System for identifying unauthorized liquid waste and waste water

Details System for identifying unauthorized liquid waste and waste water System for identifying unauthorized liquid waste and waste water

1992-02-12

1993-11-30

Hepperle, Stephen M.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

116211, 1372361, 137551, G08B 100

Patent

active

052656403

ABSTRACT:
A system for marking unauthorized discharge of liquid waste product includes a supply for containing a dye tracer product within the confines of a factory, refinery, or vessel, an interface line for adding the dye product via a flow line to the discharge line of a factory, refinery or vessel, a valve controller for valving the flow of dye product between the supply tank and the discharge line, an activating device for activating the valve controller responsive to the sensing of a preset level of liquid waste product flow being discharged via the discharge line, so that unauthorized discharges of waste material via the discharge line automatically activates the valve controller to mix a dye product contained within the supply tank with the unauthorized fluid discharge.

REFERENCES:
patent: 2716961 (1955-09-01), Manheim et al.
patent: 3048464 (1962-08-01), Fisher
patent: 3115861 (1963-12-01), Allen
patent: 3496906 (1970-02-01), Gerke
patent: 3670692 (1972-06-01), Jackson
patent: 3768436 (1973-10-01), Martini
patent: 3874326 (1975-04-01), Pickens
patent: 3974940 (1976-08-01), Bartik
patent: 4376421 (1983-03-01), Skinner
patent: 4886607 (1989-12-01), Lalorde et al.
patent: 4991531 (1991-02-01), St. Amant

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