Ozone sterilization process which decontaminates evacuated waste

Details Ozone sterilization process which decontaminates evacuated waste Ozone sterilization process which decontaminates evacuated waste

1990-02-01

1992-02-11

Lacey, David L.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

422 33, 422 32, 42218607, 42218603, B01J 1908, B01J 1912

Patent

active

050874195

ABSTRACT:
The invention features an apparatus and method of detoxifying and/or sterilizing waste materials utilizing ozone under pressure. The waste materials are loaded into a pressurizable chamber in which the ozone is introduced under pressure. The ozone penetrates and sterilizes and waste materials, after which the gas is evacuated from the chamber following a given treatment cycle. The evacuated gas is then fed to a second, purification chamber. Any toxic substances or contaminants that may have been released in the first waste chamber and were carried along with the evacuated gas are further purified. This is accomplished by introducing ozone into the second chamber to mix with and sterilize the evacuated waste gases. This second introduction of the ozone to purify the waste gases is an essential step of the process, and ensures that none of the toxic or contaminating substances escape to the environment.

REFERENCES:
patent: 4156652 (1979-05-01), Wiest
patent: 4793931 (1988-12-01), Stevens et al.
patent: 4988484 (1991-01-01), Karlson

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