PDAC Computer Controlled Aerobic Digester

COMPUTER CONTROLLED AEROBIC DIGESTER - PDAC

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The objective of the Computer Controlled Aerobic Digester, "PDAC", unit is to study and understand aerobic digestion processes and to analyze their main parameters.

The unit consists of a 20 l capacity reactor vessel with a tubular membrane made of plastic inside to separate the sludge. Wastewater to be treated enters the vessels pumped by a peristaltic pump.

This unit includes a computer controlled thermostatic bath to heat water up to 60 ºC. That water is driven by a pump through a coil inside the reactor. A suitable temperature for the microorganisms population employed in the aerobic digestion will be obtained.

The greater amount of oxygen available in the environment in the aerobic digestion, the quicker the bacteria involved in the process will grow. Therefore, a compressor introduces a specific air flow into the reactor through a diffusion plate.

The aerobic reactor includes a temperature, pH and dissolved oxygen sensor to monitor the digestion.

This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.

연습 및 가이드

매뉴얼에 포함 된 가이드 실기 연습

  1. Acclimation of biological samples.
  2. Study of the temperature effect on the effluent quality.
  3. Study of the detention time effect on the effluent quality.
  4. Study of the aireation effect on the effluent quality.
  5. Study of the Ph effect on the effluent quality.
  6. Study of the mass load effect on the effluent quality.
  7. Study of the nutrients effect on the effluent quality.
  8. Study of the recirculation effect on the effluent quality.
  9. Establishing the stoichiometry of aerobic processes.
  10. Establishing the kinetics of aerobic processes.
  11. Gas/liquid mass transfer.
  12. Residence time distributions.
  13. Measurement of MLSS and COD changes as criteria of performance.
  14. Sensors calibration.

장비로 수행 할 수있는 더 많은 실용적 연습

  1. Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
  2. Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivative parameters, etc, in real time.
  3. The Computer Control System with SCADA and PID Control allow a real industrial simulation.
  4. This unit can be used for doing applied research.
  5. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  6. Control of the PDAC unit process through the control interface box without the computer.
  7. Visualization of all the sensors values used in the PDAC unit process.
  8. By using PLC-PI additional 19 more exercises can be done.
  9. Several other exercises can be done and designed by the user.

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