03-01-16-gas-binding_A1.pdf
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- Solicitation number
- 25-0590-N
- Issued by
- Pinellas County, Clewiston City, Florida
About this file
The document is a technical marketing brochure from Premier Magnesia, LLC for THIOGUARD® TST, a total system treatment solution for municipal wastewater collection systems. The brochure details a comprehensive treatment approach addressing force main gas binding, focusing on reducing operational challenges in wastewater infrastructure such as gas emissions, fats/oils/greases (FOG) accumulation, and system corrosion. THIOGUARD® proposes to help municipalities save up to 50% annually on pump station power costs by mitigating negative conditions in wastewater collection systems.
The technical literature compares THIOGUARD® to calcium nitrate treatments, demonstrating how their product can neutralize acid, reduce gas production, minimize grease accumulation, and improve overall system efficiency. The product is positioned as a non-hazardous solution with no reportable quantities, capable of reducing hydrogen sulfide generation, maintaining higher pH levels, and preventing infrastructure corrosion. The brochure includes detailed scientific diagrams illustrating gas binding processes and the comparative effectiveness of THIOGUARD® across different miles of a force main system, emphasizing its ability to neutralize both surface and wastewater acid over short and long distances.
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OWNED, MINED
AND PRODUCED
IN THE USA
THIOGUARD.COM
1.800.227.4287
EFFECTIVE, ENVIRONMENTALLY SAFE TOTAL SYSTEM TREATMENT FOR MUNICIPAL WASTEWATER
NEWSLETTER ARCHIVE
Online Archive of the
THIOGUARD® Newsletter Series
RESOURCES
Website links and information related to THIOGUARD®
THIOGUARD® TST is a non-hazardous application with no required reportable quantities (RQ = None)
Premier Magnesia, LLC is a global market leader in magnesia-based products and solutions.
© PREMIER MAGNESIA | ISO 9002:1994
FORCE MAIN GAS BINDING
PROBLEM STATEMENT:
Pumping and conveying of wastewater from end user through the collection system to wastewater treatment plants can result in negative conditions including gas binding, blockages associated with fats, oils and greases (FOG), and system corrosion. There may be other contributing conditions, but these factors appear to be the greatest contributors to O&M costs including energy consumption, maintenance costs, and Sanitary Sewer Overflows (SSOs).
50%
SAVE UP TO
a year in pump stations power costs by choosing
THIOGUARD®!
EFFECTIVE, ENVIRONMENTALLY SAFE TOTAL SYSTEM TREATMENT FOR MUNICIPAL WASTEWATER
BACKGROUND:
A collection system line is a unique conveyance system. The transfer of wastewater can result in the release of gases such as O2 – Oxygen, CO2 – Carbon Dioxide, N2 – Nitrogen Gas, H2S – Hydrogen Sulfide, CH4 – Methane, VOCs – Volatile Organic Compounds, and VOSCs – Volatile Organic Sulfur Compounds among others. Some of these gases are drawn into the system through pumping and ventilation, while others are generated within the system either chemically or biologically. These gases can result in the development of gas binding in the system, especially with the utilization of calcium nitrate, as well as contribute to odors and corrosion.
H2SO4
H2SO4
FLOATING
ORGANIC
MATTER &
GREASE
NO3
NO3SO4 NO3
NO3
O2 N2 O2
O2
PUMPING STATION
CO2 CO2
CO2
N2 N2
N2
NO
H2S
H2S H2S
N2
N2
N2
CO2
CO2
N2N2
N2 H2S
H2S
H2S H2S H2S H2S
H2SH2S
CH4
VOC
VOC
VOSC
VOSC
CALCIUM
NITRATE
INCREASED GAS BINDING PRESSURE
H2S
H2S H2S
H2S H2S H2S H2S CH4 H2S
CaNO3
ARV
INCREASED TRAPPED GAS
H2SO4
LOW pH (RED)
HIGHLY CORROSIVE
MILE 1 MILE 2 MILE 3 MILE 4 MILE 5 MILE 6
Aerobic Bacteria
Facultative Bacteria & Sulfate Reducing Bacteria
N2 gas formed in wet well can cause suction inefficiency at pump intake
FOG exacerbated by biological conditioning caused by nitrates
VFAs (Volatile Fatty Acids) are eliminated with calcium nitrate addition that are needed by PAOs (phosphorus accumulating organisms) for phosphate removal at the wastewater treatment plant.
Acid Producers & Methanogens
Bacteria use O from SO4 producing H2S gas At pH7 >50% of H2S can be liberated into the gas phase
1. Large amounts of NO3 available
2. O from NO3 used by bacteria reducing NO3 to N2 & NO
Dissolved O2 used first producing CO2
Force Main With Calcium Nitrate (CaNO3) Liquid Phase Treatment
THIOGUARD® VS NITRATE
Baseline Nitrate Thioguard
500,000 GPD Pump Station Monthly Power Cost
$5,000
$4,500
$3,500
$2,500
$1,500
$2,000
$4,000
$3,000
$24,000 / yr.
Save up to 50% per year in pump station power costs by choosing THIOGUARD® as your odor, FOG and corrosion control process in your collection system.
FORCE MAIN GAS BINDING DRAMATICALLY INCREASED
WITH CALCIUM NITRATE (CaNO3) ADDITION
SOLUTION:
THIOGUARD® can overcome these issues by reducing or eliminating gas emissions from wastewater, dissolving FOG blankets and reducing corrosion to pumps and infrastructure. No other product can match THIOGUARD®'s ability to neutralize both collection system surface acid and wastewater acid over short and long distances to and through the wastewater treatment plant.
EFFECTIVE, ENVIRONMENTALLY SAFE TOTAL SYSTEM TREATMENT FOR MUNICIPAL WASTEWATER
THIOGUARD.COM | 1.800.227.4287
THIOGUARD® HEADQUARTERS: 1275 Drummers Lane, Suite 102 | Wayne, PA 19087
MINIMAL
GREASE IN
WETWELL
SO4
pH 8.2 pH 8.2 pH 8.2 pH 8.2 pH 8.2 pH 8.2
SO4
O2 O2
O2
PUMPING STATION
CO2
H2S
H2S
H2S
Mg(HS-)2
Mg(HS-)2 Mg(HS-)2
CO2
CO2
CO2
CO2
CO2
CO2
H2S
REDUCED
VOSC
H2S
H2S
ARV
LESS GAS PRODUCED
INCREASED SURFACE pH = LESS CORROSION
THIOGUARD®
REDUCED GREASE
PLUGGING
THIOGUARD®
Less CO2 is produced with THIOGUARD®, as CO2 gas is held in solution similarly to H2S
THIOGUARD® INCREASES SURFACE
pH TO NEUTRAL pH (WHITE)
PREVENTING INFRASTRUCTURE
CORROSION
Bacteria
Facultative Bacteria & Sulfate Reducing Bacteria Acid Producers & Methanogens
Sulfate reducing bacterial activity greatly reduced producing very little H2S gas. Liquid/gas phase equilibrium shifted to keep HS- in solution
HS- Combines with Mg+ to produce a soluble magnesium complex
Anaerobic activity retarded by increased pH
THIOGUARD has long range buffering capacity to neutralize acid attack on infrastructure
No NO3 present Dissolved O2 used first producing CO2
Force Main With THIOGUARD® Treatment
H2S
CO2
CH4
FLOATING
GREASE
O2
O2
O2
PUMPING STATION
CO2 CO2
H2S H2S
CO2
CO2
CO2
H2S
H2S VOC
VOSCH2S
CO2
H2S
H2S VOC
VOSC
H2S
CO2
H2S CH4 CH4CO2 H2S
ARV
TRAPPED GASGREASE ACCUMULATION
PLUGGING ARVs
H2S
H2SH2S
H2S
Bacteria
Facultative Bacteria & Sulfate Reducing Bacteria Acid Producers & Methanogens
Bacteria use O from SO4 producing H2S gas At pH7 >50% of H2S can be liberated into the gas phase
Thiobacillus Bacteria convert
H2S into Sulfuric Acid
1. Little or no NOx present
2. Begin using other forms of combined O
Dissolved O2 used first producing CO2
LOW pH (RED)
HIGHLY CORROSIVE
Force Main with No Liquid Phase Treatment
Call 1.800.227.4287 or Email thioguard2@premiermagnesia.com
Visit www.thioguard.com to learn more about how THIOGUARD® can help your plant!
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