Bacteria is all around. The single-celled organisms can multiply in the right conditions up to each 30 minutes. One cell can grow to 33 million in just 12 hours. Due to the rapid growth tendencies it is crucial to choose the correct technology for disinfection.

At Irobiocide we rely heavily on oxidizing and non-oxidizing biocides to assist in the removal of biofilm within cooling towers. Microbicides are also used in commercial, healthcare, food/beverage, and wastewater. Below, we'll outline popular oxidizing microbicides and their benefits, and most common applications.

Picking the Most Effective Biocide for Your Project

There are a variety of options to manage and stop the growth of microbes. It is possible to determine which one is best for you by comparing the benefits and disadvantages of each.

Common Biocides and Disinfectants

Chlorine (sodium hypochlorite)

Chlorine is one of the most commonly used chemicals IRO Biocide because of its ability to be cheap and easily accessible. It is not the cheapest option due to its high volatility and oxidative status It can also be abrasive to the metals that make up your pipes. If it is not used in right dosages, it can cause corrosion to water pipes as well as cooling towers. Chlorine can also form NTM (trichloronitromethane).

Stabilized Bromine

For disinfection of cooling towers, stabilized bromine can be used. It's an excellent choice for spas and other areas that require warmer water. Bromine is more expensive than chlorine, however it is more stable in the warmer temperatures. It is less odorous and is also less irritating to the skin. It is effective in a wide range of pH levels, and dissolves slowly to ensure the quality of your water over a longer time.

Chlorine Dioxide

Chlorine dioxide, a molecule used in both domestic water and process water treatment, is a chlorine-based chemistry. It is a very popular option due to its ability to be used in any makeup water. It is able to be able to penetrate both planktonic and sessile levels of biofilm. It is more aggressive than chlorine, but it has a lower stability when in hot water. It is possible to require a generator for the production of the chemical.

Manufacturing application. Irobiocide used chlorine dioxide in an Whey Production facility to disinfect their COW (Condensate Of Whey) water. COW water that is present in reverse osmosis systems can cause microbiological fouling like ammonia condenser bulk, boiler feedwater, and membranes. The system performed more efficiently because the residual ClO2disinfectant had removed any organics that were causing the fouling.

Monochloramine

Monochloramines are the most stable of the three chlorine-based disinfectants. The stability of the monochloramines not only help with efficacy and ability to remain in solution for extended periods of time It is also demonstrated to be the least corrosive chlorine-based chemical. Its primary purpose is disinfecting drinking water as well as penetrating biofilm within domestic hot water systems used in health care.

Healthcare Commercial & Industrial applications: Irobiocide strongly recommends monochloramine in hot water systems that have high levels of bacteria. Healthcare facilities must supplement with monochloramines because chlorine is the main disinfectant that is used in the majority of municipal water systems. This aids in the fight against waterborne pathogens that are intolerant to chlorine residuals that are low-free. Additionally hot water systems within houses are heated to the point where bacteria thrives (70-110F). The addition of additional disinfection is a good idea to prevent bacteria amplification over time and remove biofilm.

Peracetic Acid

Peracetic acid is a cost-effective IRO Biocide which kills microbes without leaving any residue on your GMP surfaces. It produces little to no harmful by-products. It can be extremely acidic which is its main disadvantage. It is used mainly in the food and drink industry, as well as in hospitals for sterilization of equipment and instruments.

Application for food and beverages Peracetic acid is very strong oxidizer often used in the food industry on processing equipment, and to spray wash food items. It can also be used in air washers as a disinfectant since it doesn't produce harmful byproducts.

Hydrogen Peroxide

Hydrogen peroxide can be used to prevent the growth of microbial organisms in water supplies.

Wastewater application: An Irobiocide wastewater customer has experienced success feeding hydrogen peroxide into anaerobic materials prior to the screw press. Hydrogen peroxide can be added to the water to kill the bacteria. This allows for liquid release from solids which permits better dewatering. This results in lower rates of chemical feed, and a higher cake dryness after the screw press.

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