Environment & Energy Research Team

Environment & Energy Research

Creative Solution Provider in Environment and Energy Sectors

Environment & Energy Research Team is performing R&D and providing innovative solutions in the fields of water and wastewater treatment, SWRO desalination, wastewater reclamation and new & renewable energy.

Innovative Solutions

  • Wastewater Sector

    Wastewater Sector

    • Advanced SBR wastewater treatment system with reduced sludge production (e-Tris I)
    • Advanced MBR wastewater treatment system with reduced sludge production (e-Tris II)
    • Design/operation and process analysis technologies for wastewater treatment/reclamation facilities
    • Sewer network optimization technology
  • Drinking Water Sector

    Drinking Water Sector

    • Water treatment technology using membrane filtration system
    • Compact and efficient system for the treatment of membrane backwash water
    • Design and operation for membrane filtration system
    • Process diagnosis and optimization technologies
    • Technologies for emerging contaminants (odor and taste, pharmaceuticals, etc.)
    • Optimal design and operation technologies for pipe network
  • Desalination Sector

    Desalination Sector

    • Desalination technologies to deal with red tide events
    • Control measures for organic pollutants in seawater
    • Hybrid forward-reverse osmosis
      (FO-RO) system to minimize energy consumption
    • Design and operation technologies for SWRO desalination plant

Representative Technologies

Sludge reduction advanced sewage treatment SBR process (e-Tris I)

Sludge reduction advanced sewage treatment SBR process (e-Tris I)

Technology
overview

  • Continuous-flow SBR system for advanced wastewater treatment with reduced sludge production (up to 60% reduction)

Benefits

  • Reduced CAPEX and OPEX ae well as enhanced environmental sustainability by reducing sludge production

Applied projects

  • Project to establish an environment demonstration complex (2013)

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 345 (Korea Ministry of Environment)
  • Green Technology (GT) No. 12-00027 (Korea Ministry of Environment)
  • Patent 10-1048352 Advanced wastewater treatment devices and method for reduced sludge production in the treatment process
  • Patent 10-1063206 Advanced wastewater treatment devices and method for reduced sludge production and wastewater reclamation
  • Patent 10-1240239 Vertical decanter system for effluent discharge with scum overflow prevention device in wastewater treatment system
  • Patent 10-1080635 Advanced wastewater treatment system using sequencing batch reactor coupled with coagulation-sedimentation basin
  • Patent 10-1081668 Anaerobic sludge holding tank to induce endogenous microbial growth and its utilization method for reduced sludge production

Sludge reduction advanced sewage treatment MBR technology (e-Tris II)

Sludge reduction advanced sewage treatment MBR technology (e-Tris II)

Technology
overview

  • Advanced wastewater treatment system with reduced sludge production (up to 60% reduction)
    MBR technology using side-stream membrane for convenient operation and maintenance compared to MBR using submerged membrane

Benefits

  • Reduced CAPEX and OPEX ae well as enhanced environmental sustainability by reducing sludge production

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 435 (Korea Ministry of Environment)
  • Green Technology GT No. 12-00027 (Korea Ministry of Environment)
  • Patent 10-1048352 Advanced wastewater treatment devices and method for reduced sludge production in the treatment process
  • Patent 10-1063206 Advanced wastewater treatment devices and method for reduced sludge production and wastewater reclamation
  • Patent 10-1240239 Vertical decanter system for effluent discharge with scum overflow prevention device in wastewater treatment system
  • Patent 10-1080635 Advanced wastewater treatment system using sequencing batch reactor coupled with coagulation-sedimentation basin
  • Patent 10-1081668 Anaerobic sludge holding tank to induce endogenous microbial growth and its utilization method for reduced sludge production

Dual-Membrane Filtration System for Drinking Water Treatment

01. Confusion/Coagulation 02. Pressure membrane filtration 03. 2-layer submerged membrane filtration

Technology
overview

  • Daelim’s dual-membrane drinking water treatment system consists of high-capacity pressurized membrane module and multi-purpose submerged membrane tank. It is not required to construct large civil structures, i.e., sedimentation basin, sludge and backwash water collection basin, sludge concentration basin, etc.

Benefits

  • More than 30% of CAPEX and OPEX reduction with reduced footprint

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 487 (Korea Ministry of Environment)
  • Collective Standard Certificate of Water Supply Membrane Module (KWWA F106)
  • NSF / ANSI 61 Drinking water system components – Health Effects (PF100)
  • Patent
      - Hybrid membrane filtration system using pressurized and submerged membranes (2014. 7)
      - High efficiency submerged membrane tank including coagulation and sedimentation functions (2014. 2)
      - Efficient membrane cleaning method using mass balance in the operation of membrane filtration process (2013. 12)
      - Control method of membrane filtration system by automatically regulating recirculation rate in order to respond varying
       raw water quality (2013. 9)
      - Dual membrane filtration system using pressurized and submerged membranes and its variable control method (2013. 5)

Integrated Smart Waterworks Management System

Intelligence water supply integrated management system platform

Technology
overview

  • Efficient management for the overall waterworks from source to tap can be done by using Integrated Smart Waterworks Management System.
    The system, developed with user-friendly module format and UI environment in order to enhance the conveniency and efficiency, consists of 3 main modules: ① treatment plant management system, ② supply networks management system and ③ integrated management system.

Benefits

  • Enhanced efficiency by optimizing unit process operation
  • Safe and stable water supply with reduced O&M cost
  • Customer satisfaction through real-time supply networks monitoring
  • Applied in the City of Yangpyeong

Patent &
Certificate

  • Patent 10-0030753 Determination method of optimal locations for pressure gauges in water supply networks
  • Patent 10-0030755 Hybrid water supply system
  • Patent 10-0035375 Determination method of optimal flowmeter locations in water supply networks
  • Patent 10-0013350 Method of disinfection by-products monitoring and method of chlorination dosage using the monitoring data
  • Patent 10-0013352 Method of disinfection by-products monitoring in water supply networks
  • Program C-000686 Program for optimal determination of pressure gauge locations in water supply networks
  • Program C-007211 Program for optimal determination of flowmeter locations in water supply networks
  • Program C-007327 Program for water demand prediction
  • Program C-001371 Optimal water supply pump operation system for water treatment plant
  • Program C-001372 Process diagnosis system for water treatment plant
  • Program C-001373 Asset management system for water treatment plant
  • Program C-001374 Water supply network analysis system on the basis of PDA method
  • Program C-001375 Water supply network operation and management system