Process for recycling absorbent sanitary products
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United States of America Patent
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Oct 13, 2015
Grant Date -
Jun 20, 2013
app pub date -
Nov 27, 2012
filing date -
Nov 28, 2011
priority date (Note) -
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Abstract
A process for treating used absorbent sanitary products, comprising the steps of providing a rotary cylindrical autoclave having an inner surface and two ends, at least one of which terminates in a hatch that can be opened to enable access to said autoclave and sealably closed to enable pressurization of said autoclave; loading said autoclave with closed absorbent sanitary products; heating and pressurizing the autoclave to a sterilization temperature and at the same time driving the autoclave in rotation about a longitudinal axis thereof, wherein said step of heating and pressurizing the autoclave envisages a first temperature regime for the products contained in the autoclave and a second temperature regime, higher than the first temperature regime, for said inner surface.
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