Patents Assigned to Seuk Won Yoo
  • Process for high concentrated waste water treatment using membrane separation
    Patent number: 6007719
    Abstract: The present invention relates to a process for treatment of high concentrated waste water from animal husbandry, human excretion and other high organic waste. This process includes warming, anaerobic digestion, separation with ultra filtration (UF)/reversed osmosis (RO) membranes. The residual solution after RO separation is the raw material of liquid fertilizer for water culture and foliar spray.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: December 28, 1999
    Assignee: Seuk Won Yoo
    Inventors: Seuk Won Yoo, Kyu Seung Lee