Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-08-21
1979-12-11
Castel, Benoit
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
C02B 120
Patent
active
041782429
ABSTRACT:
Bisisothiouronium salts are disclosed, which are extremely useful in the depollution of water in which the pollutants are dyestuffs and generally anionic compounds difficult to precipitate. Precipitation with bisisothiouronium salts according to the invention occurs, conversely, very easily.
REFERENCES:
patent: 2545876 (1951-03-01), Clemence et al.
patent: 2759973 (1956-08-01), Grogan et al.
patent: 3822205 (1974-07-01), Oohara et al.
Anic S.p.A.
Castel Benoit
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