제3차 환경에너지 지식연구회

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제3차 환경에너지 지식연구회

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분리막을 이용한 환경산업 기술

이형근 책임연구원

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해수담수화 상용화 R&D사례 및 사업기회

김상현 박사

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I. Hyundai’s Environmental Business and R&D

II. Business & Technical Trend in desalination

III. Hyundai’s Technical approach in desalination

IV. Joint Research Area with NTU in desalination

V. Desalination R&D to Commercialization

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_{Existing RO Desalination Plant}



_{New Desalination using CNT/RO membrane}



_{Hybrid Desalination}

Hyundai’s R&D approach

To desalination business

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2. Business & Technical Trend for Desalination

 Business Trend

 Ras Al Khaimah(UAE) SWRO(67,000m3/day), 2012

 Before 2,000 : EPC Only

 After 2,000 : EPC + O&M

 EPC : Energy(Power) = 1 : 0.83

Ranking Bidder

①Bidding price Specific Energy consumption

②Electricity cost

(20year operation) (①+②) Total _Final Result (Mil. USD) Variation (kWh/m3₎ _Variation_{(Mil. USD)}_Variation _{(Mil. USD)} _Variation

1 UTICO 72 - 3.37 - 171 - 243 - Fail

… … … … … … … … …

6 AQUATECH 82 14% 3.14 -7% 159 -7% 241 -1% Win

_{Case-study (2012)} _{The typical O&M breakdown cost}

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3.1 Existing RO desalination Plant

70 g/l

Energy consumption 3.44 kWh/m3 Existing RO Water HPP From existing Preteatment High pressure

pump BP Booster _Pump

ERD

Energy Recovery Device

Rejection Brine Brine discharge

Existing RO plant

Seawater Environ. Problem High Energy 5

2.1 Business & Technical Trend for Desalination

 Technical Trend

Thermal (MSF) Technology

5~10 kWh/m3

Reverse Osmosis Technology

3~5 kWh/m3 Innovative RO Technology 2~3 kWh/m3 2020 2000 2010 1990 1950 4.0 10.0 2.0 Energy consumption (kWh/m3₎ 6.0

Thermal desalination construction First desalination lauching (Kuwait,1958)

SWRO technology applicaiton

Dominant RO Technology

For Seawater Desalination Innovative desalination R&D _{New material R&D}

8.0

1st_generation ₂nd_generation ₃rd_generation

Our target

- Energy Consumption Less than 2.5 kWh/m3

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12 -8 *CNT-RO Permeate HPP From existing pretreatment BP ERD Rejection Brine Brackish water pump

19.11 g/l

**PRO rack BP PT Brine pump Turbine BP Brackish water Concentrated Brackish water Brine discharge Diluted brine New RO

Energy consumption 2.66 kWh/m3

CNT/RO + PRO Desalination Plant

3.3 Hybrid Process For Desalination (CNT/RO + PRO)

Seawater

Dinking water

*CNT-RO : Carbon Nanotube – Reverse Osmosis **PRO : Pressure Retarded Osmosis

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3.2 New Desalination Plant using CNT/RO membrane

70 g/l

Energy consumption 2.94 kWh/m3 CNT-RO Permeate HPP From existing Preteatment High pressure

pump BP Booster _Pump

ERD

Energy recovery system

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3.3.2 Hybrid Process For Desalination (FO + CNT/RO + PRO)

CNT-RO Permeate HPP From existing pretreatment BP ERD Rejection Brine Brackish water pump

19.11 g/l

PRO rack BP PT Brine pump Turbine BP Brackish water Concentrated Brackish water Brine discharge Diluted brine New RO

Energy consumption 2.36 kWh/m3 Seawater

FO Rack

Drinking _water

FO + CNT/RO + PRO Desalination Plant

9 CNT-RO Permeate HPP From existing pretreatment BP ERD Rejection Brackish water pump

19.11 g/l

` *FO Rack Brine BP Brackish water Brine discharge Energy consumption 2.66 kWh/m3

3.3.1 Hybrid Process For Desalination (FO + CNT/RO)

Seawater

Dinking water

FO + CNT/RO Desalination Plant

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5. R&D to Commercialization

FEED Study

CNT/RO Membrane

New Process

Engineering

Innovation

Catch-up

New desalination process & engineering package

using CNT/RO with Osmosis system

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4. Joint Research Area with NTU in desalination

Group Research Area Synergetic area

Hyundai E&C (R&D) • CNT/RO membrane ; Pilot testing • FEED study ; Engineering design • Business creating ; MP/FS investigation

Joint research target as energy consumption : less than 2.5 kWh/m3

• CNT Pilot test study in Korea (200 m3/d)

• FEED study & Business development

NTU

• FO/PRO membrane • System integration • Advanced fouling

control

• FO/PRO hollow fiber membrane

development

• Process feasibility study & system

integration

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수분이 포함된 폐기물 건조 기술동향

권성열 대표

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유기성 슬러지 바이오에너지화

송형운 수석연구원

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42 -- 7 -- 160 180 200 220 240 260 280 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

Pr

essu

re(

bar

)

Reaction Temperature(

℃

) Pig manure

Saturated vapor pressure

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Items Items Poultry Slaughter _Waste Sewage Sludge Livestock Waste

Proximate analysis (wt%) Moisture 82.47 83.46 80.20 Volatile 14.26 11.83 14.73 Fixed-C 1.28 1.26 1.95 Ash 1.99 3.45 3.12 Ultimate analysis (dry basis, wt%) Carbon(%) 61.94 41.27 43.95 Hydrogen(%) 7.22 6.02 6.27 Oxygen(%) 5.28 27.47 29.23 Nitrogen(%) 6.51 7.49 4.43 Sulphur(%) 0.00 1.02 0.67 High heating value

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46 -- 15 -- 3 (a) raw (b) 80℃ (c)130℃ (d) 150℃ (e) 170℃ (f) 190℃

습식열분해반응에 따른 정성적 물성 변화

도계폐기물 습식열분해반응 조건 최적화 연구

- 14 - Reaction Temperature(℃) 170℃ 180℃ 190℃ 200℃ 210℃ 220℃ Ti me (se c) 0 100 200 300 400 500 Reaction Temperature(℃) 170℃ 180℃ 190℃ 200℃ 210℃ 220℃ Time (s ec ) 0 20 40 60 80 100

CST 평가

TTF 평가

도계폐기물 습식열분해반응 온도별 탈수능력 변화 평가

도계폐기물 습식열분해반응 조건 최적화 연구

CST & TTF : 탃수능력의 지표로서 시간이 짧을수록 탃수성 우수

CST : Capillary suction time (여과포에서의 침투시간을 의미) TTF : Time to Filter (여과포의 투과시간을 의미)

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- 17 - 0 2 4 6 8 10 12 14 DS 170℃ 180℃ 190℃ 200℃ 210℃ 220℃ R ati o Reaction Temperature(℃) C/H C/O Reaction Temperature(℃) DS 170℃ 180℃ 190℃ 200℃ 210℃ 220℃ Hi gh er He at ing Val ue (K al/ kg ) 6400 6600 6800 7000 7200 7400 7600 7800 Sol id Y ield (% ) 50 60 70 80 90 100

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습식열분해 공정 흐름도

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제3차 환경에너지 지식연구회