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Transcript of 1 MBR ( e co friendly + e nergy saving ) KSMBR e - MBR 4 2011. 7. 15.
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하폐수 처리 MBR 기술 최신 동향
( eco friendly + energy saving )
KSMBR
e - MBR
서울특별시 제 4 회 물산업 신기술 발표회
2011. 7. 15
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Contents
Development in Wastewater Treatment
ECONITY Membrane
e-MBR Process
MBR Technology References
5
10
19
36Water Reuse System
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Ssangyong’s MBR Technology 연혁
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우리나라 공공하수처리시설 방류수 수질기준 변경 연혁
초고도처리필요
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Development in Wastewater Treatment
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Development in Wastewater Treatment
MBR (Membrane Bio-Reactor)
BNR (Biological Nutrient Removal)
1970 1980 1990 2000 Future
CAS (Conventional Activated Sludge)
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ConventionalActivated
Sludge
BiologicalNutrientRemoval
MembraneBio-Reactor
(A2O)
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MBR ?
Membrane Unit Physical Barrier for Separation
BNR Process Biological N, P Removal Mechanism
Nitrification Denitrification P Release & Uptake BOD Removal SS Removal Coliforms Removal
MBR(Membrane Bio-Reactor)
BNR
BOD, N, PRemoval
Membrane
SS, ColiformsRemoval
+ =
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Quality of Treated WaterEffluent
Parameter CAS BNR(A2O) MBR e-MBR Remark
BOD ○ ○ ◎ ◎ Biochemical Oxygen Demand- Organics indicator
COD ○ ○ ○ ○ Chemical Oxygen Demand- Organics indicator
SS ○ ○ ◎ ◎ Suspended Solids- Solids indicator
T-N × ○ ○ ◎Total Nitrogen- Nitrogen(nutrient) indicator- TKN(organic N+Ammonia) + NOx
T-P × ○ ○ ◎Total Phosphorous- Phosphorous(nutrient) indicator- Poly P + ortho P
Coliforms × × ◎ ◎ Coliform Bacteria
Note : ◎ excellent, ○ good, × has no treatment mechanism
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ECONITY Membrane
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Principle of Hollow Fiber Membrane
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Surface of ECONITY MembraneOuter Inner
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Technical Benefits Economical Benefits
Manufacturing ProcessStretching Method
Porosity: High (above 77%)Pore Shape: Slit TypePermeability ↑, Screen Effect ↑
Manufacturing Cost ↓
MaterialHDPE(Hydrophilic Coating)
Nominal Pore Size0.4 μm (Micro Filtration)
OD/ID/Wall Thickness0.65/0.41/0.12 mm
Operation Flux0.3~0.5 m3/m2/d
ECONITY Hollow Fiber Membrane
Traditional Stability & SafetyChemical Resistance: StrongLife-time: Long
Membrane Replacement Cost ↓
Complete Separation ofSolids & Bacteria
High Packing DensityFootprint: SmallEnergy Consumption: Low
Tolerance of Fouling: StrongTerm of Chemical Cleaning: Long
Construction Cost ↓
Maintenance Cost ↓
Benefits of ECONITY Membrane
Note : Membrane Life time is usually around 8~10 years and may vary subject to influent & operation conditions.
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ECONITY Membrane Manufacturing Plant
Location : Yongin, Republic of Korea
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ECONITY Cartridge Module
Permeate
Handle
ECONITY Hollow Fiber Membrane
320W×396H×490L, Weight 7kg
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ECONITY Frame
KMS-6007CF (1,326W×3,233H×2,948L, Q=600m3/day)
Permeate
Air
Aeration
Sludge Discharge
“M” Type for Air Distribution Uniformly
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Energy Saving - Due to high packing density, improved air supply pipe & dual aeration(fine/coarse bubble)
Easy to Clean & Maintain - Cartridge module is simple to insert/attach to/remove from frame - Light enough for one person to handle (cartridge module 7kg) - Cleaning in place (CIP) Maintenance cleaning : 1 time / 2 weeks Recovery cleaning : 1~2 times / year
The Materials are Highly Resistant to Chemicals & Other Impacts
Features of ECONITY Membrane System
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Quality Certification of Membraneby Public Procurement Service, Republic of KOREA
Note : The original company name was ‘KMS.” The company had its name changed to “Econity” in 2009
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e-MBR Process( New Excellent Technology No.337 Certified
by Ministry of Environment, Republic of KOREA )
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Features of MBR Process vs Conventional Type
High Quality & Stable Effluent - Use of submerged hollow fiber membrane - Not affected by sludge settling characteristics
Smaller Site (50% Reduction) & Lower Civil Work Cost - Does not need sedimentation, clarifier, disinfection, etc.
Waste Disposal Cost Saving - Due to substantial sludge reduction
Effluent Reuse - Perfect removal of SS & coliforms
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Advantages of e-MBR vs other MBR
Improved Nitrogen & Phosphorous Removal Efficiency - Pre & post denitrification with external carbon (optional) - Minimization of inhibition for nitrogen & phosphorous removal through DO control in Oxic 1
Energy Saving - DO recycle from oxic 2 to oxic 1 - Substantial energy saving during bio treatment in oxic 1 - Dual aeration(fine/coarse bubble) in membrane reactor realizes additional aeration saving (optional)
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Advantages of e-MBR
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High Quality Effluent
EffluentParameter
A2O, SBR and Other Conventional Type+Tertiary Treatment
+Disinfection
e-MBR
Typical Level(without chemical)
Achievable Level(with chemical)
BOD5 5 ~ 10 < 2 < 2
SS 5 ~ 10 < 1 < 1
T-N 5 ~ 15 < 15 < 10
T-P 0.5 ~ 1.5 < 1.5 < 0.5
Coliforms < 200 < 30 < 30
(Unit : mg/L, Nr/mL)
Note : Typical levels of N & P depend on influent characteristics such as C/N, C/P. Lower levels of N & P can be achieved by using additional chemicals.
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Required Installation Area
e-MBR ProcessConventional Process
(A2O+Tertiary)
Reducing around 1/2
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e-MBR EPC Cost
(100)(95)(80)
e-MBR SBR + Tertiary A2O + Tertiary
Civil 50 Mechanic 30 Electric 15
Civil 30 Mechanic 25 Electric 15 Mem. 10
Civil 55 Mechanic 30 Electric 15
(85)
Other MBR
Civil 30 Mechanic 25 Electric 15 Mem. 15
Note : Excluding land purchase costs
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e-MBR EPC + O&M Cost
Note : EPC cost + 20years O&M cost (assumed under the same condition, 10,000 ㎥ /d) Including power, chemical, sludge treat. and membrane replace cost Excluding labor, repair and other miscellaneous cost
(100)(95)(90)
e-MBR SBR + Tertiary A2O + Tertiary
EPC 75
(100)
Other MBR
O&M 15
EPC 80 EPC 85 EPC 90
O&M 20 O&M 10 O&M 10
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MBR Technology References
MBR KSMBR e-MBROptimization of BNRfor Ultimate Nutrient RemovalImprovement of Using Energy
Improvement of Nutrient Removal
Bio + Membrane
Upgrade Upgrade
by SSANGYONG & ECONITY
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Applications of Ssangyong MBR Technology
ECONITY Membrane 1, 100 PlantsMBR Technology (KSMBR) 160 Plants
Songsan Green-City STP84,000 ㎥ /day (Designing)
Jinhae Undong STP10,000 ㎥ /day (Constructing)
Youngjong Songsan STP30,000 ㎥ /day (Constructing)
Okcheon STP18,000 ㎥ /day (Operating)
Daegu Dalsung WWTP25,000 ㎥ /day (Operating)
Incheon Gongchon STP65,000 ㎥ /day (Constructing)
South Korea
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Project : Okcheon STPCapacity : 18,000 m3/dayLocation : Okcheon-gun, Chungcheongbuk-do, Korea
AfterKSMBR
Retrofitting
BeforeRetrofitting
(CAS+Tertiary)
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Project : Daegu Dalseong Industrial Complex WWTPCapacity : 25,000 m3/dayLocation : Dalseong-gun, Daegu, KoreaReuse : Industrial Water
AfterKSMBR
RetrofittingBefore
Retrofitting(CAS+Tertiary)
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Nation SiteCapa. ( ㎥ /
day)Site Nr
Sum of Capa. ( ㎥ /day)
Remark
S. Korea Sihwa Jeongok ect. STP 400 31 3,403
In OperationS. Korea Daegu Dalsung Industrial Complex WWTP 25,000 1 25,000
S. Korea Yeoncheon Baekhak Industrial Complex WWTP 500 1 500
S. Korea
Sewage FacilitiesExpansion Project
In the Upper Streamof Dam
Daechung Dam Area 1STP 18,000 1 18,000
STP 510 23 2,930
Under Con-struction
Daechung Dam Area 2 STP 190 13 1,210
Namgang Dam Area 1 STP 80 12 870
S. Korea Youngjong Songsan STP 30,000 1 30,000
S. Korea Incheon Gongchon STP 65,000 1 65,000
S. Korea Jinhae Unngdong ect. STP 10,000 18 24,895
S. Korea Ansan Sihwa MTV STP 32,000 1 32,000
DesigningS. Korea Songsan Green-City STP 84,000 1 84,000
S. Korea Wonju Business-City ect. STP 18,000 52 79,200
S. Korea Cheonan Pungse Industrial Complex ect. WWTP 5,000 4 8,300
China Inner Mongolia WWTP 600 1 600
In Operation
China Qingdao WWTP 50 2 70
China Beijing WWTP 200 1 200
China Yunnan STP 20 1 20
Russia Dekastri STP 300 1 300
N. Korea Pyeongyang STP 40 1 40
N. Korea Gangwon Goseong STP 400 1 400
Total 168 376,938
Track Record of Ssangyong MBR Technology
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KSMBR
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KSMBR e-MBR
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< 2007 Korea Environment Technology Awards >“KSMBR” won President Grand Award !
“KSMBR” Certified Green Technologyby Ministry of Environment, Republic of KOREA
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Water Reuse System
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Water Reuse System
Time Sequence
Water SourceW
ater
Qu
alit
y
Treatment for Water Supply/ Desalination
City Water
Sewage
Conventional Treatment Discharge
Reuse(General Quality)
e-MBR
e-MBR + RO Reuse(High Quality)
Water in Use
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Simplified Approach to Reuse
RO
Sewage
CleanWater
Treated Water
Gardening Water
e-MBR
Using
Supplement Water
Cleaning Water
Industrial Water
Agricultural Water
City Water
Stream Maintenance
FreshWater
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Concepts of Process for Reuse
BNR + Sand Filter (+ Biological Activated Carbon)
BNR + Microfiltration (+ Reverse Osmosis)
Membrane Bio-reactor (+ Reverse Osmosis)
The Latest Technology
(High Water Quality)
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e-MBR + RO Process
Sewage e-MBR
RO Module
RO Module
RO Module Concentrated Water
Produced Water
Reuse
Recycle or Waste
No pre-treatment is required for RO process
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Thank you
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e-MBR Energy Users
Permeate Pump7%
Misc.2% inlet
pump3%
Mixing18%
RAS Pump23%
Aeration(Bio+Me
m.)47%
In conventional MBR processes, aeration (bio aeration + membrane aeration) takes up over 70% of total energy used. E-MBR yields substantial energy saving, thanks to its efficient aeration process, from 70% to 50%.
Note : This is the result from pilot scale (60 ㎥ /day) testand specific inlet loading condition, so it can be different according to plant scale and condition.
Attachment 1
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ECONITY Company Description
Name : Econity Co., Ltd.Location : Yongin-Si, Gyeonggi-do, S.KoreaBranch Office : Shanghai, Los-AngelesEstablished : Sep., 1st, 1998 No. of Employee : 100 persons
Patents and New Environmental Technology
Local Patents
Membrane manufacture : 5
Module & System : 5 WWT Process : 3 Sludge Reduction : 1 MBR+RO Reuse : 1
International Patents
US Patent registration 3 (Membrane, Module, Air Diffuser) 2Patents Application in China 2Patents Application in Europe
New Technology
KSMBR Process for Adv. WWT e-MBR Process for Adv. WWT
Attachment 2
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Note : The original company name was ‘KMS.” The company had its name changed to “Econity” in 2009
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Note : The original company name was ‘KMS.” The company had its name changed to “Econity” in 2009