Patents Assigned to Sis Eng Co., Ltd.
  • Patent number: 8007665
    Abstract: Disclosed herein is an advanced wastewater treatment device. The device includes a wastewater treatment bath having an anaerobic bath in which phosphorus is discharged, an anoxic bath in which denitrification of nitrate nitrogen is performed, and an aerobic bath in which decomposition and nitrification of organic matter is performed. A first movable divider separates the anaerobic bath from the anoxic bath and is movably provided in the wastewater treatment bath to change relative volume of the anaerobic and anoxic baths. A second movable divider separates the anoxic bath from the aerobic bath and is movably provided in the wastewater treatment bath to change relative volume of the anoxic and aerobic baths. A divider moving unit moves the first and second movable dividers. An air supply unit includes air nozzles, an air pump, and valves. A recycling unit recycles activated sludge of the aerobic bath to the anoxic bath.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: August 30, 2011
    Assignee: Sis Eng Co., Ltd.
    Inventor: Takao Kamiyama
  • Publication number: 20110168617
    Abstract: Disclosed herein is an advanced wastewater treatment device. The device includes a wastewater treatment bath having an anaerobic bath in which phosphorus is discharged, an anoxic bath in which denitrification of nitrate nitrogen is performed, and an aerobic bath in which decomposition and nitrification of organic matter is performed. A first movable divider separates the anaerobic bath from the anoxic bath and is movably provided in the wastewater treatment bath to change relative volume of the anaerobic and anoxic baths. A second movable divider separates the anoxic bath from the aerobic bath and is movably provided in the wastewater treatment bath to change relative volume of the anoxic and aerobic baths. A divider moving unit moves the first and second movable dividers. An air supply unit includes air nozzles, an air pump, and valves. A recycling unit recycles activated sludge of the aerobic bath to the anoxic bath.
    Type: Application
    Filed: March 17, 2011
    Publication date: July 14, 2011
    Applicant: SIS ENG CO., LTD.
    Inventor: Takao Kamiyama