Patents by Inventor Fengwen YU

Fengwen YU 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).

  • Method for catalytic dehydration of glycerol to acrolein
    Patent number: 9926253
    Abstract: A novel method for catalytic dehydration of glycerol to acrolein is provided. A fixed bed reactor is used, which is placed in a microwave unit. The feedstock is introduced into the fixed bed reactor after being preheated and gasified. Continuous glycerol dehydration occurs in the presence of a microwave-absorbing catalyst in the fixed bed reactor to form acrolein. The microwave-absorbing catalyst is composed of an active component loaded on a core-shell structure which consists of microwave absorbent coated by an oxide. The uniformity of microwave heating can reduce the formation of hot spot during the reaction and hence improve the catalyst stability. The process and operation is simple, and the unit can steadily run for a long time.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: March 27, 2018
    Assignee: ZHEJIANG UNIVERSITY OF TECHNOLOGY
    Inventors: Yong Nie, Qinglong Xie, Ruchao Gong, Ying Duan, Shanshan Li, Yang Liu, Xiaojiang Liang, Zhenyu Wu, Meizhen Lu, Fengwen Yu, Jianbing Ji
  • NOVEL METHOD FOR CATALYTIC DEHYDRATION OF GLYCEROL TO ACROLEIN
    Publication number: 20170342008
    Abstract: A novel method for catalytic dehydration of glycerol to acrolein is provided. A fixed bed reactor is used, which is placed in a microwave unit. The feedstock is introduced into the fixed bed reactor after being preheated and gasified. Continuous glycerol dehydration occurs in the presence of a microwave-absorbing catalyst in the fixed bed reactor to form acrolein. The microwave-absorbing catalyst is composed of an active component loaded on a core-shell structure which consists of microwave absorbent coated by an oxide. The uniformity of microwave heating can reduce the formation of hot spot during the reaction and hence improve the catalyst stability. The process and operation is simple, and the unit can steadily run for a long time.
    Type: Application
    Filed: May 25, 2017
    Publication date: November 30, 2017
    Applicant: ZHEJIANG UNIVERSITY OF TECHNOLOGY
    Inventors: Yong NIE, Qinglong XIE, Ruchao GONG, Ying DUAN, Shanshan LI, Yang LIU, Xiaojiang LIANG, Zhenyu WU, Meizhen LU, Fengwen YU, Jianbing JI