METHOD FOR STERILIZING AND DECONTAMINATING POST-CONSUMER ABSORBENT SANITARY PRODUCTS CONTAMINATED BY ORGANIC COMPOUNDS DERIVING FROM HUMAN METABOLISM

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United States of America Patent

APP PUB NO 20230321289A1
SERIAL NO

18209644

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Abstract

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A method for sterilizing and decontaminating post-consumer absorbent sanitary products contaminated by organic compounds deriving from human metabolism and comprising drug residue, said post-consumer absorbent sanitary products comprising fractions of plastic, super-absorbent polymers (SAPs), and optionally cellulose, the method comprising at least the steps of: i) sterilizing (SR) said post-consumer absorbent sanitary products by heating to a temperature equal to or lower than 140° C. and at a pressure comprised between 1 bar and 3.6 bar to obtain sterilized post-consumer absorbent sanitary products; and ii) decontaminating (DC) from organic compounds said sterilized post-consumer absorbent sanitary products by means of an oxidizing treatment. The oxidizing treatment is carried out by putting the sterilized post-consumer absorbent sanitary products in contact with a gas containing ozone preferably at a temperature equal to or higher than 60° C., more preferably comprised between 60° C. and 80° C. The sterilized post-consumer absorbent sanitary products subjected to the decontaminating step have a humidity of less than 80%, preferably comprised between 60% and 75%.

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Patent Owner(s)

Patent OwnerAddress
FATER S P A65010 SPOLTORE (PE)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CARUSO, Tonino Spoltore, IT 5 1
PAGOTTO, Fabio Spoltore, IT 1 0
VACCARO, Giorgio Spoltore, IT 9 30

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