Patents by Inventor Juping LIU

Juping LIU 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 preparing biochar from phosphoric acid-modified , and use of biochar in removal of cadmium
    Patent number: 11642649
    Abstract: The disclosure discloses a method for preparing biochar from Enteromorpha prolifera and use of the biochar. The method includes: subjecting Enteromorpha prolifera to lyophilization, then impregnating lyophilized Enteromorpha prolifera with phosphoric acid, and drying to a constant weight; grinding a dried mixture in a mortar, and then subjecting a ground sample to activation treatment in a tube furnace at 400° C. to 1,000° C. under a nitrogen atmosphere; and boiling an obtained solid product with concentrated hydrochloric acid, then washing with ultrapure water, and drying to a constant weight to obtain Enteromorpha prolifera biochar. The biochar is used in adsorption of cadmium. The method for removing cadmium using Enteromorpha prolifera biochar provided by the disclosure exhibits an extremely high adsorption and removal capacity for cadmium, with an adsorption capacity of biochar up to 250 mg/g or more.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 9, 2023
    Assignees: Tianjin University, BCIG ENVIRONMENTAL REMEDIATION CO., LTD.
    Inventors: Guanyi Chen, Chuanbin Wang, Chengliang Yang, Xiangping Li, Beibei Yan, Bin Liu, Juping Liu, Zhenping Su, Ding Li, Xinpei Liu, Bo Li
  • METHOD FOR PREPARING BIOCHAR FROM PHOSPHORIC ACID-MODIFIED ENTEROMORPHA PROLIFERA, AND USE OF BIOCHAR IN REMOVAL OF CADMIUM
    Publication number: 20210086163
    Abstract: The disclosure discloses a method for preparing biochar from Enteromorpha prolifera and use of the biochar. The method includes: subjecting Enteromorpha prolifera to lyophilization, then impregnating lyophilized Enteromorpha prolifera with phosphoric acid, and drying to a constant weight; grinding a dried mixture in a mortar, and then subjecting a ground sample to activation treatment in a tube furnace at 400° C. to 1,000° C. under a nitrogen atmosphere; and boiling an obtained solid product with concentrated hydrochloric acid, then washing with ultrapure water, and drying to a constant weight to obtain Enteromorpha prolifera biochar. The biochar is used in adsorption of cadmium. The method for removing cadmium using Enteromorpha prolifera biochar provided by the disclosure exhibits an extremely high adsorption and removal capacity for cadmium, with an adsorption capacity of biochar up to 250 mg/g or more.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 25, 2021
    Inventors: Guanyi CHEN, Chuanbin WANG, Chengliang YANG, Xiangping LI, Beibei YAN, Bin LIU, Juping LIU, Zhenping SU, Ding LI, Xinpei LIU, Bo LI