Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1976-12-13
1978-01-31
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 54, C02B 120
Patent
active
040714500
ABSTRACT:
Clarification of iron waste waters using basic dyes such as methylene blue, methyl violet or malachite green and the like, alone or in combination with organic or inorganic additives.
REFERENCES:
patent: 1819462 (1931-08-01), Grossman
patent: 1878525 (1932-09-01), Kaplan
patent: 1915040 (1933-06-01), Urbain
patent: 3377274 (1968-04-01), Burke et al.
patent: 3868320 (1975-02-01), Hider et al.
Chemed Corporation
Harness Charles L.
Hart Charles N.
Hruskoci Peter A.
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