Scum drag

Details Scum drag Scum drag

1975-05-06

1976-05-04

Granger, Theodore A.

Liquid purification or separation

With movable support

Float

210525, E02B 1504

Patent

active

039546195

ABSTRACT:
A scum drag for removal of floating scum from a closed methane generator is a float having a fence or rake extending upwardly. Draglines are connected to it to pull the float and fence in a direction transverse to the fence. The pile of scum that accumulates with movement is engaged by the fence and bodily moved to a scum exit, where it is discharged into a truck or otherwise transported away.

REFERENCES:
patent: 3147221 (1964-09-01), Johnston
patent: 3756418 (1973-09-01), Pentz et al.
patent: 3796658 (1974-03-01), Meissner, Sr.
patent: 3872005 (1975-03-01), Balter
patent: 3872017 (1975-03-01), Bishop

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