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The Coalition for Buzzards Bay

(2011 Decision Maker Workshops – Reducing Nitrogen Pollution)

BioprocessH20
i

Biological...
Presentation Outline
Nitrogen Removal Technologies:
Suspended Growth and Fixed Film Processes

• Airlift MBR Overview
• Ai...
bioprocessH2O Background
• Location: Portsmouth, RI
• Founded: In 2002
• F
Focus: Fi d Fil and Membranes Systems for
Fixed...
bioprocessH2O Offerings
Membrane Technology
• BioPULSE™ - Municipal/Industrial (Airlift)
• BioFLOW – Primarily Industrial ...
Membrane BioReactor Timeline

[60-70s]
Side Stream
Crossflow
MBRs

[80s Today]
[80s-Today]
Immersed
MBR –
Hollow
Fiber and...
bioPULSE™ Airlift External
Tubular M
T b l Membrane Technology
b
T h l
Advantages over Immersed Membranes
•

Ease of Insta...
Airlift™ MBR Components

Air dif.
Norit AirLift™ bioPULSE™ Tubular
Membranes Technical Specifications
•

Membrane type:
yp

PVDF, (5.2 mm dia.)
,(
)

•

Mem...
Typical Airlift™ MBR System
(Process Flow)

De Aeration

Chemical Dosing

UF
Fine Screening
Fi
S
i
(2 mm)

Backwash

Bio-R...
Typical Airlift Membrane Backwash and Cleaning Cycles
yp
g y
Hydraulic Cleaning:
• Frequency:
• Duration:
• Drain/Flush:
M...
AirliftTM MBR Nitrogen Removal System
(Flow Diagram – MLE Process)
Norit Airlift™ MBR Title 22 Certification
Point L
P i t Loma WWTP – S
San Di
Diego, CA (R
(Report, July 2006*)
J l

•
•
•
...
CASE STUDY: Ootmarsum – Netherlands
Plant Start-Up, October 2007
(MBR Pil t d f
Piloted from 2003 2005)
2003-2005)
Ootmarsum – Netherlands
WWTP Location: Ootmarsum - Netherlands
WWTP Prior to Upgrade: Ootmarsum - Netherlands
• Original plant installed in early 1970’s
• Region developed into a summer...
Ootmarsum – The Netherlands

Conventional Activated
Sludge Plant

Airlift MBR
i lif
Process Overview

sand filter

CAS
pretreatment

overflow

MBR Piloted from 2003-2005, the drain/flush cycle
resulted due ...
MBR Process Flow

anaerobic

drum screen
d

Aeration tank
anoxic

membranes
Plant Loading & Effluent Requirements
Population Equivalent

14,000 / 18,500

Dry Weather Flow
D W th Fl

0.95
0 95 MGD

W...
Design Parameters
Parameters
F:M Ratio
MLSS (Nominal)
Design SRT
Equalization Tank Volume
Plant Flows:
Dry Weather Flow
We...
Site Photographs
Site Photographs
Effluent Data
Parameter
( g )
(mg/L)

MBR

CAS/Sand
Filter

Effluent
(combined)
(
)

Effluent
Targets
g

BOD5

0.8

1.3

<...
bioFAS™ LCM & MBBR/IFAS Process
Modified Ludzak Ettinger (MLE)

Process Advantages
• Retrofit and Upgrade Existing Convent...
bioFAS MBBR/IFAS
bioFAS MBBR/IFAS Nitrogen Conversion/Removal
pp
Process Applications


BOD Reduction/Nitrification
/


...
bioFAS Submerged Attached Growth Biofilm Reactors

LCM Racks - Cost effective retro-fit and upgrade
of existing aeration b...
Submerged Attached Growth LCM
Racks being installed in a basin
Modular Treatment Unit Components
bioFAS™ MLE IFAS Process

(Anoxic = 100’L x 50’W, Aerobic = 220’L x 50’W) – 3MGD  6MGD
MBBR/IFAS REACTOR INTERNAL EQUIPMENT
/
Q
Coarse Bubble Aeration Grid

Media Retention Screens
Industrial Site, Meriden CT
Animal Rendering Plant – TN
(Two Stage MBBR, Upgrade of RBC’s)

•

Table 1: Influent Concentration Ranges and Effluent
Con...
Rendering Plant – TN
Rendering Plant – TN
QUESTIONS?
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Innovative Techonolgies - Membrane and Moving Bed Biofilm Reactor

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A presentation about innovative technologies to remove nitrogen from wastewater. Presented by Peter Annunziato from BioprocessH2O during the Buzzards Bay Coalition's 2011 Decision Makers Workshop series. Learn more at www.savebuzzardsbay.org/DecisionMakers

Published in: Education, Technology
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Innovative Techonolgies - Membrane and Moving Bed Biofilm Reactor

  1. 1. The Coalition for Buzzards Bay (2011 Decision Maker Workshops – Reducing Nitrogen Pollution) BioprocessH20 i Biological Treatment and Filtration Systems
  2. 2. Presentation Outline Nitrogen Removal Technologies: Suspended Growth and Fixed Film Processes • Airlift MBR Overview • Airlift MBR Case Study • MBBR/IFAS Overview • MBBR Case Study
  3. 3. bioprocessH2O Background • Location: Portsmouth, RI • Founded: In 2002 • F Focus: Fi d Fil and Membranes Systems for Fixed Film d M b S t f Wastewater Treatment and Water Reuse Applications • Active In-House Research & Development Programs (including bench scale pilot and treatability studies)
  4. 4. bioprocessH2O Offerings Membrane Technology • BioPULSE™ - Municipal/Industrial (Airlift) • BioFLOW – Primarily Industrial (Crossflow) • T iPURE™ - Tertiary for Water Reuse TriPURE™ Biofilm Technology • Static Loop Composite Chord (HRBF, SAGR) • Moving Bed Biofilm Reactor (MBBR/IFAS) Photobioreactor Technology • Algae Growth and Harvesting
  5. 5. Membrane BioReactor Timeline [60-70s] Side Stream Crossflow MBRs [80s Today] [80s-Today] Immersed MBR – Hollow Fiber and Flat Sheets [Early 2000 -…] Airlift MBR utilizing pressurized side stream membranes
  6. 6. bioPULSE™ Airlift External Tubular M T b l Membrane Technology b T h l Advantages over Immersed Membranes • Ease of Installation • Automated Membrane Cleaning without Chemical A t t dM b Cl i ith t Ch i l or Wastewater Exposure • Safe Operator Environment (i.e. no confined space, no MLSS exposure, facilitates service and membrane replacement) • No special cranes, lifts or hoists required for O&M
  7. 7. Airlift™ MBR Components Air dif.
  8. 8. Norit AirLift™ bioPULSE™ Tubular Membranes Technical Specifications • Membrane type: yp PVDF, (5.2 mm dia.) ,( ) • Membrane Area/8” Module: (355 ft2/module) • Configuration: Parallel • Feed/module: ~6 scfm air ~100 gpm MLSS 6 air, 100 • Energy consumption: ~1.0 – 1.25 kWh/1000 gallons • Flux (Ave/Peak): 25 GFD / 45 GFD • • TMP: pH: 1 – 5 psig 2 – 10 S.U. • Membrane life: y 7-10 years
  9. 9. Typical Airlift™ MBR System (Process Flow) De Aeration Chemical Dosing UF Fine Screening Fi S i (2 mm) Backwash Bio-Reactor 8-12 g/L Permeate control AirLift Circulation flow Drain
  10. 10. Typical Airlift Membrane Backwash and Cleaning Cycles yp g y Hydraulic Cleaning: • Frequency: • Duration: • Drain/Flush: Maintenance Cleaning: • Frequency: • Duration: • Chemicals: Backwash (automated) 5 – 10 minutes 5 – 10 seconds 4 – 6 cycles/day CEB (automated) 4-8 weeks 2 – 4 hours total NaOCl & NaOH HCl or Citric acid
  11. 11. AirliftTM MBR Nitrogen Removal System (Flow Diagram – MLE Process)
  12. 12. Norit Airlift™ MBR Title 22 Certification Point L P i t Loma WWTP – S San Di Diego, CA (R (Report, July 2006*) J l • • • • • • Permeate Production – Average 30 GFD for 20 hours and hours, Peak 45 GFD for 4 hours Equivalent to ~10,000 gpd/8” module q , gp BOD and TSS: <2 mg/L Total Nitrogen: <5 mg/L Turbidity: <0.1 NTU Total Coliform: >5-log removal (bdl for all samples) * Report prepared by Montgomery Watson Harza
  13. 13. CASE STUDY: Ootmarsum – Netherlands Plant Start-Up, October 2007 (MBR Pil t d f Piloted from 2003 2005) 2003-2005)
  14. 14. Ootmarsum – Netherlands
  15. 15. WWTP Location: Ootmarsum - Netherlands
  16. 16. WWTP Prior to Upgrade: Ootmarsum - Netherlands • Original plant installed in early 1970’s • Region developed into a summer vacation destination • Peak wet weather flows can be >4X dry weather flows • Upcoming legislation driving N&P limits
  17. 17. Ootmarsum – The Netherlands Conventional Activated Sludge Plant Airlift MBR i lif
  18. 18. Process Overview sand filter CAS pretreatment overflow MBR Piloted from 2003-2005, the drain/flush cycle resulted due to pilot testing
  19. 19. MBR Process Flow anaerobic drum screen d Aeration tank anoxic membranes
  20. 20. Plant Loading & Effluent Requirements Population Equivalent 14,000 / 18,500 Dry Weather Flow D W th Fl 0.95 0 95 MGD Wet Weather Flow 4.1 MGD Parameter (mg/L) Influent* Effluent Limit Effluent Target COD 715 - - BOD 227 5 2 TSS 350 5 2 TKN 58 - - NH3-N 26 0.8 0.5 Total N 58 10 4 Total T t lP 13.7 13 7 1 0.15 0 15 *Annual Averages
  21. 21. Design Parameters Parameters F:M Ratio MLSS (Nominal) Design SRT Equalization Tank Volume Plant Flows: Dry Weather Flow Wet Weather Flow MBR CAS Units 0.04 0.04 #BOD/#MLSS 10,000 3500 mg/L 18 18 days 0.19 SHARED MG 0.48 0.95 0.48 3.17 MGD MGD Biological Tank Volume/HRT Bi l i l T k V l /HRT (based on DWF) Anaerobic Anoxic Aeration Secondary Clarifier Membrane Design Flux: Dry Weather Flow Wet Weather Flow MG/Hours MG/Hours / MG/Hours .035/1.7 / .048/2.4 0.2/10 None ~100 Feet 24-28 32-37 NA NA GFD GFD
  22. 22. Site Photographs
  23. 23. Site Photographs
  24. 24. Effluent Data Parameter ( g ) (mg/L) MBR CAS/Sand Filter Effluent (combined) ( ) Effluent Targets g BOD5 0.8 1.3 <1 <2 TSS <1 <1 <1 <2 Total N 3.7 3.3 3.5 <4 Total P* 2.2 1.1 1.7 <0.15 • • MBR Start-Up: October 2007 *Bio P removal not optimized and not required by permit
  25. 25. bioFAS™ LCM & MBBR/IFAS Process Modified Ludzak Ettinger (MLE) Process Advantages • Retrofit and Upgrade Existing Conventional Activated Sludge WWTPs pg g g • Denitrification to less than 10 mg/L TN • Compact Footprint
  26. 26. bioFAS MBBR/IFAS bioFAS MBBR/IFAS Nitrogen Conversion/Removal pp Process Applications  BOD Reduction/Nitrification /  Total Nitrogen Removal Systems • Modified Ludzak Ettinger (MLE) - BNR • Modified 4-stage Bardenpho – ENR  IFAS or MBBR Processes (25% up to 75% v/v)
  27. 27. bioFAS Submerged Attached Growth Biofilm Reactors LCM Racks - Cost effective retro-fit and upgrade of existing aeration basins and lagoons  Support rack with SS looped cord media Modular Treatment Units (MTU)  Rectangular Carbon Steel Tank
  28. 28. Submerged Attached Growth LCM Racks being installed in a basin
  29. 29. Modular Treatment Unit Components
  30. 30. bioFAS™ MLE IFAS Process (Anoxic = 100’L x 50’W, Aerobic = 220’L x 50’W) – 3MGD  6MGD
  31. 31. MBBR/IFAS REACTOR INTERNAL EQUIPMENT / Q Coarse Bubble Aeration Grid Media Retention Screens
  32. 32. Industrial Site, Meriden CT
  33. 33. Animal Rendering Plant – TN (Two Stage MBBR, Upgrade of RBC’s) • Table 1: Influent Concentration Ranges and Effluent Concentrations reported b C i d between June 1, 2010 and September 20 0 dS b 30, 2010 (based on grab samples) Parameter Influent Effluent Flow (GPM) 30 30 BOD (mg/L) 350-1,800 Not Measured TKN 250-550 Not Measured Ammonia-N (mg/L) 200-500 <5 Nitrite-N (mg/L) <5 <1 Nitrate-N (mg/L) 5-80 200-400 TSS (mg/L) 350-800 400-800 DO (mg/L) <1 >4 80-100 80-100 Temp (F)
  34. 34. Rendering Plant – TN
  35. 35. Rendering Plant – TN
  36. 36. QUESTIONS?

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