ver DFMDP17 2 Company brochure www dfmem com

ver. DFM-DP-17. 2 Company brochure www. dfmem. com 1/31

ver. DFM-DP-17. 2 Contents. 1 § Introduction 2 § Core technology 3 § Product 2 www. dfmem. com § Reference 2/31

ver. DFM-DP-17. 2 www. dfmem. com 3/31

1. Company Introduction ver. DFM-DP-17. 2 About DEERFOS MEMBRANES Co. , Ltd. ▷ Name of company : DEERFOS MEMBRANES ▷ Foundation Date : July 1, 2011 ▷ Add. : 6, Hangye-gil, Gadeok-myeon, Sangdang-gu, Cheongjusi, Chung cheongbuk-do, Korea ▷ Main Product : Membrane & Module ▷ Website : http: //www. dfmem. com 4/31

1. Company Introduction ver. DFM-DP-17. 2 History of DEERFOS MEBRANES 2009 Technology Cooperation Agreement with the Korea Research Institute of Chemical 2010 Completely developed PVDF Hollow-fiber PILOT-step based Manufacturing technology and pressurized module 2012 ISO 9001, ISO 14001 certificates are acquired. 2013 Petition for patent “Manufacturing-method separation-film having elevation of durability” “Hollow fiber membrane module and preparing method theses of” “Method of cleaning membrane module for purifying water with physical back washing and purifying water system using the same” “High performance hollow fiber membrane using that and Preparing method there of” 2014~ “NSF(National Sanitation Foundation)” certificate is acquired. “KTP(KEPCO Trusted Partner)” acquired www. dfmem. com 5/31

1. Company Introduction ver. DFM-DP-17. 2 Certification www. dfmem. com 6/31

1. Company Introduction ver. DFM-DP-17. 2 Field of business Waste water Water Purification Separation Concentrate ▷ Livestock wastewater ▷ Drinking water ▷ Separation, Collection of silica ▷ Chemistry plant wastewater ▷ Water supply facilities ▷ Bio, Plankton, Urea concentrate ▷ ETP recycling ▷ RO pretreatment ▷ Rainwater reuse ▷ Manufacturing Aseptic water www. dfmem. com 7/31

ver. DFM-DP-17. 2 2. Technology www. dfmem. com 8/31

2. Technology ver. DFM-DP-17. 2 2 -1. Definition of membrane Filtrate Feed Water MEMBRANE Driving Force Suspended Solids Membrane is a selective barrier. www. dfmem. com 9/31

2. Technology ver. DFM-DP-17. 2 2 -2. Type of DEERFOS membranes -> We manufacture hollow fiber membrane. suspended solid ★ Hollow Fiber → having pores in the interior → selectively separate by internal pores. ※ Separating water from suspended solid ※ Wide surface area enables high flux. www. dfmem. com 10/31

2. Membrane Technology ver. DFM-DP-17. 2 2 -3. DEERFOS membranes pore size www. dfmem. com 11/31

ver. DFM-DP-17. 2 3. Products www. dfmem. com 12/31

3. 1 Products / UF module www. dfmem. com ver. DFM-DP-17. 2 13/31

3. 1 Products / UF module ver. DFM-DP-17. 2 Feed Water Permeate Water The upper part Feed Water Tank Permeate Water Pump, 0. 5 bar The lower part www. dfmem. com 14/31

3. 1 Products / UF module ver. DFM-DP-17. 2 DEERFOS MEMBRANES Module TEST Skid : FLUX, PDT, leakage TEST www. dfmem. com 15/31

3. 2 Products / UF water treatment system ver. DFM-DP-17. 2 * Container Skid for drinking water 20 ft Container Skid - Size : 6 m(L) X 2. 45 m(D) X 2. 65 m(H) - Full Automatic Operation - Remote Control with P. C or Smart Phone - Applying UF 4 ea modules, 200㎥/day - Providing to 1000 people per day www. dfmem. com 16/31

3. 2 Products / UF water treatment system www. dfmem. com ver. DFM-DP-17. 2 17/31

3. 3 Products / MBR module www. dfmem. com ver. DFM-DP-17. 2 18 18/31

3. 3 Products / MBR module Submerged module ver. DFM-DP-17. 2 Filtration ※ DEERFOS MEMBRANES’ submerged module system is based on MBR Processing MBR (Membrane Bio Reactor) : Biological treatment + Membrane filtration (Submerged membrane) 1. Very effective to remove T-P (Total Phosphorus) & T-N (Total Nitrogen) as well as organic matter & suspended solids 2. Discomposing organic matter of feed water by aerobic microbes www. dfmem. com 19/31

3. 3 Products / MBR module ver. DFM-DP-17. 2 Advantage of DFM Membranes ※ DFM can maintain the same sustained performance due to braid-reinforced hollow fiber membrane with a uniform section of 0. 2 ㎛. 1. High Flux : Design Flux → 0. 4~ 0. 8 ㎥/㎡ day Sewage and wastewater standards 2. Durability : Tensile strength: > 30 kgf/fil. / PH range: p. H 1~12 3. Efficient tank composition : Minimizing installation charge, site area 4. Antifouling (Hydrophilic): Increasing the hydrophilic of the coating surface to reinforce antifouling property 5. Asymmetrical multi-layered application : Extending the life time w o H This is high strength PVDF hollow fiber by our own technologies www. dfmem. com 20/31

ver. DFM-DP-17. 2 www. dfmem. com 21/31

4. Reference ver. DFM-DP-17. 2 Microorganism Before After ▶ We have replaced UF modules from TORAY’s to DEERFOS’s. Microorganisms were detected when running with TORAY. After replacement with DEERFOS modules, there haven’t been any Microorganisms. <Water quality analysis> www. dfmem. com 22/31

4. Reference ver. DFM-DP-17. 2 Auto Country: INDIA Industry Type : Auto Capacity : 1000 m 3/day Application : ETP(Effluent treatment plant) Recycling Raw water ETP (Effluent treatment plant) Industry processes Primary Treatment Equalization Biological Treatment Treated water Discharged OR Recycle water Sludge Treatment & disposal For use RO Permeate RO RO feed tank For recycling MGF Collection UF / MBR Reject Disposal www. dfmem. com 23/31

4. Reference ver. DFM-DP-17. 2 Chemical Country: KOREA Industry Type : Chemicals Capacity : 3, 000㎥ /day Application : Pure water to use river Feed water Absorption device of activated carbon www. dfmem. com MF (cartridge filter) UF / MBR RO Ion exchange resin Deaerator UPW tank 24/31

4. Reference ver. DFM-DP-17. 2 Display Country: KOREA Industry Type : Display Capacity : 1000㎥ /day ※ 2016 install & operation Application : Pure water for product line Feed water Absorption device of activated carbon www. dfmem. com MF (cartridge filter) UF / MBR RO Ion exchange resin Deaerator UPW tank 25/31

5. Reference ver. DFM-DP-17. 2 Semiconductor Country: KOREA Industry Type : Semiconductor Capacity : 400㎥ /day Capacity : 360㎥ /day Application : Pure water for product line Application : ETP(Effluent treatment plant) Recycling Feed water Absorption device of activated carbon www. dfmem. com MF (cartridge filter) UF / MBR RO Ion exchange resin Deaerator UPW tank 26/31

4. Reference ver. DFM-DP-17. 2 Steel Country: CHINA Industry Type : Steel Capacity : 11, 000㎥/day Application : Pure water for Production line Feed water Absorption device of activated carbon www. dfmem. com MF (cartridge filter) UF / MBR RO Ion exchange resin Deaerator UPW tank 27/31

4. Reference ver. DFM-DP-17. 2 Power plant Country: Philippines Industry Type: Power Plant Capacity : 2400㎥ /day Application : Seawater desalination (R/O pre-treatment) RO system UF / MBR P P Sea water www. dfmem. com Feed water P Filtration Flocculation Supply –filtration tank pump P Permeate water Concentrate High pressure pump Boiler Permeate tank 28/31

4. Reference ver. DFM-DP-17. 2 Textile Country: INDIA Industry Type : Textile Capacity : 1, 000 m 3/day Application : Textile Dye recycling PERMEATE FEED www. dfmem. com ETP MGF ACF UF / MBR 29/31

4. Reference ver. DFM-DP-17. 2 Effluent / Sewage Water - P Com. (China) Capacity : 1500 m 3/day Application : ETP Industry Type : Pharm. - A Hospital (Korea) Capacity : 2500 m 3/day Application : ETP Industry Type : Hospital Coagulant Inflow Outflow Grit chamber Flow control tank www. dfmem. com Sludge storage tank Deaeration tank Anoxic tank Anaerobic tank Aerobic tank Membrane tank Treated water tank 30/31

4. Reference ver. DFM-DP-17. 2 KOREA CHINA Number of install or operation : 150 or more Application: Ultra-pure water, Number of install or operation : 70 or ETP Recycling etc. more Application: Concentration &Separation GHANA ETP Recycling ect. INDIA | l $ 30 billion PHIl. IPPINES Number of install or operation : 3 or more Application: STP recycling Number of install or operation : 60 or more Number of install or operation : 5 or more Application: ETP, STP recycling etc. Application: Pretreatment of seawater desalination ect. www. dfmem. com 31/31

ver. DFM-DP-17. 2 The Power Of DEERFOS Stands Out From Competition www. dfmem. com 32/31