Water treatment to reduce fog levels controlled with streaming current detector

Claim 1

A system constructed and arranged for controlling amounts of cationic coagulant introduced into a laundry waste water having a FOG level which is reduced, said system comprising: a detector adapted to determine the electric charge value of a material comprising the laundry waste water and to provide a signal indicative of said determined electric charge value, said detector being downstream of the introduction of cationic coagulant and upstream of the reduction of FOG level; and an automatic processor provided with a relationship of the amount of cationic coagulant introduced into the laundry waste water to reduce the FOG of the laundry waste water to a given level as a function of said signal, and adapted to receive said signal, to process said signal in accordance with said relationship, and to provide another signal to a source of cationic coagulant to control the amount of cationic coagulant introduced from the source of cationic coagulant into the laundry waste water.

Claim 2

A system constructed and arranged for controlling amounts of cationic coagulant introduced into a laundry waste water having a FOG level which is reduced, said system comprising: a detector adapted to determine the electric charge value of a material comprising the laundry waste water and to provide a signal indicative of said determined electric charge value, said detector being downstream of the introduction of cationic coagulant and upstream of the reduction of FOG level; and an automatic processor provided with a relationship of the amount of cationic coagulant introduced into the laundry waste water to reduce the FOG of the laundry waste water to a given level as a function of said signal, and adapted to receive said signal, to process said signal in accordance with said relationship, and to provide another signal to a source of cationic coagulant to control the amount of cationic coagulant introduced from the source of cationic coagulant into the laundry waste water.

Claim 9

A system constructed and arranged for controlling the amount of treatment composition introduced into an aqueous medium having a substantially non-solid FOG level which is to be reduced, said system comprising: a streaming current detector adapted to determine the electric charge value of a material comprising said aqueous medium and to provide a signal indicative of said electric charge value, said streaming current detector being downstream of the introduction of the treatment composition and upstream of the reduction of said FOG level; and an automatic processor provided with a relationship of the amount of treatment composition introduced into the aqueous medium to reduce the FOG level of the aqueous medium to a given level as a function of said signal, and adapted to receive said signal and to provide a control signal to a source of treatment composition to control the amount of treatment composition introduced from the source of treatment composition into the aqueous medium.

Claim 10

A system constructed and arranged for controlling the amount of treatment composition introduced into an aqueous medium having a substantially non-solid FOG level which is to be reduced, said system comprising: a streaming current detector adapted to determine the electric charge value of a material comprising said aqueous medium and to provide a signal indicative of said electric charge value, said streaming current detector being downstream of the introduction of the treatment composition and upstream of the reduction of said FOG level; and an automatic processor provided with a relationship of the amount of treatment composition introduced into the aqueous medium to reduce the FOG level of the aqueous medium to a given level as a function of said signal, and adapted to receive said signal and to provide a control signal to a source of treatment composition to control the amount of treatment composition introduced from the source of treatment composition into the aqueous medium.

Claim 17

A method for controlling the amount of treatment composition introduced into an aqueous medium having a substantially non-solid FOG level which is to be reduced, said method comprising: employing a streaming current detector to determine the electric charge value of a material comprising an aqueous medium having a FOG level which is to be reduced downstream of said treatment composition introduction into said aqueous medium and upstream of said reduction of the FOG level; generating a signal which is indicative of said electric charge value; providing said signal to an automatic processor; providing said automatic processor with a relationship of the amount of treatment composition introduced into the aqueous medium to reduce the FOG level of the aqueous medium to a given level as a function of said signal; generating a control signal from said automatic processor, said control signal being based on said automatic processor processing said signal in accordance with said relationship; providing said control signal to a source of treatment composition which provides said treatment composition to said aqueous medium; and operating said source of treatment composition in response to said control signal to control the amount of said treatment composition from said source of treatment composition to said aqueous medium.

Claim 18

A method for controlling the amount of treatment composition introduced into an aqueous medium having a substantially non-solid FOG level which is to be reduced, said method comprising: employing a streaming current detector to determine the electric charge value of a material comprising an aqueous medium having a FOG level which is to be reduced downstream of said treatment composition introduction into said aqueous medium and upstream of said reduction of the FOG level; generating a signal which is indicative of said electric charge value; providing said signal to an automatic processor; providing said automatic processor with a relationship of the amount of treatment composition introduced into the aqueous medium to reduce the FOG level of the aqueous medium to a given level as a function of said signal; generating a control signal from said automatic processor, said control signal being based on said automatic processor processing said signal in accordance with said relationship; providing said control signal to a source of treatment composition which provides said treatment composition to said aqueous medium; and operating said source of treatment composition in response to said control signal to control the amount of said treatment composition from said source of treatment composition to said aqueous medium.

Claim 24

A system constructed and arranged for controlling the amount of cationic coagulant introduced into a laundry waste water having a FOG level which is to be reduced, said system comprising: a streaming current detector adapted to determine the electric charge value of a material comprising the laundry waste water and to provide a signal indicative of said determined electric charge value, said streaming current detector being downstream of the introduction of cationic coagulant and upstream of the reduction of FOG level; and an automatic processor provided with a relationship of the amount of cationic coagulant introduced into the laundry waste water to reduce the FOG level of the laundry waste water to a given level as a function of said signal, and adapted to receive said signal, to process said signal in accordance with said relationship, and to provide another signal to a source of cationic coagulant to control the amount of cationic coagulant introduced from the source of cationic coagulant into the laundry waste water.

Claim 25

A system constructed and arranged for controlling the amount of cationic coagulant introduced into a laundry waste water having a FOG level which is to be reduced, said system comprising: a streaming current detector adapted to determine the electric charge value of a material comprising the laundry waste water and to provide a signal indicative of said determined electric charge value, said streaming current detector being downstream of the introduction of cationic coagulant and upstream of the reduction of FOG level; and an automatic processor provided with a relationship of the amount of cationic coagulant introduced into the laundry waste water to reduce the FOG level of the laundry waste water to a given level as a function of said signal, and adapted to receive said signal, to process said signal in accordance with said relationship, and to provide another signal to a source of cationic coagulant to control the amount of cationic coagulant introduced from the source of cationic coagulant into the laundry waste water.