Process for separating mineral wool fibers from nonfibrous...

Details Process for separating mineral wool fibers from nonfibrous... Process for separating mineral wool fibers from nonfibrous...

B - Operations, Transporting

02

C

209/3

B02C 19/00 (2006.01)

Patent

CA 1043295

PROCESS FOR SEPARATING MINERAL WOOL FIBERS FROM NONFIBROUS MATERIALS ABSTRACT OF THE DISCLOSURE A process is provided for the separation of nonfibrous material from mineral wool fibers which comprises dispersing the fibers in an aqueous solution comprising a surfactant having at least one hydrophobic group containing at least eight carbon atoms and at least one cationic hydrophilic group having at least one nitrogen or sulfur atom, such as a quaternary ammonium surfactant. The fibrous material is dispersible in the surfactant solution, while the nonfibrous material is not and consequently can be separated by centrifuging or settling and decantation.

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