-
公开(公告)号：US20180188159A1
公开(公告)日：2018-07-05
申请号：US15736373
申请日：2016-06-16
Applicant: SHELL OIL COMPANY , CHINA UNIVERSITY OF PETROLEUM
Inventor： Zhichang LIU , Rui ZHANG , Xuan ZHANG , Xianghai MENG , Haiyan LIU , Chunming XU , Peter Anton August KLUSENER
IPC: G01N21/27 , G01N21/3577 , G01N21/79 , C07C2/60 , B01J31/02
CPC classification number: G01N21/272 , B01J31/0279 , B01J2231/32 , C07C2/60 , C07C2531/02 , G01N21/35 , G01N21/3577 , G01N21/79
Abstract: The present invention relates to a process for monitoring the catalytic activity of an ionic liquid and for the regeneration of the ionic liquid in continuous conversion of an olefin in an alkylation. The process includes (a) providing an ionic liquid; (b) reacting a hydrocarbon mixture with the ionic liquid to obtain an ionic liquid phase. In step (d), adding an organic compound to the ionic liquid phase. In step (e), obtaining an absorption peak of a mixture from step (d) and in step (f) repeating until the absorption peak reaches a maximum or a minimum value. In step (g), determining the total amount of the organic compound or the ionic liquid phase added. Next, (h) calculating the catalytic activity of the ionic liquid. Then, (i) adding aluminium halides to the reaction of step (b) such that the activity of step (h) stays above the minimum level.
-
公开(公告)号：US20180180555A1
公开(公告)日：2018-06-28
申请号：US15736354
申请日：2016-06-16
Applicant: SHELL OIL COMPANY , CHINA UNIVERSITY OF PETROLEUM
Inventor： Rui ZHANG , Zhichang LIU , Xuan ZHANG , Xianghai MENG , Haiyan LIU , Chunming XU , Peter Anton August KLUSENER
CPC classification number: G01N21/79 , B01J31/0279 , B01J31/0284 , B01J31/4015 , B01J2231/44 , C07C2/68 , C07C2531/02 , C10G29/205 , G01N21/35 , G01N2021/3595
Abstract: The present invention relates to a process for monitoring the catalytic activity of an ionic liquid. In step (a), providing an acidic ionic liquid; (b) providing an organic compound; (c) adding at least a portion of the organic compound to at least a portion of the ionic liquid; (d) recording an infrared spectrum of a mixture from step (c) to obtain at least one absorption peak. In step (e), repeating steps (c) and (d) until at least one absorption peak reaches a maximum value or a minimum value. In step (f), determining at the maximum value or minimum value of step (e): the total amount of the organic compound or the total amount of the ionic liquid added. In step (g), calculating the catalytic activity of the ionic liquid based on: the total amount of the organic compound or the total amount of ionic liquid, as determined in step (f).
-
公开(公告)号：US20170320047A1
公开(公告)日：2017-11-09
申请号：US15520484
申请日：2015-10-22
Applicant: SHELL OIL COMPANY , SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. , CHINA UNIVERSITY OF PETROLEUM (BEIJING)
Inventor： Rui ZHANG , Zhichang LIU , Xianghai MENG , Chunming XU
CPC classification number: B01J31/0279 , B01J31/0278 , B01J31/30 , B01J2231/32 , B01J2531/007 , C07C2/60 , C07C2527/122 , C07C2527/126 , C07C2531/02 , C10G29/205 , C10G2300/1081 , C07C9/21
Abstract: The present invention provides a process to prepare a composite ionic liquid, the process at least comprising the steps: (a) mixing an ammonium salt and a solid aluminium salt to obtain a first mixture; (b) stirring under heating the first mixture of step (a); (c) adding to the first mixture of step (b) one or more solid metal salts to obtain a second mixture, wherein the metal salts are selected from halides, sulfates, or nitrates of aluminium, gallium, copper, iron, zinc, nickel, cobalt, molybdenum and platinum; (d) stirring under heating the second mixture of step (c); (e) adding to the second mixture of step (d) a hydrocarbon to obtain a third mixture; (f) stirring under heating the third mixture of step (e) until the solids of the aluminium salt of step (a), and the solids of the metal salts of step (c) disappear and the mixture is converted into a composite ionic liquid; and (g) cooling the composite ionic liquid of step (f).
-
4.发明申请公开(公告)号：US20150315103A1
公开(公告)日：2015-11-05
申请号：US14651405
申请日：2013-12-13
Applicant: SHELL OIL COMPANY , CHINA UNIVERSITY OF PETROLEUM
Inventor： Peter Anton August KLUSENER , Zhichang LIU , Xianghai MENG , Rui Zhang , Jan DE WITH , Chunming XU
CPC classification number: C07C7/005 , C07C2/58 , C07C2521/02 , C07C2523/72 , C07C2527/10 , C07C2527/126 , C07C2531/02 , C10G29/205 , C10G31/09 , C10G31/10 , C10G2300/1088 , C10G2400/02 , Y02P20/542 , C07C9/16 , C07C9/21
Abstract: The present invention relates to a process for preparing alkylate comprising the subsequent steps (a), (b) and (c): (a) an alkylation step, wherein in a reaction zone a hydrocarbon mixture comprising at least an isoparaffin and an olefin is reacted with an ionic liquid catalyst to obtain an effluent comprising alkylate and solids, which latter are formed as side products in the alkylation step; (b) a separation step, wherein at least part of the alkylate-comprising effluent coming from the reaction zone is separated in a separator unit into a hydrocarbon-rich phase and an ionic liquid catalyst-rich phase which latter phase also comprises solids formed as side products during the alkylation reaction; and (c) a solids removal step, wherein the solids in ionic liquid catalyst-rich phase are separated from the ionic liquid catalyst using a suitable separating device; wherein the process further comprises a step following the separation step (b) and prior to the solids removal step (c).
Abstract translation: 本发明涉及一种制备烷基化物的方法，其包括随后的步骤（a），（b）和（c）：（a）烷基化步骤，其中在反应区中至少包含异链烷烃和烯烃的烃混合物为 与离子液体催化剂反应以获得包含烷基化物和固体的流出物，其在烷基化步骤中形成为副产物; （b）分离步骤，其中来自反应区的至少部分含烷基化物的流出物在分离器单元中分离成富烃阶段和富含离子液体催化剂的相，其后相还包含固体形成为 在烷基化反应过程中产生副产物; 和（c）固体去除步骤，其中离子液体富含催化剂相的固体使用合适的分离装置与离子液体催化剂分离; 其中所述方法还包括在分离步骤（b）之后并且在固体除去步骤（c）之前的步骤。
-
Patent Agency Ranking
公开(公告)号：US20210354118A1
公开(公告)日：2021-11-18
申请号：US17390123
申请日：2021-07-30
Applicant: CHINA UNIVERSITY OF PETROLEUM-BEIJING
Inventor： Liang ZHAO , Jinsen GAO , Butian XIA , Lixia DONG , Jingye CHEN , Yuhao ZHANG , Chunming XU
Abstract: 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.
-
公开(公告)号：US20240109056A1
公开(公告)日：2024-04-04
申请号：US18156979
申请日：2023-01-19
Applicant: China University of Petroleum - Beijing
Inventor： Tao ZHENG , Rui ZHANG , Zhichang LIU , Haiyan LIU , Xianghai MENG , Chunming XU
Abstract: The present disclosure provides a composite ionic liquid and a preparation method and a use thereof. A first aspect of the present disclosure provides a preparation method of a composite ionic liquid, where an ammonium salt, a first metal salt, a second metal salt, and a third metal salt are sequentially added into a reactor for performing a reaction under different conditions, and the composite ionic liquid is obtained after the reaction is finished. The composite ionic liquid prepared by the method may be used as a catalyst to catalyze an alkylation reaction of isoparaffin with C4 olefin to obtain alkylated oil, which has the advantages of high catalytic activity, long catalytic life, low consumption, and better distribution of the resulting alkylated oil, etc, and thereby significantly reducing the production costs and improving the quality of the resulted alkylated oil.
-
公开(公告)号：US20210354119A1
公开(公告)日：2021-11-18
申请号：US17390820
申请日：2021-07-30
Applicant: CHINA UNIVERSITY OF PETROLEUM-BEIJING
Inventor： Liang ZHAO , Jinsen GAO , Butian XIA , Lixia DONG , Jingye CHEN , Yuhao ZHANG , Chunming XU
Abstract: 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.
-
公开(公告)号：US20240052247A1
公开(公告)日：2024-02-15
申请号：US18382750
申请日：2023-10-23
Applicant: China University of Petroleum-Beijing , Beijing Carbon Zero Hydrogen Electric Technology Co., Ltd.
Inventor： Hongjun ZHOU , Quangui WU , Hongmei SONG , Fengyun BI , Enze ZHOU , Guanglin ZHOU , Chunming XU
Abstract: The present invention provides a method of steam cracking using electricity to supply energy. This method is to provide energy for steam cracking reaction of a cracking raw material by electromagnetic induction with electricity; the cracking raw material comprises one or more of naphtha, cycloalkane and cycloolefin; wherein the cycloalkane is a C4-C8 cycloalkane, and the cycloolefin is a C4-C8 cycloolefin. The present invention utilizes electricity to provide energy for the steam cracking reaction through an electromagnetic coil, which is a new use of electricity and solve the current problem of excess electricity. Moreover, utilizing the electromagnetic coil to provide power can make the heat distribution in the furnace tube of the cracking furnace more uniform, and it is easier to control the reaction temperature and the progress of the reaction.
-
9.发明公开公开(公告)号：US20240017232A1
公开(公告)日：2024-01-18
申请号：US18354111
申请日：2023-07-18
Applicant: China University of Petroleum-Beijing
Inventor： Mengxi LIU , Chunxi LU , Chunming XU , Guiyuan JIANG , Jian LI
CPC classification number: B01J8/26 , B01J8/24 , B01J8/0015 , B01J8/005 , B01D45/16 , B01D45/04 , B01D3/38 , B01J2208/00769 , B01J2208/00893
Abstract: A coupled fluidized beds reactor-regenerator apparatus for catalytic dehydrogenation of propane. The fluidized bed reactor comprising a raw material delivery system, a pre-rising system, a reaction system, a gas-solid separation system and an internal circulation pipeline, the reaction system includes a conical riser and a turbulent bed reactor; the raw material delivery system, the pre-rising system, the conical riser, the turbulent bed reactor, and the gas-solid separation system are consecutively connected in this order from bottom to top; the bottom outlet of the gas-solid separation system is connected to the inlet of the internal circulation pipeline, and the outlet of the internal circulation pipeline is connected to the raw material delivery system and/or the reaction system. The coupled fluidized beds reactor-regenerator apparatus for catalytic dehydrogenation of propane includes the fluidized bed reactor, a gas-solid airlift loop regenerator, a recirculation inclined pipe and a regeneration inclined pipe.
-
-
-
-
-
-
-
-
Search Results
9
records
(took 0.033 seconds)
