Additive for clarifying aqueous systems without production of un

Details Additive for clarifying aqueous systems without production of un Additive for clarifying aqueous systems without production of un

1989-05-18

1991-04-09

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210729, 210708, C02F 154

Patent

active

050062743

ABSTRACT:
Method and additive are provided for clarifying an aqueous system which may contain an oil-in-water emulsion, a dispersion of a non-aqueous discontinuous phase, without production of a resultant uncontrollable floc in the system, by contacting the system with an effective water clarifying amount of a composition having present a dithiocarbamate of bishexamethylenetriamine, said dithiocarbamate having the formula: ##STR1## wherein: R is hydrogen, an alkali metal, an alkaline earth metal, ammonium, ion or an amine, the ratio of carbon disulfide to primary amine for said dithiocarbamate of bishexamethylenetriamine is approximately stoichiometric. The composition is maintained in the system for sufficient time to effectively clarify the system without production of an uncontrollable floc.

REFERENCES:
patent: 4689177 (1987-08-01), Thompson et al.
patent: 4731187 (1988-03-01), Moriya et al.

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