conference on advanced treatment for construction sites october 21 st , 2004
DESCRIPTION
Conference on Advanced Treatment For Construction Sites October 21 st , 2004 Sacramento, California. Presented by: James Mothersbaugh. Company Information. WT's first commercial project 1 st direct discharge to a public lake-TRANSCRIPT
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Conference on Advanced Treatment
For Construction Sites
October 21st, 2004
Sacramento, California
Presented by: James Mothersbaugh
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CONFIDENTIAL & PROPRIETARY - Use pursuant to Company instructions. Page 2
WT Company Information
1999 WT's first commercial project
2000 1st direct discharge to a public lake- <5ntu
2001 Conditional approval for continuous treatment Continuous toxicity testing- acute & chronicAutomated controls & online testing
2002 Wireless monitoring and performance controls
2003 Started Operations in California
2004 Expanded operations in Nevada, Texas, Florida
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WT Company Information
Scope of Services
Certified Toxicity Laboratory
Monitoring – Manual and inline automatic
Stormwater Treatment – multiple designsPermitting – SWPPP & NPDES
Equipment Supplier of Control Systems
Fabrication of Specialty Systems
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WT Stormwater Phase II
Clients
Microsoft
New Redmond City Hall
Port of San Francisco-Pier 48
New Washington Mutual Headquarters
Home Depot
Whole Foods
Sound Transit
Brightwater Design Team
I-5 Everett Design Team
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WT Stormwater Phase II
Trucking
Infiltration
Filtration
Passive Filtration
Polymer-chitosan
Electro-coagulation
We use various types of technologies
to process stormwater
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WT Trucking
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WT
Vault Excavation Dewatering
Lower Pond
Upper Pond
Site water flow to lower pond
collection point
Vegetated Dispersal Area
Creek
Site Boundary
Infiltration
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WT
Discharge to Creek
P2
P1
Riser Cone
All treated water dispersed
through perforated pipe
Job Box
P1 (fixed volume) activates P2 (set & calibrated) to P1 flow rate
Chitosan
Offsite water flow
Pond
Site water collection
point
Polymer - Chitosan
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CONFIDENTIAL & PROPRIETARY - Use pursuant to Company instructions. Page 9
WT
PF50
Cartridge Filters
SandMedia Filters
Settling Tank
Site-water Collection Point
Discharge to Storm
Backwash to Tank
Filtration - Cartridge, Sand & Bag
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WT
A
B
C
D
E
F
Overflow to holding tank
Overflow alarm float w/ light
Pressure ControlValve
Screen Filter
Sample PointCV
CV
Flow meter
A.2” reinforced, perforated suction hoseB.Pea GravelC.Sand / recycled glassD.5/8” – 7/9” washed rockE.4” reinforced, perforated suction hose
Fabric
Pump -50gpm @ 70’ head
(In riser cone)
Pressure Gage
Passive Filtration
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WT Electro-coagulation
Wave Ionics™ Trailer
Bottom Sludge Outlet To Sludge/Backwash
Tank
Heavy Sludge//Oil
Outlet
Self Cleaning Screen Filter
50 Micron
Clarifier/Skimmer
Self Cleaning Screen Filter 10 Micron
Backwash to Tank
Retention Vault/Pond
Influent from site
Pump Generator
Influent from site
Sludge/Backwash
AutomatedCo2
Injection Discharge to Storm
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WT
MAKE SURE WHEN COMPARISONS ARE MADE
EVERYTHING IS EQUAL
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WT WT’s Technologies
Electro-Coagulation
&
Carbon Dioxide Control of Alkalinity
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WT Reactions Comparison
Ferric chloride positive charge
Cationic polymers positive charge
Metal plates are charged & sacrifice a (+) metal ion
The metal ion is normally Ferric or Aluminum
• Colloids normally carry a negative charge
• Dosage rate is related to contaminant load
•The metal ion cause the destabilization of suspended particles•The destabilization results in several forms of coagulation (compression, adsorption, sweep & bridging) •The consumption of electrical energy is inversely proportional to the conductivity
Electrical-CoagulationChemical Coagulation
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WT Advanced Treatment Technologies
Particle destabilization is essential
Particle sweeping is essential
Particle agglomeration is essential
EC Technology is based on Faraday’s Laws of Electrolysis
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WT Four Main Reaction Principles
• Electro-flotation !!!!!!!! Production of micro bubbles supporting sweep aggregation
of particles
• Electro-flocculation Production of flocculating agents that promote bridging
and coalescence to remove colloids
• Electro-coagulation Production of sacrificial ions to promote destabilization and
charge neutralization and the promotion of oxidation
• Electro-oxidation Via the production of hydroxyl radicals
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WT
Rectifier
Wave-Ionics: Equipment Profile
W.I.CellUnit
6” to 2” discharge
2” Influent
Polarity
TransformerWave Ionic
Pro LogicCenter
Control center for performance, power and
remote wireless monitoring management
Wave-Ionics Technology
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CONFIDENTIAL & PROPRIETARY - Use pursuant to Company instructions. Page 18
WT Wave-Ionics: In Action
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WT Equipment Special Features
Primary System
Wireless alarms - notify operator
loss of flowloss of electrical power
pressure due to blockage NTU performance
pH problem
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WT Performance Range
0
2
4
6
8
10
12
14
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5.5
0-4500 ntu
0-1000 ntu
6.5
8.5
12
Wave Ionics
Wave Ionics
Chemical
Chemical
pH Performance
Turbidity Performance
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WT Performance Results - ZINC
16
6.8
12
0.33 0.18 0.0220
2
4
6
8
10
12
14
16
18
mg/L
- ppm
Influent
Post Treatment
1 mg/l for sanitary ----- > 99 % + reduction
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WT Performance Results - COPPER
33
12
24
0.042 0.028 0.0490
5
10
15
20
25
30
35
mg
/L -
pp
m
Influent
Post Treatment
1 mg/l for sanitary ……. 99 % + reduction
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WT Performance Results - LEAD
0.304
0.356
0.089
0.0050.0030.011
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
mg/L
- ppm
Influent
Post Treatment
.4 mg/l for sanitary …… 96 % + Reduction
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WT Wave-Ionics; Performance Control
Specialize Amperage Design Allows for NTU Control
Turbidity Reduction vs. Amperage
5.45 4.381.99 1.57
1
10
100
1000
80 90 100 110 120Amperage
Turb
idity (ntu
)
Initial Turbidity
Post EC (flocculation)
CPI Seperator TankDischarge
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WT AT Stormwater Phase II
Construction Site Stormwater
Groundwater Cleanup
Emulsified Oils-Produced Waters
Metals-Pesticides
Applications for Electro-coagulation
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WT Liquid CO2
CO2 + H20 H2CO3
Carbonic Acid
Liquid Carbon Dioxide stored Pressure and released as a gas
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WT CO2 GAS
CO2 + H20 H2CO3
Carbon Dioxide Liquid Injection
EffluentRecycled Water
Carbonic Acid
Weak Acid
Simple Inorganic
Safe
Used for 3 yrs in
Washington State
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WT Network Topography
Internet
Client B
Client A
Secured Web Portal
Data CenterTelemetryBackbone
Development Station
ApplicationRuntime
Server
Data Storage Server
Local Station
Local Station
Router/Firewall
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WT “Water Tectonics”
Technology Evolution
Turbidity pH Metals Reduction
in
Stormwater
Enforcement of Regulations is changing
&
Technology is getting better
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WT “The 1st Key”
Regulators
Need
To
Be
Involved
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WT “The 2nd Key”
Clear
Permit
Language
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WT “The new rules”
•Temporary Erosion Control Plans
•That detail the size, frequency and volume of rainfall events as a baseline to
design and size
stormwater treatment systems
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WT “The new rules”
Expectations-
numeric requirements!!!!!!!!!
new digital control systems allow protection for the contractor, the State and the environment
Subjective rules put all of us at risk!!
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WT “The new rules”
Water Characteristics –
•Require the treatment system designers to address the site water characteristics;
•high pH due to lime treatment,
•low conductivity,
•high colloidal clays
•Backup emergency plans
•Toxicity management
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WT “The new rules”
Setup reciprocal agreements
with other States
Treatment systems need safeguards to protect the environment & the user
calibration, toxicity controls
operation logs
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WT The new message
Where Sediment ends – BMP’s
Turbidity begins - AT
Sediment is > 0.45 microns
Turbidity is < 0.45 microns
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WT Ask yourself the questions
What Performance is required ?The State needs to define the requirements
What are the risks?
Toxicity and Litigation
Mobilization & Treatment Costs ?The market place will sort out cost of treatment
Safe ?
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WT Summary
Water Tectonics, Inc 22833 Bothell Everett HwySuite 200Bothell, Washington 98021
www. watertectonics.com
Office 425-402-1659Fax 425-424-2168
WTWater Tectonics
Stormwater Phase II
Compliance
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Thank you
for inviting us
Presented by: James Mothersbaugh