Willow-Industries
Persnickety®Brand 713 Biological Inoculant
For Control of Hydrogen Sulfide in Collection Systems, Tanks, Ponds and Lagoons.
For Control of Hydrogen Sulfide in Collection Systems, Tanks, Ponds and Lagoons.
THE PROBLEM
Hydrogen sulfide (H2S) has been the source of countless odor complaints directed to those responsible for operating municipal and industrial wastewater facilities — probably the source for more complaints than any other malodorous compound. In addition to the rotten egg odor, H2S poses serious corrosion problems costing many millions of dollars each year, serious health and safety concerns, and can diminish the effectiveness of any wastewater facility.
THE CAUSE
The biological transformations involved in the sulfur cycle are tremendously complex, but it is generally accurate to say that sulfate-reducing bacteria are the principal causal agents — reducing sulfate to sulfide. The biological production of H2S requires anaerobic conditions (conditions deficient in dissolved oxygen [DO]), but the problem often occurs where design intends largely aerobic conditions. For example, sludge blankets in clarifiers are frequent culprits; stabilization ponds often stratify with heavy loadings, creating anaerobic, facultative and aerobic layers.
Hydrogen sulfide (H2S) has been the source of countless odor complaints directed to those responsible for operating municipal and industrial wastewater facilities — probably the source for more complaints than any other malodorous compound. In addition to the rotten egg odor, H2S poses serious corrosion problems costing many millions of dollars each year, serious health and safety concerns, and can diminish the effectiveness of any wastewater facility.
THE CAUSE
The biological transformations involved in the sulfur cycle are tremendously complex, but it is generally accurate to say that sulfate-reducing bacteria are the principal causal agents — reducing sulfate to sulfide. The biological production of H2S requires anaerobic conditions (conditions deficient in dissolved oxygen [DO]), but the problem often occurs where design intends largely aerobic conditions. For example, sludge blankets in clarifiers are frequent culprits; stabilization ponds often stratify with heavy loadings, creating anaerobic, facultative and aerobic layers.
HISTORICAL SOLUTIONS
All of the following have been used to combat H₂S.
Method Major Disadvantage
Aeration Turbulence prevents settling, releases H₂S
Chlorination Hazardous
Containment and Scrubbing High capital and operating costs
Hydrogen Peroxide Expensive (not reaction-specific with sulfide)
Iron Salts Rarely fully effective
pH Shocking Kills or inhibits treatment
Potassium Permanganate Expensive
PERSNICKETY® 713 – A PROVEN AND HIGHLY EFFECTIVE BIOLOGICAL SOLUTION
PERSNICKETY® 713 is a carefully developed, precisely balanced blend of proprietary, naturally occurring, strict and facultative anaerobic bacteria in a liquid medium. They are selected and cultured for their ability to reduce H₂S to elemental sulfur, which is stored intercellularly.
All members are non-toxic, non-pathogenic, harmless to aquatic life and compatible with other desirable bacteria found in wastewater. They become a synergistic part of the biomass, and simply do what nature intended them to do.
Products and Services
Copyright willow industries, llc 2014
Persnickety® is a registered trademark of syneco systems corporation, all rights reserved
Copyright willow industries, llc 2014
Persnickety® is a registered trademark of syneco systems corporation, all rights reserved