You can add Pollution Control Systems (PCS) to your incinerator to regulate or reduce the emission in the atmosphere that happens during the process of incineration. In an incinerator the exhaust gases pass through the burner (secondary). This process in turn leads to re- burning of all toxic gas components present in the exhaust. You need to retain the exhaust gases for a particular period. A specific temperature must be maintained during this retention period that ranges between 850 to 1200 degree Celsius and the temperature depends on the application.
There are certain gaseous components like furans and dioxins that need to be destroyed by the following 3 ways:
- The residence time of the gas components in the high temperature should be sufficient.
- Homogenous high temperature which is greater than 850 degrees Celsius
- By using greater than 6% of oxygen
By means of the above three methods you can prevent the cracking of dioxins into smaller reactive particles. These small reactive molecules can be reformed into new molecules, and this happens usually in the presence of heavy metals that act like catalysts in the process.
There are certain countries where additional Pollution Control Systems are required to maintain the local threshold values of emission. Incinerators usually produce very low emission.
4 Different Types of Pollution Control Systems (PCS)
Along with their roles as incinerators, pollution control systems have wide application in airplanes, trains, factories and in other facilities. Due to these varied usages, there is large variety of available pollution control systems.
If necessary, you can add the following 4 types of pollution control systems to your incinerator:
Pollution control systems that are small
- These pollution control systems are designed for rate of flow that must be low.
- The waste batch size is smaller.
- Volume is approximately 120 liters.
- This kind of pollution control system can be used with incinerator of small size to control emission.
- Gas, soot, and solids (entrained) that are emitted by the incinerator during the burning process of RDF mix (plastic content) can be captured by this type of pollution control system.
Medium pollution control systems
- This type of pollution control systems can capture as well as clean the gases that are emitted by burning medical wastes.
- Soiled bandages are primarily the medical wastes that are burned in this process.
- This model of pollution control system consists of typically 230 element filters (individual filters).
- Considering the waste stream and the volume, this type of pollution control system is the best option for different medical processes.
- For specific stream of wastes there are custom designed separator systems.
- On reaction with hydrated lime, acid gases are removed in this type of pollution control system. The resulting solid is then captured.
- Condensed heavy metals are removed as particulate matters in the filter.
Pollution control systems that are of large size
- Approximately 320 element models are required for this type of pollution control systems.
- This type of pollution control system can handle 1000kg per hour machines.
- There is a large filter array and an additional heat exchanger which is present in this type of pollution control system that helps in reducing the temperature of gas to the level which is required for cleaning.
- You can use very large incinerator for a large pollution control system.
- For specific type of waste, the separator of the system can be customized.
- It is a combination of technologies namely high-pressure water misting and vortex technology.
- It has a gas cleaning system that has lower throughput.
- These scrubbers are well tested.
- Industrial sectors mostly use this type of pollution control system.
Following specific regulations and legislations which are applicable for you, go for the pollution control system that best suits your purpose.