Download - H2O Ozone Sparge Technology 20150305
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In Situ Chemical Oxidation using Ozone Sparge Technology
March 5, 2015
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Kevin Gomes – Water Treatment Technologist
Kevin Gomes has worked in the remediation industry for over 7 years assisting environmental consultants with the strategy, design and technology selection for over 300 sites nationwide. Kevin's focus has largely been working with in-situ chemical oxidation using ozone. He works directly with clients to select and size the proper equipment to meet their clean up goals. With more than 20 years of project management and sales experience, Kevin has a business-minded approach arriving at innovative solutions to technical problems.
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How Ozone is made
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Ozone Sparge Benefits
Low cost – $50 to $150 a cubic yard
ChemOx – fast reaction rates
Minimal waste – O2 and CO2
Enhances bioremediation
Advanced oxidation process (ozone & peroxide)
Long term solution
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H2O INTELO-ZONE® Control Logic
Safety
System configuration
Regression strategy
Operator interface
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Site Info H2O Mass Balance
Design Strategy
Proposal
H2O Process
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H2O: Sparge Well Installation
Well Head Connection
Riser Pipe
IOP
Ozone Delivery Tubing
Bentonite Cement
Bentonite Chips
#2/16 Monterey Sand
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Ozone: Radius of Influence
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Case Studies
1. Petroleum hydrocarbons – New Jersey
2. Chlorinated solvents – New England
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Sparge System o Ozone production - 200 pounds per day o Five cargo containers o 416 sparge wells in 3 zones
Site o Other technologies in use o Redevelopment property o Major port
Case Study #1 Petroleum Hydrocarbons – New Jersey
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Case Study #1 Petroleum Hydrocarbons – New Jersey
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Case Study #1 Petroleum Hydrocarbons – New Jersey
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Case Study #1 Petroleum Hydrocarbons – New Jersey
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Case Study #1 Petroleum Hydrocarbons – New Jersey
Current Results
VOC 76,680 lbs. (61.6 lbs/day) Chlorobenzene 60,391.67 lbs.(48.5 lbs/day) TPH 137,260 lbs. (110 lbs/day)
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Case Study #2 Chlorinated solvents – New England
Bench Scale
Pilot
Custom Solution
Full Scale
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Sparge well installation
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Pilot Test
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Ozone Injection and SVE
Ozone Injection
Ozone and Air Sparging
Full-Scale Cross-Section
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Pilot Test Full-Scale
Treatment Area 2,500 ft2 10,000 ft2
Ozone 27 lb/day 100 lb/day
Sparge Wells 30 124
Air Sparge 25 scfm 55 scfm
SVE 300 scfm 600 scfm
Duration 7 months 2+ years
Pilot Test to Full-Scale Design
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Full-Scale
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Groundwater Flow
Source Characterization – Soil and GW
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Soil Gas
Real time - TVOC, O3, O2, CO2
Handheld PID
Groundwater
Analytical laboratory
ORP/DO
Rebound test – 6 weeks
Performance Monitoring and Optimization
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TVOC (Soil Gas) Before H2O (ppm) After (ppm) % Reduction
Average 794 13 98
Median 112 4.9 96
Maximum >10,000 101 >99
Results
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Conclusions
Safety – Intelo-Zone control logic
$50 to $150 a cubic yard
Fast reaction rates
Enhances bioremediation
24/7 injection; long term solution
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Thank you
Kevin Gomes
Water Treatment Technologists
Clean World Division-Lead
North America
866-987-0303
www.h2oengineering.com