Patents by Inventor Guojia ZHANG

Guojia ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10710886
    Abstract: The invention provides a method for synthesizing a mesoporous zeolite ETS-10 containing a metal without a templating agent. The method according to the invention comprises the steps of: mixing a silicon source with a NaOH solution to obtain a mixed solution so that the content of Na2O in the mixed solution is 10.0% to 20.0% by weight; adding a KOH or KF solution so that the content of K2O is 10.0% to 25.0% by weight and stirring it well; adding a titanium source solution and stirring it well; adding a precursor compound containing metal Ni and/or Co and stirring it well; and subjecting it to a crystallization reaction to obtain the mesoporous zeolite ETS-10. The mesoporous zeolite ETS-10 obtained by the invention has a specific surface area of 320 to 420 m2/g, a mesoporous volume of 0.11 to 0.21 cm3/g, and thus can be used as a catalyst and a support thereof in synthesis industry for macromolecular fine chemicals.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: July 14, 2020
    Assignee: PetroChina Company Limited
    Inventors: Tiegang Xu, Tiandi Tang, Wenqian Fu, Lei Zhang, Runsheng Shen, Guoren Cai, Baoli Ma, Weichi Xu, Guangming Wen, Jinhe Song, Dan Wang, Mingwei Tan, Wencheng Zhang, Jintao Guo, Gang Wang, Quanguo Zhang, Xianjun Wu, Liyan Guo, Lei Fang, Liru Cong, Guojia Zhang, Chunming Dong, Yu Liang
  • Publication number: 20200071174
    Abstract: The invention provides a method for synthesizing a mesoporous zeolite ETS-10 containing a metal without a templating agent. The method according to the invention comprises the steps of: mixing a silicon source with a NaOH solution to obtain a mixed solution so that the content of Na2O in the mixed solution is 10.0% to 20.0% by weight; adding a KOH or KF solution so that the content of K2O is 10.0% to 25.0% by weight and stirring it well; adding a titanium source solution and stirring it well; adding a precursor compound containing metal Ni and/or Co and stirring it well; and subjecting it to a crystallization reaction to obtain the mesoporous zeolite ETS-10. The mesoporous zeolite ETS-10 obtained by the invention has a specific surface area of 320 to 420 m2/g, a mesoporous volume of 0.11 to 0.21 cm3/g, and thus can be used as a catalyst and a support thereof in synthesis industry for macromolecular fine chemicals.
    Type: Application
    Filed: May 13, 2019
    Publication date: March 5, 2020
    Inventors: Tiegang XU, Tiandi Tang, Wenqian Fu, Lei Zhang, Runsheng Shen, Guoren Cai, Baoli Ma, Weichi Xu, Guangming Wen, Jinhe Song, Dan Wang, Mingwei Tan, Wencheng Zhang, Jintao Guo, Gang Wang, Quanguo Zhang, Xianjun Wu, Liyan Guo, Lei Fang, Liru Cong, Guojia Zhang, Chunming Dong, Yu Liang
  • Patent number: 10258965
    Abstract: The present invention relates to a method for preparing a sulfur-resistant catalyst for aromatics saturated hydrogenation, comprising the steps of: preparing noble metal impregnation solutions from a noble metal and deionized water or an acid solution; impregnating a carrier with the impregnation solutions sequentially from high to low concentrations by incipient impregnation; homogenizing, drying, and calcinating to obtain the sulfur-resistant catalyst for aromatics saturated hydrogenation. The catalyst for aromatics saturated hydrogenation prepared by the method according to the present invention is primarily used in processing low-sulfur and high-aromatics light distillate, middle distillate, atmospheric gas oil, and vacuum gas oil.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: April 16, 2019
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Xiaodong Yang, Yanfeng Liu, Sheng Hu, Chunmei Yu, Hongling Chu, Xinmiao Wang, Shanbin Gao, Bin Xie, Famin Sun, Wencheng Zhang, Jintao Guo, Quanguo Zhang, Lili Jiang, Xiaofeng Wang, Yuanyuan Ji, Ran Sun, Yuxiao Feng, Xianjun Wu, Guojia Zhang, Tan Zhao, Wenyong Liu, Rui Li, Ruifeng Li, Cheng Tang
  • Patent number: 10252255
    Abstract: Disclosed are a method for preparing a noble metal hydrogenation catalyst comprising preparing a carrier from a molecular sieve having a 10-member ring structure and/or an amorphous porous material; preparing a noble metal impregnation solution; and preparing noble metal impregnation solutions in a concentration gradient ranging from 0.05 to 5.0 wt % with deionized water, and sequentially impregnating the carrier with the impregnation solutions from low to high concentrations during the carrier impregnation process, or preparing a noble metal impregnation solution at a low concentration ranging from 0.05 to 0.5 wt % and impregnating the carrier by gradually increasing the concentration of the noble metal impregnation solution to 2.0 to 5.0 wt % in the impregnation process, followed by homogenization, drying, and calcination, as well as a noble metal hydrogenation catalyst, use thereof, and a method for preparing lubricant base oil.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: April 9, 2019
    Assignee: PETROCHINA COMPANY LIMITED
    Inventors: Xiaodong Yang, Chunmei Yu, Yanfeng Liu, Sheng Hu, Zhihua Zhang, Famin Sun, Wencheng Zhang, Jintao Guo, Wenyong Liu, Xinmiao Wang, Shanbin Gao, Bin Xie, Jinxian Jiang, Yuhe Yang, Rui Li, Guojia Zhang, Lili Jiang, Tan Zhao, Dongqing Wang, Jingying Zhao, Quanguo Zhang, Ruifeng Li, Shengbo Sun, Hong Li, Cheng Tang
  • Publication number: 20160167017
    Abstract: The present invention relates to a method for preparing a sulfur-resistant catalyst for aromatics saturated hydrogenation, comprising the steps of: preparing noble metal impregnation solutions from a noble metal and deionized water or an acid solution; impregnating a carrier with the impregnation solutions sequentially from high to low concentrations by incipient impregnation; homogenizing, drying, and calcinating to obtain the sulfur-resistant catalyst for aromatics saturated hydrogenation. The catalyst for aromatics saturated hydrogenation prepared by the method according to the present invention is primarily used in processing low-sulfur and high-aromatics light distillate, middle distillate, atmospheric gas oil, and vacuum gas oil.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 16, 2016
    Inventors: Xiaodong YANG, Yanfeng LIU, Sheng HU, Chunmei YU, Hongling CHU, Xinmiao Wang, Shanbin GAO, Bin XIE, Famin SUN, Wencheng Zhang, Jintao GUO, Quanguo Zhang, Lili JIANG, Xiaofeng Wang, Yuanyuan JI, Ran SUN, Yuxiao FENG, Xianjun WU, Guojia ZHANG, Tan ZHAO, Wenyong LIU, Rui LI, Ruifeng LI, Cheng TANG
  • Publication number: 20160167029
    Abstract: Disclosed are a method for preparing a noble metal hydrogenation catalyst comprising preparing a carrier from a molecular sieve having a 10-member ring structure and/or an amorphous porous material; preparing a noble metal impregnation solution from one or more of compounds of noble metals Pt, Pd, Ru, Rh, Re, and Ir and deionized water or an acid solution; and preparing noble metal impregnation solutions in a concentration gradient ranging from 0.05 to 5.0 wt % with deionized water, and sequentially impregnating the carrier with the impregnation solutions from low to high concentrations during the carrier impregnation process, or preparing a noble metal impregnation solution at a low concentration ranging from 0.05 to 0.5 wt % and impregnating the carrier by gradually increasing the concentration of the noble metal impregnation solution to 2.0 to 5.
    Type: Application
    Filed: December 9, 2015
    Publication date: June 16, 2016
    Inventors: Xiaodong YANG, Chunmei YU, Yanfeng LIU, Sheng HU, Zhihua ZHANG, Famin SUN, Wencheng ZHANG, Jintao GUO, Wenyong LIU, Xinmiao WANG, Shanbin GAO, Bin XIE, Jinxian JIANG, Yuhe YANG, Rui LI, Guojia ZHANG, Lili JIANG, Tan ZHAO, Dongqing WANG, Jingying ZHAO, Quanguo ZHANG, Ruifeng LI, Shengbo SUN, Hong LI, Cheng TANG