| 摘要 |
The invention is directed to a process for obtaining dry super-absorbing polymer (SAP) particles from used sanitary products, which sanitary products comprise a package containing therein at least one plastic sheet, wet SAP particles and other components, comprising the steps of:
a. Opening the package,
b. Subjecting the opened package to a separation in a dry mode to obtain a stream of the plastic sheets and a first mixed stream of the packages, the wet SAP particles and the other components,
c. Heating and drying the first mixed stream, to obtain a second mixed stream of the packages, the dry SAP particles and the other components,
d. Subjecting the second mixed stream to a separation to obtain a stream of the dry SAP particles and a stream of the packages and other components. |
