PCCAC Computer Controlled Water Quality Control Unit

12.3.- DRINKING WATER TREATMENT 13.3.- WASTEWATER TREATMENT
COMPUTER CONTROLLED WATER QUALITY CONTROL UNIT - PCCAC

INNOVATIVE SYSTEMS

Water is impelled by a pump from a supply tank towards a first transparent tank equipped with a stirrer and a conductivity sensor.

See general description

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General Description

Water is impelled by a pump from a supply tank towards a first transparent tank equipped with a stirrer and a conductivity sensor.

Conductivity is regulated in this tank by the addition of diluted caustic soda impelled by a computer controlled peristaltic pump.

Afterwards, water flows by gravity towards a second transparent tank equipped with a pH sensor and a dissolved oxygen sensor. Due to the caustic soda added to the first tank, the pH increases considerably. Diluted sulfuric acid is added with a computer controlled peristaltic pump to neutralize water to a suitable pH. A computer controlled compressor will inject compressed air in this second tank to regulate dissolved oxygen.

Finally, water flows towards a collection tank, where the redox potential and the pH are measured through sensors. Other computer controlled peristaltic pump allows the addition of an iodine solution to regulate the redox potential.

P, PD, PI and PID controls for the different stages.

Exercises and guided practices

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

  1. Study and influence of the main physical-chemical parameters on the water quality.
  2. Analysis of the conductivity, pH, oxygen concentration and redox potential of water.
  3. Influence of caustic soda on the electric conductivity of water.
  4. Influence of caustic soda on the water pH.
  5. Influence of sulfuric acid on the water pH.
  6. Influence of air injection on the water oxygen concentration.
  7. Influence of iodine on the water redox potential.
  8. Analysis and study of different types of control P, PD, PI, PID.
  9. Sensors calibration

MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

  1. Sensors calibration.

Quality

AFTER-SALES SERVICE

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