When it comes to dust collection solutions, experts have always argued between bag filter and electrostatic precipitators (ESPs). Every industry is looking for an innovative technology which helps them find the best possible technology for dust filtration and meets stringent environment norms. Hence, we decided to shed some light on it with our blog post.
India is a developing country. Therefore, with every passing year, there is an increase in the number of industries in our country. Consequently, there is an increase in air pollution which demands a Pollution Control System that can comply with the state/central government norms.
But it brings back to the same question –
Let us start first with ESP since it is an older technology.
Electrostatic Precipitator or ESP is an equipment which uses high intensity Electric Field to capture the dust particles. They are commonly used in the power plants, steel plants and in some cement applications
Advantages of ESP:
Limitations of ESP:
Which conditions are best suitable for an ESP?
Typical Applications of an ESP:
Now, let us discuss Bag Filter- its advantages, limitations and in which cases can it be used.
Bag Filter is an equipment which uses filter media to capture the dust particles. It is the latest technology available these days.
Advantages of Bag Filter:
Limitations of Bag Filter:
In which cases can a Bag Filter be used?
Lots of older ESPs are now being retrofitted to a Bag house or are converted into a hybrid Filter to comply with the latest stringent pollution control norms.
To conclude, none of them is a clear winner. It depends on the properties of the dust, gas volumes, temperatures, and your application as each of them has their own advantages and limitations.
We hope this will help you understand the difference between the two and choose the right technology for your process.