Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-04-03
1976-03-30
Wyse, Thomas G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 54, C02B 120
Patent
active
039473538
ABSTRACT:
Waste waters containing water glass, for example resulting from the dyeing of fabrics are purified by adding small amounts of basic nitrogen compounds, e.g. amines to the waste water and then carrying out the known flocculation process.
REFERENCES:
patent: 2234285 (1941-03-01), Schworm et al.
patent: 2264103 (1941-11-01), Tucker
patent: 2315734 (1943-04-01), Ralston et al.
patent: 2862880 (1958-12-01), Clemens
patent: 3487928 (1970-01-01), Canevari
patent: 3728419 (1973-04-01), Stanford et al.
Lehinant Armand
Lehmann Joachim Walter
Hoechst Aktiengesellschaft
Hruskoci Peter A.
Wyse Thomas G.
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