Systems and methods for polymer addition control for water treatment

A system to treat wastewater, comprising:

• a wastewater tank having an inlet and an outlet, the inlet fluidly connected to a wastewater point of entry;
• means for dewatering wastewater having an inlet fluidly connected to the wastewater tank outlet;
• a treatment agent inlet fluidly connected to the means for dewatering wastewater inlet and a treatment agent point of entry;
• a rheological sensor;
• and
• a controller connected to the sensor, the controller programmed to regulate a flow of treatment agent through the treatment agent inlet.

A method to treat wastewater, comprising:

• providing a wastewater stream;
• adding a treatment agent to the wastewater stream;
• continuously measuring a rheological property of the wastewater stream;
• and
• adjusting a flowrate of the treatment agent based on the rheological property.

A method to treat wastewater, comprising:

• providing a wastewater stream;
• adding a treatment agent to the wastewater stream to produce a treated stream;
• separating the treated stream into a liquid-rich stream and a solid-rich stream;
• continuously measuring a rheological property of at least one of the liquid-rich stream and the solid-rich stream;
• and
• adjusting a flowrate of the treatment agent based on the rheological property.