Spitballing here…
setup a recirculating style CRC and fill it with copper scrubbies or even the powdered copper rather than the traditional magic dirts. see: Opaline Silica Thread - #313 by Dred_pirate for 1k word substitute.
@Photon_noir used a foodboxer.
@Soxhlet is using a gear pump.
@Roguelab points out that most recovery pumps can handle liquid too.