When selecting a biocide for your application, you will need to consider its antimicrobial efficacy, heat tolerance, and fuel solubility. If you’re unsure which biocide to choose, read on to learn how to select the right one for your application. Alternatively, you can get assistance from a company like Chemtex. Chemtex’s biocide consultants can help you determine the right biocide for your specific needs.
Isothiazolones
Isothiazolinones are chemical compounds with remarkable antibacterial and antifungal properties that have found extensive use as biocides and as preservatives in manufactured products. Most commonly used as a biocide, isothiazolione is commonly used in wastewater treatment processes, while methylisothiazolinone is often found in cosmetics, detergents, and paints.
Isothiazolinones are associated with potential cytotoxicity in both neuronal and liver cell lines. In one study, the Ranke laboratory studied the effects of isothiazolinones on glutathione metabolism and glutathione reductase activity in HepG2 cells. Another study compared the cytotoxic effects of biocides to the toxicological effects in marine bacterial cell culture, check out this site.
Chlorine dioxide
Several studies show that chlorine dioxide is an effective biocide, particularly against bacteria. Its antimicrobial effects have been confirmed by transmission electron micrographs of bacteria. Among these studies, the effect of chlorine dioxide on Candida albicans was found to be significant. Chlorine dioxide is also highly effective against other bacterial strains, including a number of pathogenic fungi. Chlorine dioxide can be found in many products, including water and food.
The gas phase of chlorine dioxide may be produced from a liquid or solid-state chlorine dioxide source. The concentration of chlorine dioxide in a liquid solution is usually in the range of 500 to 2000 parts per million (ppm). The ratio of solids to liquid chloride depends on the volume of fumigation. The concentration in the liquid solution and density of the gas are other factors influencing its effectiveness. Chlorine dioxide has a low concentration, but it can be effective in many cases.
Bromine
A biocide is an agent that controls biological growth in cooling towers. Several compounds of bromine are effective biocides. Electrolytic bromine, for example, is more effective than chlorine at high pH levels. Additional biocides may be used with acceptable results.
Conclusion:
Sodium bromide solution is a broad-spectrum biocide used in cooling tower systems. It is easy and convenient to dose, and it breaks down to oxygen and water upon contact. Besides cooling towers, bromine solution is approved for disinfection of potable water systems, but it must be flushed out of the system. Bromine is effective at treating the following bacterial species: Legionella spp., Bacillus spp., and Aspergillus Niger.
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