System for controlling coagulant treatment based on monitoring of plural parameters

Claim 1

A system constructed an arranged for controlling the amount of cationic coagulant to be introduced into a laundry waste water having a FOG level which is to be reduced, said system comprising: a first detector adapted to determine the turbidity of a first material comprising a laundry waste water having a FOG level which is to be reduced, and to provide a first signal indicative of said determined turbidity; a second detector adapted to determine the electric charge value of a second material comprising said laundry waste water, and to provide a second signal indicative of said determined electric charge value, said first and second detectors each 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 to be introduced into said laundry waste water to reduce the FOG of said laundry waste water to a given level as a function of both said first signal and said second signal, and adapted to receive said first signal and said second signal, to process said first signal and said second signal in accordance with said relationship, and to provide a third signal to a source of cationic coagulant to control the amount of a cationic coagulant introduced from said source of cationic coagulant into said laundry waste water.

Claim 2

A system constructed an arranged for controlling the amount of cationic coagulant to be introduced into a laundry waste water having a FOG level which is to be reduced, said system comprising: a first detector adapted to determine the turbidity of a first material comprising a laundry waste water having a FOG level which is to be reduced, and to provide a first signal indicative of said determined turbidity; a second detector adapted to determine the electric charge value of a second material comprising said laundry waste water, and to provide a second signal indicative of said determined electric charge value, said first and second detectors each 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 to be introduced into said laundry waste water to reduce the FOG of said laundry waste water to a given level as a function of both said first signal and said second signal, and adapted to receive said first signal and said second signal, to process said first signal and said second signal in accordance with said relationship, and to provide a third signal to a source of cationic coagulant to control the amount of a cationic coagulant introduced from said source of cationic coagulant into said laundry waste water.

Claim 10

A system constructed and arranged for controlling the amount of a treatment composition to be introduced into an aqueous medium having a FOG level which is to be reduced, said system comprising: a plurality of detectors each of which is adapted to determine a different parameter, other than the FOG level, of a material comprising an aqueous medium having a FOG level which is to be reduced, and to provide a determined signal indicative of said determined parameter, at least two of said plurality of detectors are downstream of the introduction of treatment composition and upstream of the reduction fo the FOG level; and an automatic processor provided with a relationship of the amount of treatment composition to be introduced into said aqueous medium to reduce the FOG of said aqueous medium to a given level as a function of said plurality of determined signals, and adapted to receive said plurality of determined signals and to provide a control signal to a source of treatment composition to control the amount of a treatment composition introduced from said source of treatment composition into said aqueous medium.

Claim 11

A system constructed and arranged for controlling the amount of a treatment composition to be introduced into an aqueous medium having a FOG level which is to be reduced, said system comprising: a plurality of detectors each of which is adapted to determine a different parameter, other than the FOG level, of a material comprising an aqueous medium having a FOG level which is to be reduced, and to provide a determined signal indicative of said determined parameter, at least two of said plurality of detectors are downstream of the introduction of treatment composition and upstream of the reduction fo the FOG level; and an automatic processor provided with a relationship of the amount of treatment composition to be introduced into said aqueous medium to reduce the FOG of said aqueous medium to a given level as a function of said plurality of determined signals, and adapted to receive said plurality of determined signals and to provide a control signal to a source of treatment composition to control the amount of a treatment composition introduced from said source of treatment composition into said aqueous medium.

Claim 17

A method for controlling the amount of a treatment composition to be introduced into an aqueous medium having a FOG level which is to be reduced, said method comprising: determining a plurality of different parameters, other than FOG level, of one or more materials comprising an aqueous medium having a FOG level which is to be reduced, at least two of said parameters being determined downstream of said introduction and upstream of said reduction of the FOG level; generating a plurality of determined signals each of which is indicative of one of said plurality of different determined parameters; providing said plurality of determined signals to an automatic processor; providing said automatic processor with a relationship of the amount of a treatment composition to be introduced into said aqueous medium to reduce the FOG level of said aqueous medium to a given level as a function of said plurality of determined signals; generating a control signal from said automatic processor, said control signal being based on said automatic processor processing said plurality of determined signals 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 a treatment composition to be introduced into an aqueous medium having a FOG level which is to be reduced, said method comprising: determining a plurality of different parameters, other than FOG level, of one or more materials comprising an aqueous medium having a FOG level which is to be reduced, at least two of said parameters being determined downstream of said introduction and upstream of said reduction of the FOG level; generating a plurality of determined signals each of which is indicative of one of said plurality of different determined parameters; providing said plurality of determined signals to an automatic processor; providing said automatic processor with a relationship of the amount of a treatment composition to be introduced into said aqueous medium to reduce the FOG level of said aqueous medium to a given level as a function of said plurality of determined signals; generating a control signal from said automatic processor, said control signal being based on said automatic processor processing said plurality of determined signals 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.