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1.发明申请公开(公告)号：US20210316316A1
公开(公告)日：2021-10-14
申请号：US17268160
申请日：2019-08-06
Applicant: BASF SE
Inventor： Wolfgang ROHDE , David Johann GILBERT , Bernhard SCHULER , Oliver KUHN , Michael MENTGES
Abstract: The present invention relates to a process for concentrating desired particles comprising a carrier-magnetic-separation comprising the following steps a) providing a feedstock which contains the desired particles and an undesired material; b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material; c) separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, where the separation method is selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation; d) breaking up the isolated agglomerates to obtain a suspension comprising the magnetic particles in desagglomerated form; and e) separating the magnetic particles from the suspension obtained in step d) by a separation method selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation.
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公开(公告)号：US20180369834A1
公开(公告)日：2018-12-27
申请号：US16062904
申请日：2016-12-07
Applicant: BASF SE
Inventor： Wolfgang ROHDE , Alexej MICHAILOVSKI , Igor SHISHKOV , Reinhold RIEGER , Gerardo INCERA GARRIDO , Piyada CHAROENSIRISOMBOON , Darren MEGAW , David Johann GILBERT
Abstract: The present invention relates to a process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material. The process according to the present invention comprises the steps (A) to (D) which are described herein.
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