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Chlorine dioxide is an oxidizing biocide composed of one chlorine atom and two oxygen atoms. The compound can be used for disinfection purposes in both aqueous and gaseous forms, depending on the user’s goals, the space being treated, and the time available for treatment. The gaseous application of the compound can be particularly beneficial for a number of reasons, but we’ll highlight three of the most favorable aspects: the ability to quickly resume operations after treatment, the fact that the gas reaches all areas, and the potency of bacteria kills.


1. Chlorine dioxide gas allows users to quickly resume operations after treatment.

Chlorine dioxide’s liquid applications don’t take long to treat water systems or hard non-porous surfaces, and the gaseous form of the compound is also quick. This means that users can quickly resume operations after treatment. The exact time often depends on the specifics of the environment, but often in as little as a few hours post-treatment, customers are able to resume their normal activities in their facilities.

2. Chlorine dioxide gas can reach all areas, even in ways that its liquid counterpart cannot.

Think back to a middle school science course, when most learned about the differences between liquids, solids, and gasses. When learning about the differences between these states of matter, one of the key features of gaseous forms is often described: gasses expand to fit the containers they are in. This means that the gaseous application of chlorine dioxide can reach to fill the entirety of the space it is applied to, including hard-to-reach spaces where bacteria can fester for long periods of time.

3. Chlorine dioxide gas is proven effective through 6 log kills.

Since its approval for gaseous application in 1988 by the United States Environmental Protection Agency (EPA), chlorine dioxide has been proven immensely effective in eliminating problematic bacteria. In fact, the gaseous chlorine dioxide has been consistently proven to be effective through 6 log kills for organisms such as salmonella, listeria, and spores, all of which are common targets of PureLine’s customers, as evidenced by use of biological indicators pre and post treatment.

PureLine is the industry leader in chlorine dioxide gas treatment. With over 25+ years of experience in gaseous applications of chlorine dioxide, we have significant familiarity with chlorine dioxide gas for a wide array of applications, including in food processing plants, healthcare settings, cruise ships, and retirement homes, to name a few. Fill out the contact form below to learn more about how PureLine can provide your facility with gaseous chlorine dioxide for purposes of sanitation, treatment, and outbreak prevention today.

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