Patents by Inventor Qingbiao Li

Qingbiao Li 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: 10584362
    Abstract: The present application provides a method for simultaneously synthesizing a biological flocculant with polysaccharide and ?-PGA as the active components by using Bacillus licheniformis. Bacillus licheniformis is inoculated to a slant culture medium to be cultured; a single colony on a fresh plate is inoculated to a seed culture medium to be cultured; and a seed fermentation broth is inoculated to a fermentation culture medium to be cultured, and then the biological flocculant having two different components is obtained. The flocculant synthesized in the present invention is high in activity and good in thermal stability; and especially, the flocculation effect of polysaccharide is relatively superior under acidic and neutral conditions, and the flocculation activity of ?-PGA is relatively higher under neutral and alkaline environments, which can satisfy a relatively large pH application range.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: March 10, 2020
    Assignee: Xiamen University
    Inventors: Ning He, Haosheng Yao, Yu Liu, Wencheng Yu, Shan Yan, Yuanpeng Wang, Qingbiao Li
  • Patent number: 10533148
    Abstract: A membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in a biogas slurry and treating method thereof, relating to biogas slurry treatment. The membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in a biogas slurry is provided with a biogas slurry storage tank, peristaltic pumps, a microalgae cultivating tank, an air pump, a membrane photobioreactor and a hollow fiber membrane.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: January 14, 2020
    Assignee: XIAMEN UNIVERSITY
    Inventors: Qingbiao Li, Xi Chen, Ning He, Yuanpeng Wang, Liang Shen, Haitao Wang
  • Publication number: 20170044474
    Abstract: A membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in a biogas slurry and treating method thereof, relating to biogas slurry treatment. The membrane photobioreactor for treating nitrogen and phosphorus that are out of limits in a biogas slurry is provided with a biogas slurry storage tank, peristaltic pumps, a microalgae cultivating tank, an air pump, a membrane photobioreactor and a hollow fiber membrane.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 16, 2017
    Applicant: XIAMEN UNIVERSITY
    Inventors: Qingbiao Li, Xi Chen, Ning He, Yuanpeng Wang, Liang Shen, Haitao Wang
  • Publication number: 20170029855
    Abstract: The present application provides a method for simultaneously synthesizing a biological flocculant with polysaccharide and ?-PGA as the active components by using Bacillus licheniformis. Bacillus licheniformis is inoculated to a slant culture medium to be cultured; a single colony on a fresh plate is inoculated to a seed culture medium to be cultured; and a seed fermentation broth is inoculated to a fermentation culture medium to be cultured, and then the biological flocculant having two different components is obtained. The flocculant synthesized in the present invention is high in activity and good in thermal stability; and especially, the flocculation effect of polysaccharide is relatively superior under acidic and neutral conditions, and the flocculation activity of ?-PGA is relatively higher under neutral and alkaline environments, which can satisfy a relatively large pH application range.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 2, 2017
    Applicant: XIAMEN UNIVERSITY
    Inventors: Ning He, Haosheng Yao, Yu Liu, Wencheng Yu, Shan Yan, Yuanpeng Wang, Qingbiao Li