Pulse transfer thickening

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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Details

B01D 1700

Patent

active

039309991

ABSTRACT:
Sewage sludge of a uniformly high solids content is pumped from a primary settling tank to a digester or thickener by an air operated spring assisted diaphragm pump.

REFERENCES:
patent: 2383193 (1945-08-01), Herbert
patent: 2673525 (1954-03-01), Lucas
patent: 2932552 (1960-04-01), Weiss et al.
patent: 2958655 (1960-11-01), Brown
patent: 3600305 (1971-08-01), Edgerton
patent: 3785969 (1974-01-01), Molls et al.
patent: 3816034 (1974-06-01), Rosenquest, Jr.

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