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Many industries, especially food, beverage, and healthcare must ensure a highly efficacious program for the control of pathogens, bacteria, viruses, protozoa, fungi, and algae. Sodium hypochlorite solutions (e.g. bleach) have long been the go-to product for many disinfection applications. Chlorine dioxide, however, has many advantages over sodium hypochlorite and is an excellent virucidal and bactericidal agent.
Chlorine dioxide is an extremely effective and powerful biocide that has been used for many years, exhibiting rapid kill over a wide range of organisms. It does not form chlorinated compounds in the presence of organics, is efficacious over a wide pH range, and kills microorganisms even when they are inactive.
Unlike chlorine, chlorine dioxide does not “chlorinate.” It works through oxidation – penetrating bacteria cell walls and reacting with vital amino acids in the cytoplasm of the cell to kill the organism at its source.
Why Chlorine Dioxide?
Chlorine dioxide provides more effective microbiological control and decontamination; works against a wide spectrum of bacteria, yeasts, viruses, fungi, protozoa, spores, molds, mildews and other microbes. It effectively penetrates and removes biofilm. It provides a rapid kill of target organisms at a very short contact time, often in seconds.
Chlorine dioxide is less detrimental to system materials of construction. At effective use concentrations required for disinfection, it is less corrosive than chlorine.
The use of chlorine dioxide reduces the health risk of microbial pollutions in water and at the same time decreases the risk of chemical pollutions and does not generate harmful by-products. It effectively performs in low concentrations over a wide pH range and is very selective. It does not react with ammonia so it can be useful where there is high ammoniacal chlorine demand.
0.4% Chlorine Dioxide: Versatile and Easy Use
The selectivity and lack of any significant reactions of chlorine dioxide with water constituents is partly responsible for its ability to retain its biocidal efficacy. Chlorine Dioxide(1) is a potent disinfectant, fungicide, algaecide, slimicide, and deodorizer that works on almost any surface or in water. It is great for emergency disinfection of water features, sprinklers, and fountains after a long shutdown as well. It prevents biofilms, kills waterborne pathogens, and acts immediately and effectively.
Let’s explore how Garratt-Callahan has incorporated these advantages into an amazing product for disinfection.
As an EPA-approved disinfectant, sanitizer, fungicide, and general-purpose antimicrobial, it is suitable and effective for use in a broad range of applications including but not limited to industrial cooling water systems, potable water systems, industrial process water systems, and wastewater treatment.
“When used as directed, as a disinfectant and sanitizer, this chlorine dioxide-generating product is proven effective against Pseudomonas aeruginosa (ATCC 15442), Staphylococcus aureus (ATCC 6538), Salmonella enterica (ATCC 10708), methicillin-resistant S. aureus, “MRSA” (ATCC 33591), vancomycin-resistant Enterococcus faecalis, “VRE” (ATCC 51299), Klebsiella pneumonia (ATCC 4352).”
Garratt-Callahan’s Formula 3110 containing 0.4% Chlorine Dioxide can be used regularly in food processing equipment, wastewater disinfection plants, and hospitals in a continuous manner with virtually no damage to the equipment. It also works well for periodic shock disinfection of systems susceptible to fouling like cooling water systems.
Formula 3110 overcomes the high investment cost of traditionally available chlorine dioxide which requires onsite generating equipment. Formula 3110 skips the need for huge capital investment and is ideal for preparing both small and large batches.
The preparation method is simple and easy. The product is available in two separate lightweight powder pre-cursors mixed with a prescribed amount of water in a batch container or tank to generate the chlorine dioxide solution. The unreacted components are easy to store and transport and have a long shelf life of up to five years.
Summary
Instead of investing in several products to fight different microbiological foulants and biofilms, Formula 3110 allows you to use one single product for broad-spectrum microbiological control. This product is an advanced yet simple-to-use one-step solution to a wide array of microbial problems.
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Frequently Asked Questions:
Chlorine dioxide, a water-soluble gas, is an extremely effective and powerful biocide that has been used for many years exhibiting rapid kill over a wide range of organisms. It does not form chlorinated compounds in the presence of organics and is efficacious over a wide pH range.
Unlike chlorine, chlorine dioxide does not “chlorinate.” It works through oxidation – penetrating bacteria cell walls and reacting with vital amino acids in the cytoplasm of the cell to inactivate the bacteria that produces the biofilm. It is also effective against Giardia Lambia and Cryptosporidium oocysts, which cause diseases such as cryptosporidiosis in public drinking water supplies.
Chlorine dioxide does not react with organics leaving more available chemistry as a biocidal agent. This selectivity and its effectiveness start at much lower concentrations relative to chlorine, and its rate and mechanism of action minimizes the risk for general corrosion. Additionally, studies demonstrate the dramatic difference of chlorine dioxide vs. chlorine when each is added to a heavily polluted water source. While chlorine is readily consumed by the polluted water, chlorine dioxide is very selective.
There are risks and hazards in varying levels for handling and using any biocides. Understanding and implementing proper health and safety practices is integral for any chemicals posing potential risks. For example, pre-cursor sodium chlorite has different risks/dangers relative to the generated 0.4% chlorine dioxide. Sodium chlorite being a fire/flammability hazard, while chlorine dioxide more an inhalation hazard. As long as the SDS, storage, and the label directions are followed strictly, then hazards are greatly minimized and avoided.
The oxidizing properties and radical nature of ClO2 make it an excellent virucidal and bactericidal agent. Most bacteria are not able to develop resistance against ClO2 as it reacts with biological thiols which play a vital role in all living organisms. Chlorine dioxide reacts with compounds within the cells and on the surface of cell membranes that contain oxidizable material, causing cell metabolism to be disrupted. Chlorine dioxide also reacts directly with disulphide bonds in the amino acids and the RNA in the cell. Chlorine dioxide kills microorganisms even when they are inactive. The oxidative load placed on the cells by the action of chlorine dioxide mean that most microorganisms are unable to build up resistance to chlorine dioxide.
To learn more about Garratt-Callahan’s Formula 3110, please contact our office nearest you.