Due to the growing awareness of environmental problems, not only individuals but also governments and companies have started to develop activities that tend to preserve or limit the damage to the environment. Thus, some disciplines of the environmental science, such as hydrology, hydrogeology,...
PDA 好気性消化槽
革新的なシステム
The objective of the Aerobic Digester, "PDA", is to study and understand aerobic digestion processes and to analyze their main parameters.
関連ニュース
概要
The objective of the Aerobic Digester, "PDA", 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 thermostatic bath to heat water up to 60ºC. 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 portable temperature, pH and dissolved oxygen meter to monitor the digestion.
演習と指導の慣行
マニュアルに含まれるガイド付き実習
- Acclimation of biological samples.
- Study of the temperature effect on the effluent quality.
- Study of the detention time effect on the effluent quality.
- Study of the aireation effect on the effluent quality.
- Study of the pH effect on the effluent quality.
- Study of the mass load effect on the effluent quality.
- Study of the nutrients effect on the effluent quality.
- Study of the recirculation effect on the effluent quality.
- Establishing the stoichiometry of aerobic processes.
- Establishing the kinetics of aerobic processes.
- Gas/liquid mass transfer.
- Residence time distributions.
- Measurement of MLSS and COD changes as criteria of performance.
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