Patents Assigned to VONTRON MEMBRANE TECHNOLOGY CO., LTD.
  • OXIDATION-RESISTANT COMPOSITE REVERSE OSMOSIS MEMBRANE
    Publication number: 20080203013
    Abstract: Disclosed is a oxidation resistant composite reverse osmosis membrane, comprising a porous support and a polyamide layer, in which the polyamide layer is modified by an agent so that the membrane retains a salt rejection of at least 85% after being subjected to an aqueous solution of NaClO having a concentration of about 2,000 to 30,000 ppm for about one hour. A process of preparing the membrane is also disclosed.
    Type: Application
    Filed: August 27, 2007
    Publication date: August 28, 2008
    Applicant: VONTRON MEMBRANE TECHNOLOGY CO., LTD.
    Inventors: Xiaoyang Zhao, Yaohua He, Zongce Wu, Zhiqi Cai, Siliang Wang, Changyu Long, Feng Liu