaoqin Wang , Liyuan Cao , Chunming Xu
IPC分类号： B01J29/40 , B01J37/02 , B01J37/00 , B01J37/10 , B01J37/30 , B01J29/064 , B01J29/076 , B01J29/06 , B01J29/068 , B01J29/072 , B01J29/42 , B01J29/83 , B01J29/85 , B01J29/84 , B01J29/44 , B01J29/46 , B01J29/48 , B01J35/00 , B01J35/10 , B01J35/02 , B01J37/28 , C10G45/64 , C10G35/095 , C10G45/68
摘要： The present disclosure provides an aromatization catalyst, a preparation method, a regeneration method and an aromatization method thereof. The preparation method comprises steps of: mixing a zeolite molecular sieve with a binder to obtain a catalyst precursor; the catalyst precursor is successively subjected to an ion exchange modification and a first modification treatment, and then subjected to a hydrothermal treatment, and further subjected to active metal loading and a second modification treatment, to obtain the aromatization catalyst. The aromatization catalyst has good carbon deposition resistance and high aromatization activity, and enables an aromatization reaction to be completed under mild conditions, and has high aromatic selectivity, and the liquid yield is above 98.5%.

2. 发明授权

US10822242B2 ZSM-35 molecular sieve and preparation method thereof 有权
公开(公告)号：US10822242B2
公开(公告)日：2020-11-03
申请号：US16525503
申请日：2019-07-29
申请人： CHINA UNIVERSITY OF PETROLEUM—BEIJING
发明人： Haiyan Liu , Tao Zheng , Zhichang Liu , Xianghai Meng , Rui Zhang , Chunming Xu
IPC分类号： C01B39/44 , B01J29/65 , B01J35/00
摘要： The present application provides a ZSM-35 molecular sieve and a preparation method thereof. The ZSM-35 molecular sieve is an aggregated ZSM-35 molecular sieve having a hierarchical macro-meso-microporous pore structure. Raw materials for the preparation method do not include an organic template agent and a crystal seed, and the preparation method includes the following steps: preparing a reactant gel where a molar ratio of SiO2, Al2O3, Na2O, K2O, oxygen-containing acid radical and H2O is (20-40):1.0:(1.5-2.0):(4.0-6.5):(1.0-4.0):(600-1200); sequentially performing an aging treatment and a crystallization treatment on the reactant gel, washing and drying a resulting synthetic product. The ZSM-35 molecular sieve provided by the present application may be obtained by synthesizing without using an organic template agent and crystal seed, and because it has a hierarchical pore structure, it is favorable for material diffusion and mass transfer.

3. 发明授权

US12115522B2 In situ bifunctional catalyst for deep desulfurization and increasing octane number of gasoline and preparation method thereof 有权
公开(公告)号：US12115522B2
公开(公告)日：2024-10-15
申请号：US17390123
申请日：2021-07-30
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING
发明人： Liang Zhao , Jinsen Gao , Butian Xia , Lixia Dong , Jingye Chen , Yuhao Zhang , Chunming Xu
IPC分类号： B01J29/40 , B01J21/04 , B01J23/10 , B01J29/70 , B01J35/00 , B01J37/02 , B01J37/04 , B01J37/08 , C10G45/12
CPC分类号： B01J29/405 , B01J21/04 , B01J23/10 , B01J29/40 , B01J29/70 , B01J35/19 , B01J37/0201 , B01J37/0207 , B01J37/04 , B01J37/082 , C10G45/12 , B01J2229/18 , B01J2229/20 , C10G2300/104 , C10G2300/202 , C10G2300/4006 , C10G2300/4012 , C10G2300/4018 , C10G2300/70 , C10G2400/02
摘要： Provided are an in situ bifunctional catalyst for deep desulfurization and increasing octane number of gasoline, and its preparation method and application. The bifunctional catalyst includes a modified catalyst carrier and a loaded active metal, where the modified catalyst carrier is a composite carrier prepared through mixing γ-Al2O3 and an acidic molecular sieve by a binder and calcining. When the bifunctional catalyst provided by the present application is used for hydrodesulfurization of gasolines, deep desulfurization, olefin reduction and octane number preservation can be realized simultaneously, thereby obtaining a high-quality oil product.

4. 发明授权

US11998899B2 Bifunctional catalyst for deep desulfurization and gasoline quality improvement and preparation method therefor 有权
公开(公告)号：US11998899B2
公开(公告)日：2024-06-04
申请号：US17390820
申请日：2021-07-30
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING
发明人： Liang Zhao , Jinsen Gao , Butian Xia , Lixia Dong , Jingye Chen , Yuhao Zhang , Chunming Xu
IPC分类号： B01J29/40 , B01J21/04 , B01J23/10 , B01J29/70 , B01J35/00 , B01J37/02 , B01J37/04 , B01J37/08 , C10G45/12
CPC分类号： B01J29/405 , B01J21/04 , B01J23/10 , B01J29/40 , B01J29/70 , B01J35/19 , B01J37/0201 , B01J37/0207 , B01J37/04 , B01J37/082 , C10G45/12 , B01J2229/18 , B01J2229/20 , C10G2300/104 , C10G2300/202 , C10G2300/4006 , C10G2300/4012 , C10G2300/4018 , C10G2300/70 , C10G2400/02
摘要： Provided are a bifunctional catalyst for deep desulfurization and gasoline quality improvement and a preparation method therefore and a use thereof. The bifunctional catalyst includes a modified catalyst and a loaded active metal, where the modified catalyst carrier is a γ-Al2O3 modified with a rare earth element, or the modified catalyst carrier is a composite carrier prepared by mixing and calcinating γ-Al2O3 and an acid molecular sieve through a binder, and then modifying with the rare earth element. The bifunctional catalyst for deep desulfurization and gasoline quality improvement can achieve deep desulfurization of high-sulfur fluid catalytic cracking gasoline, and ensure no significant loss of octane number under relatively mild conditions.

5. 发明授权

US09725658B2 Method of processing low-grade heavy oil 有权
公开(公告)号：US09725658B2
公开(公告)日：2017-08-08
申请号：US14296387
申请日：2014-06-04
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING , CHINA NATIONAL PETROLEUM CORPORATION
发明人： Gang Wang , Jinsen Gao , Chunming Xu , Baojian Shen , Hongliang Wang
IPC分类号： C10G11/18 , C10G11/02 , C10G11/04
CPC分类号： C10G11/18 , C10G11/02 , C10G11/04 , C10G2300/107 , C10G2300/1077 , C10G2400/02 , C10G2400/04 , C10G2400/30
摘要： The present invention provides a method for processing low-grade heavy oil, comprising: providing a riser-bed reactor; preheating the low-grade heavy oil and injecting it into the riser reactor to react with solid catalyst particles at the temperature of 550-610° C.; oil-gas, after reacting with the solid catalyst particles in the riser reactor, being introduced into the fluidized bed reactor to continue to react at temperature of 440-520° C. and weight hourly space velocity of 0.5-5 h−1; and the oil-gas, after reacting in the fluidized bed reactor, being separated from coked solid catalyst particles carried therein, and the separated oil-gas being introduced into a fractionation system. The method can effectively remove carbon residues, heavy metals, asphaltenes and other impurities from the low-grade heavy oil, and obtain high liquid product yield in a simple process.

6. 发明授权

US09290706B2 Integrated process for upgrading heavy oil 有权
标题翻译：重油升级整合流程
公开(公告)号：US09290706B2
公开(公告)日：2016-03-22
申请号：US13851802
申请日：2013-03-27
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING
发明人： Suoqi Zhao , Xuewen Sun , Zhiming Xu , Chunming Xu , Keng H. Chung
IPC分类号： C10G55/04 , C10G69/06 , C10G21/00 , C10G21/14 , C10G53/02 , C10G53/04 , C10G67/04
CPC分类号： C10G55/04 , C10G21/003 , C10G21/14 , C10G69/06 , C10G2300/206 , C10G2300/4081 , C10G2300/44
摘要： The invention provides an integrated process for processing heavy oil, wherein the integrated process at least comprises: solvent deasphalting is carried out for heavy oil material, and de-oiled asphalt phase is mixed with dispersing agent and then entered a thermal cracking reactor to undergo thermal cracking reactions. Upgraded oil can be obtained through the mixture of the de-asphalted oil and thermal cracking oil separated from thermal cracking reaction products. The solvent and heavy gas oil, which are separated from the thermal cracking reaction products, are respectively recycled back to the solvent deasphalting process as solvent and as mixed feed to remove asphaltene. The integrated process of the present invention solves the problems that solvent is difficult to be separated from asphalt with high softening point in solvent deasphalting process and hard asphalt is difficult to be transported.
摘要翻译：本发明提供了一种加工重油的综合方法，其中一体化方法至少包括：对重油材料进行溶剂脱沥青，脱油沥青相与分散剂混合，然后进入热裂解反应器进行热处理开裂反应。通过从热裂解反应产物中分离的脱沥青油和热裂解油的混合物可以获得升级的油。与热裂解反应产物分离的溶剂和重质瓦斯油分别作为溶剂和混合进料循环回到溶剂脱沥青法中以除去沥青质。本发明的一体化方法解决了在溶剂脱沥青工艺中溶剂难以与高软化点的沥青分离的困难，难以运输硬沥青的问题。

7. 发明授权

US10266778B2 Method for upgrading fluid catalytic cracking gasoline 有权
公开(公告)号：US10266778B2
公开(公告)日：2019-04-23
申请号：US14940027
申请日：2015-11-12
申请人： CHINA UNIVERSITY OF PETROLEUM—BEIJING
发明人： Jinsen Gao , Liang Zhao , Chunming Xu , Tianzhen Hao , Xiaona Han
IPC分类号： C10G67/02 , C10G67/06 , C10G67/00 , C10L1/06 , C10G21/16 , C10G21/27 , C10G25/00 , C10G45/08 , C10G45/64 , C10G45/68 , C10G67/04 , C10G69/00 , C10G69/04
摘要： A method for upgrading fluid catalytic cracking gasoline includes the following steps: cutting fluid catalytic cracking gasoline into light, medium, and heavy gasoline fractions; subjecting the medium gasoline fraction to an aromatization/hydroisomerization reaction in the presence of a catalyst to obtain a desulfurized medium gasoline fraction; and blending the light gasoline fraction, the desulfurized medium gasoline fraction and the heavy gasoline fraction to obtain upgraded gasoline; where, a cutting temperature of the light and the medium gasoline fractions is 35-60° C., and a cutting temperature of the medium and the heavy gasoline fractions is 70-160° C. The method according to the present invention not only can realize deep desulfurization of fluid catalytic cracking gasoline, but also can improve octane number significantly.

8. 发明授权

US09683183B2 Method for deep desulfurization of gasoline 有权
公开(公告)号：US09683183B2
公开(公告)日：2017-06-20
申请号：US14929247
申请日：2015-10-30
申请人： CHINA UNIVERSITY OF PETROLEUM—BEIJING
发明人： Liang Zhao , Jinsen Gao , Chunming Xu , Tianzhen Hao , Xiaona Han
IPC分类号： C10G67/16 , C10G67/00 , C10G25/12 , C10G45/08 , C10G45/12 , C10G25/00 , B01J20/04 , B01J20/18 , B01J20/20 , B01J20/30 , B01J20/32
CPC分类号： C10G67/16 , B01J20/04 , B01J20/18 , B01J20/20 , B01J20/3071 , B01J20/3078 , B01J20/3085 , B01J20/3204 , B01J20/3236 , B01J2220/42 , C10G25/003 , C10G25/12 , C10G45/08 , C10G45/12 , C10G67/00 , C10G2300/202 , C10G2400/02
摘要： The present invention provides a method for deep desulfurization of gasoline. The method includes steps of: cutting a gasoline feedstock into light, medium, and heavy gasoline fractions; the medium gasoline fraction being subjected to adsorption desulfurization to obtain a desulfurized medium gasoline fraction; the heavy gasoline fraction being subjected to selective hydrodesulfurization to obtain a desulfurized heavy gasoline fraction; mixing the light gasoline fraction with the desulfurized medium gasoline fraction and the desulfurized heavy gasoline fraction to obtain a desulfurized gasoline, where, a cutting temperature of the light and the medium gasoline fractions is 35-60° C., a cutting temperature of the medium and the heavy gasoline fractions is 70-130° C. The method according to the present invention not only can realize deep desulfurization of gasoline, but also has a less loss of octane number.

9. 发明授权

US11634334B2 Method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method 有权
公开(公告)号：US11634334B2
公开(公告)日：2023-04-25
申请号：US17037409
申请日：2020-09-29
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING
发明人： Tao Zheng , Haiyan Liu , Zhichang Liu , Xianghai Meng , Rui Zhang , Chunming Xu
IPC分类号： C01B39/44
摘要： The present disclosure provides a method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method, a natural aluminosilicate clay mineral treated and activated by an alkali is used as a crystal seed for synthesis of the aluminosilicate molecular sieve, and the target molecular sieve product is synthesized by hydrothermal crystallization, wherein the synthesis process does not require addition of conventional crystal seeds of a molecular sieve or use of any organic template agent, thus the synthesized product does not require a calcination process to remove the template agent. The method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method can meet the requirements of both crystallinity and nucleation time, and greatly reduce costs of synthesizing the aluminosilicate molecular sieve, and reduce the environmental pollution caused by removal of the template agent by calcinating.

10. 发明授权

US11426702B2 Method and system for treatment of spent chloroaluminate ionic liquid catalyst and alkaline wastewater 有权
公开(公告)号：US11426702B2
公开(公告)日：2022-08-30
申请号：US17006723
申请日：2020-08-28
申请人： CHINA UNIVERSITY OF PETROLEUM-BEIJING
发明人： Chunmao Chen , Zhichang Liu , Zhongjin Yi , Rui Zhang , Jiahao Liang , Xianghai Meng , Haiyan Liu , Chunming Xu , Qinghong Wang
IPC分类号： C02F9/00 , C02F11/122 , C04B5/00 , C02F11/16 , B01J19/20 , C02F11/13 , C10G53/04 , C02F11/12 , C02F1/52 , C02F1/56 , C02F1/66 , C02F11/127 , C02F1/00 , C02F103/36 , C02F11/121
摘要： A method and a system for treatment of a spent chloroaluminate ionic liquid catalyst and an alkaline wastewater, where the method includes: 1) mixing the catalyst with a concentrated brine for hydrolysis reaction until residual activity of the catalyst is completely eliminated, to obtain an acidic hydrolysate and an acid-soluble oil; 2) mixing the acidic hydrolysate with an alkaline solution containing the alkaline wastewater for neutralization reaction until this reaction system becomes weak alkaline, to obtain a neutralization solution; 3) fully mixing the neutralization solution with a flocculant, carrying out sedimentation and separation, collecting the concentrated brine at an upper layer for reuse in the hydrolysis reaction, and collecting concentrated flocs at a lower layer; 4) dehydrating the concentrated flocs to obtain concentrated brine for reuse into the hydrolysis reaction, and collecting a wet solid slag; and 5) drying the wet solid slag to obtain a dry solid slag.

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