Method for disposing of filter cartridges

Details Method for disposing of filter cartridges Method for disposing of filter cartridges

1991-06-07

1993-02-23

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With heating or cooling of material

241DIG14, B02C 2300

Patent

active

051883007

ABSTRACT:
Filter inserts that contain solvent residues from varnishes, paint, adhesive, coating masses and the like are disposed of by putting the filter inserts into a sealable vessel, such as a homogenization machine used in the milk industry. The filter inserts are ground and heated in the sealed vessel together with solvent residues. The heat converts the solvent residues to a gas phase. A negative pressure pump downstream from a solvent condenser drains the gaseous solvent from the vessel into the solvent condenser. Solvent condensate is precipitated in the solvent condenser and fed to a condensate collecting tank.

REFERENCES:
patent: 3617003 (1971-11-01), Winegartner
patent: 3788562 (1974-01-01), Greenlay et al.
patent: 3814331 (1974-06-01), Ronning
patent: 4177241 (1979-12-01), Divins et al.

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