METHOD FOR REDUCING THE CONCENTRATION OF DISINFECTANT, DECONTAMINATION APPARATUSES AND SYSTEMS AND RELATED METHODS OF EMPLOYING THE SAME
First Claim
1. A method of reducing the concentration of disinfectant in an environment having a concentration of disinfectant of about 500 ppm or less for a period of time until the concentration of the disinfectant in the environment is reduced to a lower concentration, comprising the steps of:
- dehumidifying the environment continuously or intermittently during the period of time to remove the disinfectant; and
humidifying the environment continuously or intermittently with moisture during the period of time to maintain a difference of about 20 to 50% between a lower relative humidity and an upper relative humidity of the environment.
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Abstract
A method of reducing the concentration of disinfectant in an environment having a concentration of disinfectant of about 500 ppm or less for a period of time to a lower concentration is disclosed. The method comprises the steps of dehumidifying the environment for the period of time to remove disinfectant, and humidifying the environment with moisture during the period of time to maintain a difference between a lower relative humidity and an upper relative humidity of the environment ranging from about 20 to 50%. A system for decontaminating an environment is also disclosed, comprising a source of disinfectant, a source of moisture, one or more spray generators, and a dehumidifier. A method of decontaminating an environment or enclosure is disclosed, comprising the steps of introducing disinfectant, maintaining liquid disinfectant on surfaces, and dehumidifying the environment to increase the disinfectant concentration is also disclosed.
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Citations
26 Claims
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1. A method of reducing the concentration of disinfectant in an environment having a concentration of disinfectant of about 500 ppm or less for a period of time until the concentration of the disinfectant in the environment is reduced to a lower concentration, comprising the steps of:
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dehumidifying the environment continuously or intermittently during the period of time to remove the disinfectant; and humidifying the environment continuously or intermittently with moisture during the period of time to maintain a difference of about 20 to 50% between a lower relative humidity and an upper relative humidity of the environment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A decontamination system for decontaminating an environment, comprising:
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a source of disinfectant; a source of moisture; one or more spray generators in fluid communication with at least one or both of the source of disinfectant and/or moisture, the spray generator configured to release at least one of the disinfectant and moisture to the environment in the form of at least one of a mist or a vapor; and a dehumidifier configured to remove disinfectant and moisture from the environment. - View Dependent Claims (20, 21, 22)
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23. A method of decontaminating an environment comprising performing the following steps two or more times:
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introducing disinfectant into the environment by turning on a spray generator in fluid communication with a source of disinfectant until a first humidity is achieved in the environment, and turning off the spray generator; increasing the concentration of the disinfectant introduced into the environment by turning on a dehumidifier until a second humidity that is lower than the first humidity is achieved in the environment, and turning off the dehumidifier; and introducing disinfectant into the environment by turning on the spray generator in fluid communication with a source of disinfectant until a third humidity that is higher than the second humidity, but lower than the first humidity is achieved in the environment, and turning off the spray generator.
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24. A method of decontaminating an environment comprising the steps of:
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introducing an amount of an aqueous disinfectant into the environment that exceeds the saturation limit of the aqueous disinfectant in the environment thereby condensing the aqueous disinfectant vapor on a surface of the environment; and dehumidifying the environment for a time sufficient to substantially re-vaporize the condensed aqueous disinfectant.
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25. A method for decontaminating an environment comprising;
- introducing aqueous disinfectant into an environment;
condensing or depositing a portion of the disinfectant on surfaces in an amount that is effective to reduce microbial contaminants to one of three, four, five and six logs reduction; and
dehumidifying the environment. - View Dependent Claims (26)
- introducing aqueous disinfectant into an environment;
Specification