PBGC/CTS Unité de Traitement de Biogaz, Contrôlée par Ordinateur (PC) et un Écran Tactile



The Computer Controlled Biogas Processing Plant, "PBGC/CTS", has been designed to generate biogas and study different parameters that affect the anaerobic digestion itself and the value of the obtained biogas.

Voir description générale

Description Générale

The Computer Controlled Biogas Processing Plant, "PBGC/CTS", is supplied with two reactors made of stainless steel with level sensors and stirring systems. In this way, the user can work either in only one stage or in two stages, separating the different phases of the digestion process (the processes of hydrolysis, acidogenesis and acetogenesis would take place in the first digester, and the methanogenesis in the second digester) and optimizing the conditions of each reactor separately.

The feed (substrate) is driven from a supply tank with stainless steel agitator to the first reactor by a computer controlled pump. The working mode can be continuous or discontinuous (in batches). Another pump impels the substrate from the first to the second reactor and, finally, another pump impels the generated digestate to a collection tank, where it is possible to study the influence of post-fermentation on the biogas output.

Both digesters have a heating jacket that allows the flow of hot water to regulate the appropriate temperature for each part of the process and the working temperature within different ranges depending on the used microorganisms (PID Control). The water that flows in the jacket is heated in a tank with a heating element and impelled through the two reactors in a closed circuit by a circulating pump.

To control the pH in the reactors, there are two computer controlled peristaltic pumps that impel acid or base to the reactors. The acid and base tanks are connected to each reactor independently.

The biogas produced is dried on a silica gel column and driven to a measurement pipe, where the biogas obtained is analyzed by measurements of flow rate, humidity, methane concentration, carbon dioxide concentration and biogas temperature. Thus, the obtained biogas is characterized and its quality and value as a source of renewable energy is determined.

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

Des exercices et pratiques guidées


  1. Study of the stabilization process.
  2. Study of the effect of temperature on the anaerobic digestion,purification and quality of the obtained biogas.
  3. Study of the pH effect on the anaerobic digestion, purificationand quality of the obtained biogas.
  4. Study of the volumetric load influence on the anaerobic digestion,purification and quality of the obtained biogas.
  5. Study of the type of substrate influence on the anaerobicdigestion, purification and quality of the obtained biogas.
  6. Study of the inhibitors influence on the anaerobic digestion,purification and quality of the obtained biogas.
  7. Influence of the working mode, with one or two stages, on thegeneration of biogas.
  8. Influence of the working mode, continuous or batch, on thegeneration of biogas.
  9. Influence of the working mode, with or without prior fermentation,on the generation of biogas.
  10. Determination of the optimum operation temperature.
  11. Determination of the optimum feeding rate.
  12. Determination of the flow rate, output and quality of biogasunder different working conditions.
  13. Sensors calibration.


  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 is totally safe as uses mechanical, electrical and electronic, and software safety devices.
  5. This unit can be used for doing applied research.
  6. This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
  7. Control of the PBGC unit process through the control interface box without the computer.
  8. Visualization of all the sensors values used in the PBGC unit process.
  9. Several other exercises can be done and designed by the user.



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