Industrial Odour Control: Dos and Dont's

 

The planning and designing of an odour control system should be done carefully. Various factors have to be considered, or else a chemical odour control scrubber can cause havoc while treating hydrogen sulfide or ammonia gasses. 

 

With the right odour control system, you can avoid problems with calcium chloride and other corrosive gasses.

 

How to ensure the optimum functioning of your chemical odour control systems:

 

The chemical odour control systems which are designed for municipal water treatment plants are attached to a degasification process. This is required to treat Hydrogen Sulfide (H2S). Mostly caustic soda or sodium hypochlorite or chlorine are used to treat hydrogen sulfide. They are already in place in a water treatment facility to adjust and control pH.

 

However, the entry of caustic soda into the chemical odour control system can cause foul smells and scale build-up. This can cause a complete shutdown of the system. Thus, the composition of water reaching the chemical odour system is very crucial.

 

Another factor to consider is water hardness. High levels of calcium and magnesium salts can make your chemical scrubber foul and cause its scaling. If the water chemistry is incorrect, no matter what media you use in your chemical odour control system, it can foul and scale.

 

Thus, the water s subjected to the odour control system should be from hardness salts and have the right alkalinity. A water softener or a Reverse Osmosis system can be used to condition the water.

 


One of the crucial factors is to use the right amount of chlorine. Using a high amount of chlorine will mask the treatment of H2S. Not only is it expensive, but it is also dangerous to humans and corrosive to all surrounding equipment. The equipment in and around a chemical scrubber will begin to corrode immediately.

 

Thus, one must make sure to monitor the feed water, adjust the pH, and check the  Langelier Saturation Index number. Even while treating ammonia, chemical reagents may be different but the need to control pH remains the same.

 

At PDFL, we make sure to educate our clients about the correct operating parameters to keep the chemical scrubber performing at the optimum levels. PDFL offers process equipment such as vessels, reactors, scrubbers, biofilters, biogas reactors and many related accessories. Our team is always ready to keep your odour control systems running at top performance. If you need further assistance with an odour control scrubber, the professionals here at PDFL will be happy to help. Get in touch today!

 

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