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

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

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

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
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

Technology overview

DL E&C’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)