公开(公告)号：US10266778B2

公开(公告)日：2019-04-23

申请号：US14940027

申请日：2015-11-12

Applicant: CHINA UNIVERSITY OF PETROLEUM—BEIJING

Inventor： Jinsen Gao ,  Liang Zhao ,  Chunming Xu ,  Tianzhen Hao ,  Xiaona Han

IPC: 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

Abstract: 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.

公开(公告)号：US09683183B2

公开(公告)日：2017-06-20

申请号：US14929247

申请日：2015-10-30

Applicant: CHINA UNIVERSITY OF PETROLEUM—BEIJING

Inventor： Liang Zhao ,  Jinsen Gao ,  Chunming Xu ,  Tianzhen Hao ,  Xiaona Han

IPC: C10G67/16 ,  C10G67/00 ,  C10G25/12 ,  C10G45/08 ,  C10G45/12 ,  C10G25/00 ,  B01J20/04 ,  B01J20/18 ,  B01J20/20 ,  B01J20/30 ,  B01J20/32

CPC classification number: 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

Abstract: 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.

公开(公告)号：US12115522B2

公开(公告)日：2024-10-15

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

IPC: B01J29/40 ,  B01J21/04 ,  B01J23/10 ,  B01J29/70 ,  B01J35/00 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  C10G45/12

CPC classification number: 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

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：US11998899B2

公开(公告)日：2024-06-04

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

IPC: B01J29/40 ,  B01J21/04 ,  B01J23/10 ,  B01J29/70 ,  B01J35/00 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  C10G45/12

CPC classification number: 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

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：US20150210941A1

公开(公告)日：2015-07-30

申请号：US14684196

申请日：2015-04-10

Applicant: TIANZHEN HAO ,  CHINA UNIVERSITY OF PETROLEUM - BEIJING

Inventor： TIANZHEN HAO ,  Jinsen Gao ,  Dezhong Li ,  Liang Zhao ,  Zhiyuan Lu ,  Xingying Lan

IPC: C10G67/04 ,  C10G21/16 ,  C10G21/22

CPC classification number: C10G67/04 ,  C10G21/14 ,  C10G21/16 ,  C10G21/20 ,  C10G21/22 ,  C10G21/28 ,  C10G53/16 ,  C10G67/16 ,  C10G2300/202 ,  C10G2400/02

Abstract: The present invention provides a process for desulfurizing gasoline fraction by solvent extraction: introducing the gasoline fraction into an extraction tower at a lower-middle part thereof, introducing a solvent into the extraction tower at the top thereof, injecting saturated C5 hydrocarbon into a reflux device at the bottom of the extraction tower, wherein the gasoline fraction which is desulfurized flows out from the top of the extraction tower; the solvent that has extracted sulfide, aromatics and C5 hydrocarbon flows out from the bottom of the extraction tower, and is separated into a C5 hydrocarbon-containing light component, a sulfur-rich component, water and the solvent. The present invention also provides a process for deeply desulfurizing catalytic cracking gasoline, which flexibly combines the process described above and an existing desulfurization technology.

Abstract translation: 本发明提供了一种通过溶剂萃取法将汽油馏分脱硫的方法：将汽油馏分引入到其中下部的萃取塔中，将溶剂引入塔顶部的萃取塔中，将饱和C 5烃注入回流装置 在提取塔的底部，其中脱硫的汽油馏分从萃取塔的顶部流出; 提取硫化物，芳烃和C5烃的溶剂从萃取塔底部流出，分离成含C5烃的轻组分，富含硫的组分，水和溶剂。 本发明还提供了一种深度脱硫催化裂化汽油的方法，其灵活地组合了上述方法和现有的脱硫技术。

公开(公告)号：US09856423B2

公开(公告)日：2018-01-02

申请号：US14684196

申请日：2015-04-10

Applicant: Tianzhen Hao ,  CHINA UNIVERSITY OF PETROLEUM—BEIJING

Inventor： Tianzhen Hao ,  Jinsen Gao ,  Dezhong Li ,  Liang Zhao ,  Zhiyuan Lu ,  Xingying Lan

IPC: C10G67/04 ,  C10G21/28 ,  C10G21/14 ,  C10G21/16 ,  C10G21/22 ,  C10G21/20 ,  C10G53/16 ,  C10G67/16

CPC classification number: C10G67/04 ,  C10G21/14 ,  C10G21/16 ,  C10G21/20 ,  C10G21/22 ,  C10G21/28 ,  C10G53/16 ,  C10G67/16 ,  C10G2300/202 ,  C10G2400/02

Abstract: The present invention provides a process for desulfurizing gasoline fraction by solvent extraction: introducing the gasoline fraction into an extraction tower at a lower-middle part thereof, introducing a solvent into the extraction tower at the top thereof, injecting saturated C5 hydrocarbon into a reflux device at the bottom of the extraction tower, wherein the gasoline fraction which is desulfurized flows out from the top of the extraction tower; the solvent that has extracted sulfide, aromatics and C5 hydrocarbon flows out from the bottom of the extraction tower, and is separated into a C5 hydrocarbon-containing light component, a sulfur-rich component, water and the solvent. The present invention also provides a process for deeply desulfurizing catalytic cracking gasoline, which flexibly combines the process described above and an existing desulfurization technology.

公开(公告)号：US11097263B2

公开(公告)日：2021-08-24

申请号：US16557968

申请日：2019-08-30

Applicant: CHINA UNIVERSITY OF PETROLEUM—BEIJING

Inventor： Liang Zhao ,  Jinsen Gao ,  Tianzhen Hao ,  Lixia Dong ,  Di Gao ,  Xiaoyu Wu ,  Xiaoqin Wang ,  Liyuan Cao ,  Chunming Xu

IPC: 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

Abstract: 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%.