| 摘要 |
The instant invention relates to a process for the detection of liquids in fibrous and/or porous materials by irradiating the materials by a source of microwaves, detecting the heat emission by temperature measuring devices and transmission of the temperature data thus obtained to a sorting device, and controlling the sorting device by the temperature data thus obtained, whereby first the materials are treated with a polymer solution and whereby residual humidity within the materials is detected after curing of the polymer and drying of the material and whereby sorting of materials, which contain residual liquids and of materials which are free of liquids is carried out, based on the differences in temperature increase.
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