OZONE ENHANCED VAPORIZED HYDROGEN PEROXIDE DECONTAMINATION METHOD AND SYSTEM
First Claim
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1. A vapor decontamination system for decontaminating a defined region, said system comprising:
- a chamber defining a region;
a first generator for generating vaporized hydrogen peroxide from a solution of hydrogen peroxide and water and introducing vaporized hydrogen peroxide into a carrier gas;
a device for introducing ozone into said carrier gas;
a closed loop circulating system for supplying said vaporized hydrogen peroxide and said carrier gas to said region; and
a destroyer for breaking down said vaporized hydrogen peroxide.
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Abstract
A vapor decontamination system for decontaminating a defined region. The system is comprised of a chamber defining a region, a generator for generating vaporized hydrogen peroxide from a solution of hydrogen peroxide and water and a device for the introduction of ozone. A closed loop circulating system is provided for supplying the vaporized hydrogen peroxide and the ozone to the region. A destroyer breaks down the vaporized hydrogen peroxide. A sensor and a controller controlling the device for the introduction of ozone are provided to maintain the ozone at the desired concentration.
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Citations
10 Claims
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1. A vapor decontamination system for decontaminating a defined region, said system comprising:
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a chamber defining a region;
a first generator for generating vaporized hydrogen peroxide from a solution of hydrogen peroxide and water and introducing vaporized hydrogen peroxide into a carrier gas;
a device for introducing ozone into said carrier gas;
a closed loop circulating system for supplying said vaporized hydrogen peroxide and said carrier gas to said region; and
a destroyer for breaking down said vaporized hydrogen peroxide. - View Dependent Claims (2, 3, 4, 5, 6)
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- 7. In a decontamination system for decontaminating a region, said system having a first generator for generating vaporized hydrogen peroxide, a second generator for generating ozone, a closed loop system for supplying the vaporized hydrogen peroxide and the ozone to said region and a destroyer for breaking down the vaporized hydrogen peroxide, a sensor for detecting the concentration of ozone in said system, and a controller for determining the presence of ozone in said region based upon data from said sensor.
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10. A closed loop, flow through vapor phase decontamination system, comprising:
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a sealable chamber having an inlet port and an outlet port;
a closed loop conduit system having a first end fluidly connected to said inlet port and a second end fluidly connected to said outlet port;
a blower connected to said conduit system for re-circulating a carrier gas flow into, through and out of the chamber;
a vaporizer for delivering vaporized hydrogen peroxide into said carrier gas flow upstream of said inlet port;
a generator for delivering ozone into said carrier gas flow upstream of said inlet port;
a destroyer downstream of said outlet port for converting the vaporized hydrogen peroxide in water and oxygen; and
a sensor for detecting ozone.
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Specification