WHAT No Addition of Chemicals. WHY Prevents Odor and Corrosion HOW PURE OXYGEN. Environmentally Friendly SUSTAINS AEROBIC CONDITIONS

ECO~

PRESENTATION OUTLINE PRESENTATION OUTLINE PRESENTATION OUTLINE PRESENTATION OUTLINE

1.

1. Speece Speece Cone RootsCone Roots 2

2 Technology Technology OverviewOverview 2.

2. Technology Technology OverviewOverview 3.

3. Speece Speece Cone Cone AttributesAttributes 4.

4. Case Case StudiesStudies C l i   C l i   5.

5. Conclusions Conclusions  6.

6. Q/AQ/A

PIONEERING EFFORTS

PIONEERING EFFORTS BRAIN TRUSTBRAIN TRUST PIONEERING EFFORTS

PIONEERING EFFORTS –– BRAIN TRUST BRAIN TRUST

Dr Richard Speece Dr Richard Speece Dr. Richard Speece Dr. Richard Speece

Professor Emeritus Vanderbilt Professor Emeritus Vanderbilt BS

BS –– Fenny UniversityFenny Universityyy yy MS

MS –– Yale UniversityYale University Ph D

Ph D –– MITMIT

Dr. George Tchobanoglous Dr. George Tchobanoglous Professor Emeritus UC Davis Professor Emeritus UC Davis Professor Emeritus UC Davis Professor Emeritus UC Davis BS

BS –– University of the PacificUniversity of the Pacific MS

MS –– UC BerkeleyUC Berkeleyyy Ph D

Ph D –– Stanford UniversityStanford University

SUPEROXYGENATION SUPEROXYGENATION SUPEROXYGENATION SUPEROXYGENATION

PURE OXYGEN

WHAT ƒ No Addition of Chemicals

ƒ Environmentally Friendly

WHY

SUSTAINS AEROBIC CONDITIONS

ƒ Prevents Odor and Corrosion

WHY ^ƒ Prevents Odor and Corrosion

ƒ Sustains Aquatic Life

HOW

ECO2 TECHNOLOGY

ƒ Simple Design

ƒ Very Efficient (OTE > 90%)

TECHNOLOGY OVERVIEW TECHNOLOGY OVERVIEW TECHNOLOGY OVERVIEW TECHNOLOGY OVERVIEW

Side Stream Pump

Oxygen Gas

Unscreened Raw Wastewater Wastewater

Force Main Oxygenated

Raw Water

CONE DESIGN CONE DESIGN CONE DESIGN CONE DESIGN

• Stainless Steel Construction

• No inner mixers or baffles

• No inner mixers or baffles

• Self-cleaning device

SYSTEM COMPONENTS SYSTEM COMPONENTS SYSTEM COMPONENTS SYSTEM COMPONENTS

ECO2 SYSTEM CONTROLS ECO2 SYSTEM CONTROLS

SUPEROXYGENATION

SUPEROXYGENATION FOCUSFOCUS SUPEROXYGENATION

SUPEROXYGENATION FOCUSFOCUS

WASTEWATER WATER QUALITY WASTEWATER WATER QUALITY

Odor / Corrosion Restore Water

Prevention Quality

WATER QUALITY WATER QUALITY WATER QUALITY WATER QUALITY

IMPORTANCE OF

IMPORTANCE OF D OD O IMPORTANCE OF

IMPORTANCE OF D.O.D.O.

Positive D O No D O

Positive D.O. No D.O.

Support Aquatic Life Fish Kills

Reduces BOD Level Increases BOD Level Prevents H2S Production Odors

Prevents H2S Production Odors Prevents Iron &

Manganese Release

Taste and Odor in Drinking Water Manganese Release Drinking Water

How can

How can D OD O be added ?be added ? How can

How can D.O.D.O. be added ?be added ? Surface Aeration

B bbl Diff

Bubble Diffusers

SuperOxygenation

ECO

ECO HH lili titi OO titi ECO

ECO²²: : HypolimneticHypolimnetic OxygenationOxygenation

DO DO

ƒ Pulls water from hypolimnion & discharges oxygenated water back i t th h li i

into the hypolimnion

ƒ Water of same density remains in hypolimnion

ƒ D O brought to the source where it is needed most to

© Queensland Australia EPA

ƒ D.O. brought to the source where it is needed most to

ƒ Prevent H2S Formation and Fe&Mn Release

SURFACE AERATION SURFACE AERATION SURFACE AERATION SURFACE AERATION

O₂

O₂ O₂₂

ƒ Mixing of the entire Volume required

ƒ Destratification

ƒ Cold water mixed with warm water from surface

© Queensland Australia EPA

ƒ Nutrients from Sediment stirred up and brought to top Æ increase in algae growth

BUBBLE DIFFUSERS BUBBLE DIFFUSERS BUBBLE DIFFUSERS BUBBLE DIFFUSERS

O₂

O₂ O₂

O₂

O₂

O2

O₂

2

ƒ Bubbles rise – O2 must dissolve while bubble is rising

ƒ O2 that reaches the surface is wasted

ƒ O2 is needed in sediment

ff f

© Queensland Australia EPA

ƒ Air Diffusers must operate continuously to prevent clogging from bio-growth

ƒDestratification

ƒ ECO2 Technology maintains the natural stratification of the lake

No nutrients are stirred up from the sediment and

ƒ No nutrients are stirred up from the sediment and brought to the upper algae growth zone

ƒ Colder water remains on the bottom:

ƒ Easier Water Treatment

ƒ Maintains cold water fish habitat

ƒ No Mixers or Aerators on the surface

ƒ No visual impact on the lake’s surfacep

ƒ No obstacles for recreational activities such as boating, waterskiing or fishing

ECO2 T h l dd l d di l d t

ƒ ECO2 Technology adds already dissolved oxygen to the water

ƒ Liquid-to-liquid mixing allows for faster & broader qu d to qu d g a o s o aste & b oade distribution of O2

ƒ Does not waste any oxygen

ƒ O2 feed rate can be precisely controlled and adjusted to respond to DO levels in water body

ƒ Robust system can be turned off as needed without

ƒ Robust system can be turned off as needed without danger of clogging delivery pipes

APPLICATIONS APPLICATIONS APPLICATIONS APPLICATIONS

1 Collection System 1. Collection System

2. Head Works

4 Aeration

5. Disinfection

3. Primary Clarifier 6. D.O. Discharge 4. Aeration

y

7 Surface Water

© Orange County Sanitation District

7. Surface Water

7 SURFACE WATER 7 SURFACE WATER 7. SURFACE WATER 7. SURFACE WATER

Hypolimnion

GOALS

¾ Supplement D.O. to Sustain Aquatic Life

¾ Prevent H S Formation

¾ Prevent H₂S Formation

¾ Prevent Iron and Manganese Release

DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR

4.2 MGD . 2,200 lb O2 / day

Results: Cone D.O. Discharge 60 mg/L Results: Cone D.O. Discharge 60 mg/L

Marston Reservoir Bottom Dissolved Oxygen 2008 vs. 2009

10

12 Oxygenation reduced on 

June 9 to 75% Oxygenation reduced  on July 8 to 50%

Oxygenation increased on July 27 to 75%

8

en, mg/l Oxygenation increased 

on August 11 to 100%

y

4 6

solved Oxyge

Oxygenation turned  on May 14, 2009 at 

100% feed rate

2008 DO‐Typical Anoxia

2 4

Diss 2008 DO Typical Anoxia 

Mid July through Mid‐September 

0

7‐Apr 4‐Apr ‐May ‐May ‐May ‐May ‐May 5‐Jun 2‐Jun 9‐Jun 6‐Jun 3‐Jul 10‐Jul 17‐Jul 24‐Jul 31‐Jul 7‐Aug 4‐Aug 1‐Aug 8‐Aug 4‐Sep 1‐Sep 8‐Sep 5‐Sep 2‐Oct 9‐Oct

17 24 1‐ 8‐ 15‐ 22‐ 29‐ 5 12 19 26 1 1 2 3 7 14 21 28 4 11 18 25 2 9

2008 2009

GOWANUS

GOWANUS CANNALCANNAL NYNY GOWANUS

GOWANUS CANNALCANNAL, NY, NY

• 30 m Wide

• 24 00 m Long

• 24,00 m Long

• 4 m Deep

GOWANUS

GOWANUS CANAL NYCANAL NY GOWANUS

GOWANUS CANAL, NYCANAL, NY

GPA Savannah Harbor GA GPA - Savannah Harbor, GA

GPA

GPA Savannah Harbor GASavannah Harbor GA GPA

GPA -- Savannah Harbor, GASavannah Harbor, GA

CONE: 12 ft Diameter, 24 ft tall (x2) GOAL: Dissolve 30,000 lbs / day GOAL: Dissolve 30,000 lbs / day

D O DISCHARGE TMDL D O DISCHARGE TMDL D.O. DISCHARGE TMDL D.O. DISCHARGE TMDL

Disinfection Disinfection Disinfection Disinfection

Effluent Pipe Effluent Pipe

GOALS GOALS

¾

¾ Meet D.O. Discharge StandardsMeet D.O. Discharge Standards

¾

¾ P i t SP i t S LL dd

¾

¾ Point Source LoadsPoint Source Loads

¾

¾ Offset Residual BOD Offset Residual BOD –– NET ZERO NET ZERO

NET

NET ZERO ULTIMATE OXYGEN DEMANDZERO ULTIMATE OXYGEN DEMAND NET

NET--ZERO ULTIMATE OXYGEN DEMAND ZERO ULTIMATE OXYGEN DEMAND

ƒƒ WWTP Effluent Contains Residual PollutantsWWTP Effluent Contains Residual PollutantsWWTP Effluent Contains Residual Pollutants WWTP Effluent Contains Residual Pollutants i.e BOD and Ammonia

i.e BOD and Ammonia

ƒƒ Bacteria in the Receiving Water Biologically Bacteria in the Receiving Water Biologically Consume Residual Pollutants

Consume Residual Pollutants

ƒƒ This Biological Process Causes an This Biological Process Causes an

Oxygen Demand in the Receiving Water Oxygen Demand in the Receiving Water Oxygen Demand in the Receiving Water Oxygen Demand in the Receiving Water

ƒƒ Reduced Oxygen Damages Aquatic LifeReduced Oxygen Damages Aquatic Lifeygyg gg qq

TREATMENT OPTIONS TREATMENT OPTIONS TREATMENT OPTIONS TREATMENT OPTIONS

1

1 Zero Effluent DischargeZero Effluent Discharge 1.

1. Zero Effluent Discharge Zero Effluent Discharge

-- Effluent Stored Onsite used for Reclaim Water Effluent Stored Onsite used for Reclaim Water NOT PRACTICAL

NOT PRACTICAL

2.

2. Tertiary / Reverse Osmosis Treatment Tertiary / Reverse Osmosis Treatment

-- Residual Pollutants RemovedResidual Pollutants Removed VERY EXPENSIVE VERY EXPENSIVE

3. Dissolved Oxygen Offset

3. Dissolved Oxygen Offset -- SuperOxygenationSuperOxygenation -- Satisfy Oxygen Demand of Residual PollutantsSatisfy Oxygen Demand of Residual Pollutants

PRACTICAL AND INEXPENSIVE PRACTICAL AND INEXPENSIVE PRACTICAL AND INEXPENSIVE PRACTICAL AND INEXPENSIVE

KENNEBUNK ME KENNEBUNK ME KENNEBUNK, ME KENNEBUNK, ME

5.0 MGD

5.0 MGD ^.. 210 lb O210 lb O₂₂ / day/ day

R lt WWTP Pl t D O Di h 8 /L R lt WWTP Pl t D O Di h 8 /L Results: WWTP Plant D.O. Discharge 8 mg/L Results: WWTP Plant D.O. Discharge 8 mg/L

EFFLUENT D O LEVEL EFFLUENT D O LEVEL

Effluent D.O. June 1, 2007 - Sept 31, 2007

EFFLUENT D.O. LEVEL EFFLUENT D.O. LEVEL

JUNE 1 2007Effluent D.O. June 1, 2007 Sept 31, 2007SEPT 31 2007

16 0 17.0 18.0 19.0 20.0

JUNE 1, 2007 – SEPT 31, 2007

D.O. Average = 9.2 mg/L

11.0 12.0 13.0 14.0 15.0 16.0

mg/L)

5.0 6.0 7.0 8.0 9.0 10.0

D.O. (m

l

D O Standard = 8 0 mg/L

0.0 1.0 2.0 3.0 4.0

18-May-07 7-Jun-07 27-Jun-07 17-Jul-07 6-Aug-07 26-Aug-07 15-Sep-07

D.O. Standard = 8.0 mg/L

Date

DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR DRINKING WATER RESERVOIR

4.2 MGD . 2,200 lb O2 / day

Results: Cone D.O. Discharge 60 mg/L Results: Cone D.O. Discharge 60 mg/L

Marston Reservoir Bottom Dissolved Oxygen 2008 vs. 2009

10

12 Oxygenation reduced on 

June 9 to 75% Oxygenation reduced  on July 8 to 50%

Oxygenation increased on July 27 to 75%

8

en, mg/l Oxygenation increased 

on August 11 to 100%

y

4 6

solved Oxyge

Oxygenation turned  on May 14, 2009 at 

100% feed rate

2008 DO‐Typical Anoxia

2 4

Diss 2008 DO Typical Anoxia 

Mid July through Mid‐September 

0

7‐Apr 4‐Apr ‐May ‐May ‐May ‐May ‐May 5‐Jun 2‐Jun 9‐Jun 6‐Jun 3‐Jul 10‐Jul 17‐Jul 24‐Jul 31‐Jul 7‐Aug 4‐Aug 1‐Aug 8‐Aug 4‐Sep 1‐Sep 8‐Sep 5‐Sep 2‐Oct 9‐Oct

17 24 1‐ 8‐ 15‐ 22‐ 29‐ 5 12 19 26 1 1 2 3 7 14 21 28 4 11 18 25 2 9

2008 2009

SUPEROXYGENATION FOCUS SUPEROXYGENATION FOCUS SUPEROXYGENATION FOCUS SUPEROXYGENATION FOCUS

WASTEWATER WASTEWATER WATER QUALITY

WATER QUALITY WASTEWATERWASTEWATER WATER QUALITY

WATER QUALITY

Odor / Corrosion Odor / Corrosion Restore Water

Restore Water

Prevention Prevention Restore Water

Restore Water Quality

Quality

ROOT CAUSE OF

ROOT CAUSE OF

ODOR ODOR

ROOT CAUSE OF

ROOT CAUSE OF

ODOR ODOR

Oxygen Nitrate Sulfate Oxygen Nitrate Sulfate

Under

Anaerobic

 Bacteria consumes BOD

 Bacteria consumes BOD

 Converts Sulfate to Sulfide

SO ² BOD N D O Æ H S SO₄^2- + BOD + No D.O. Æ H₂S

CORROSION

CORROSION

CORROSION

CORROSION

Sulfuric Acid:

Sulfuric Acid:

• Bacteria Converts Hydrogen Sulfide to Hydrogen Sulfide to Sulfuric Acid

H₂S + bacteria --- H₂SO₄

1 COLLECTION

1 COLLECTION SYSTEMSYSTEM 1. COLLECTION

1. COLLECTION SYSTEMSYSTEM

GOALS

¾ Sustains Aerobic Conditions

¾ Prevents H₂₂S and Corrosion

¾ Eliminates Cover and Scrub

LAGUNA BEACH CA LAGUNA BEACH CA LAGUNA BEACH, CA LAGUNA BEACH, CA

ECO₂ Cone

Side stream Pump

System Intake

System Discharge y

2 HEAD WORKS 2 HEAD WORKS 2. HEAD WORKS 2. HEAD WORKS

Influent Pipe

Head Works p

GOALS GOALS

¾ Sustains Aerobic Conditions

¾ Prevents H₂S and Corrosion

¾ Eliminates Cover and Scrub

¾ Eliminates Cover and Scrub

Cheeney

Cheeney CreekCreek WWTPWWTP Fishers INFishers IN Cheeney

Cheeney Creek Creek WWTPWWTP -- Fishers, INFishers, IN

5.0 MGD ^. 5 hrs HRT

R lt 5 10 /L D O t Pl t H d W k Results: 5 - 10 mg/L D.O. at Plant Head Works

Allisonville Road Hague Road Smock Creek

3 PRIMARY CLARIFIER 3 PRIMARY CLARIFIER 3. PRIMARY CLARIFIER 3. PRIMARY CLARIFIER

>90% of odors

GOALS

¾ Eliminates Cover and Scrub

¾ Eli i t C fi d S I

¾ Eliminates Confined Space Issues

¾ Does Not Impact Settling

TRA

TRA Dallas TXDallas TX TRA

TRA -- Dallas, TXDallas, TX

150 MGD ^. 14,000 lb O₂ / day

Anticipated Results: 0 0 mg/L DS into Primary Clarifier Anticipated Results: 0.0 mg/L DS into Primary Clarifier

4 AERATION 4 AERATION 4. AERATION 4. AERATION

GOALS

¾ Pure Oxygen Plants

¾ Increased Capacity

¾ Increased Capacity

¾ Peak Power Shaving

INSTALLATION SCHEMATIC INSTALLATION SCHEMATIC INSTALLATION SCHEMATIC INSTALLATION SCHEMATIC

5 OZONE DISINFECTION 5 OZONE DISINFECTION 5. OZONE DISINFECTION 5. OZONE DISINFECTION

GOALS

¾ Efficient Ozone Transfer

¾ Reduce Oxygen Feed Gas

¾ Reduce Oxygen Feed Gas

¾ Reduce Residual Ozone Destruction

ECO

ECO SYSTEMSYSTEM DIFFUSERSDIFFUSERS ECO

ECO₂₂ SYSTEM vs. DIFFUSERSSYSTEM vs. DIFFUSERS

6

6 D OD O DISCHARGE /DISCHARGE / BODBOD OFFSETOFFSET 6.

6. D.O.D.O. DISCHARGE / DISCHARGE / BODBOD OFFSETOFFSET

Disinfection Disinfection

Effluent

GOALS

¾ Meet TMDL D.O. Discharge Standards

¾ Offset Residual BOD

¾ Offset Residual BOD

KSD

KSD Kennebunk MEKennebunk ME KSD

KSD -- Kennebunk, MEKennebunk, ME

5.0 MGD ^. 210 lb O₂ / day

Results: WWTP Plant D O Discharge 8 mg/L Results: WWTP Plant D.O. Discharge 8 mg/L

CONCLUSIONS CONCLUSIONS CONCLUSIONS CONCLUSIONS

ƒ “Aerobic Cap” above sediment

ƒ Aerobic Cap above sediment

PREVENTS release of Fe & Mn and formation of H2S

ƒ Robust System

ƒ High Oxygen Transfer Efficiency

ƒ Targeted Delivery of D.O.g y

ƒ Extremely low O&M

QUESTIONS?

QUESTIONS?

QUESTIONS?

QUESTIONS?

David Clidence David Clidence

dclidence@eco2tech.com dclidence@eco2tech.com

www eco2tech com

www.eco2tech.com