Pertinent Information About Hydrogen Sulfide

Those who are in close touch with hydrogen sulfide know that it is a harmful gas and it could lead to various health effects. Workers are at a higher risk because they are obviously in close contact with this gaseous substance. They get affected because they breathe it because of the surroundings in which they work. While normally it is believed that hydrogen sulfide is not dangerous, overdosage or inhaling in large quantities could be harmful and it could lead to injuries and even death. Hence, it is important to find out ways and means by which the risk can be overcome.

The Limits Need To Be Understood

The dangers associated with hydrogen sulfide inhalation or contamination with water and other sources would depend on the contamination limits. Normally when the limits are between 0.01 to 1.5 ppm or parts per million it might start giving out a bad odor that is somewhat like rotten eggs. However, when the ppm levels of concentration go beyond 3.5 then the odor becomes offensive. When it reaches around 30 ppm then you could reach a stage where the order could be considered as sickeningly sweet.

If a person is continuously exposed to this odor, he or she could suffer from common side effects. These could include watering of the eyes, nausea, and loss of sleep or headaches. People with bronchial problems could suffer from severe breathing problems and other such symptoms.

As the levels of concentration measured by parts per million increase, it is quite obvious that side effects will become even more severe. Many people suffer from gas eyes or conjunctivitis. Many also could suffer from severe loss of appetite and digestive tract problems. Other serious side effects include loss of smell, drowsiness after continued exposure for 15 to 30 minutes are also worth mentioning. At levels higher than 500 ppm, the side effects could be very severe and could endanger the lives of the persons and people are known to stagger and collapse and death may occur in around 30 to 60 minutes.

How to Overcome The Problem

There are many ways by which the problem can be overcome and it may not be possible to have a straight-jacketed approach to the problem. We are looking at a few of the options for the benefit of our customers.

Activated Carbon (Granular) – If the level of Hydrogen Sulfide is less than 0.3 ppm it makes sense to use granular activated carbon activated granular filtering systems. These are also referred to as GAC filters and they are considered efficient because they can absorb hydrogen sulfide. However, they have limited absorbing capacity and you may have to have other options in hand.

Catalytic Carbon – As technology moves on there are other options that are also quite efficient for removing hydrogen sulfide. One such option is catalytic carbon because like activated carbon it has all the absorbent properties. At the same time, it also has the capacity of converting hydrogen sulfide into less dangerous elemental sulfur.

The Final Word

Apart from the above, there are also other options like aeration, greensand manganese filter and chemical oxidation that could be thought about. These methods can be effective if it is used in the right way.

Contact US:

Chemical Products Industries, Inc.
Address: 7649 SW 34th St, Oklahoma City, OK
Phone: (800) 624-4356

Information You Need to Know about Hydrogen Sulfide Adsorbent

Do you want to know about hydrogen sulfide adsorbent? Or do you have any queries in your mind regarding it? If yes, then this article is very beneficial for you. There are many confusions about hydrogen sulfide adsorbent spread all over the internet. In this article, you will get some important information and all the most asked questions related to it will also be answered. So if this sounds helpful, then keep reading this article. Now without wasting any moment, let’s jump into the main deal.

What is Hydrogen Sulfide?

Hydrogen sulfide, also known as H2S is a colored gas that is very well known for its smell of rotten eggs and it is heavier than air. This gas is prepared at a room temperature by treating 1:1 HCL acid with sulfide (FeS + 2 HCl = FeCl2 + H2S). It is a strong reducing agent. It acidified KMnO4 to colorless Mn(II) salt and reduces the halogens to respective hydrogens halides. It is very easy to identify it due to its rotten eggs smell and because of the formation of black Pbs, it turns moist lead acetate paper black. For the identification and separation of metal ions, it is an important reagent.

What is Adsorption?

It is a process in which a fluid is dissolved or mixed with a solid or liquid. In this process, atoms, ions or molecules from a substance (it could be gas, liquid or dissolved solid) adhere to a surface of the adsorbent. It is like a surface-based process where adsorbate film is created on the surface while absorption involves the entire volume of the absorbing substance.

Reason Behind the Rotten Egg Smell

A lot might be wondering why hydrogen sulfide adsorbent smells like a rotten egg. When the organic matter anaerobic decomposition occurs, then hydrogen sulfide comes out as a part of it and becomes a Sulphur cycle part. Sulfur is one of the major constituents of egg yolk and when the eggs start decaying, then this leads to the evolution of H2S gas . That’s why hydrogen sulfide adsorbent smells like a rotten egg.

How is hydrogen sulfide deadly?

Hydrogen sulfide can be deadly if you smell it. To help you understand better, here is the detailed explanation. When you smell hydrogen sulfide, your olfactory system is anesthetized. It doesn’t show any immediate effect and you think that it is okay. After continuously inhaling it for some time, it becomes difficult and disrupts your lung functioning. To get a better idea, you can check the periodic table and look for the positioning of Sulphur and oxygen and then look at H2S and H2O. You will get an idea about the chemical properties of these compounds and why they can be deadly.


So this was all the information that you should about hydrogen sulfide absorbent and its properties. Though there is a lot more information on this topic but these are the general things that everyone must know. Hope this article will provide you some useful information.

Contact US:

Chemical Products Industries, Inc.
Address: 7649 SW 34th St, Oklahoma City, OK
Phone: (800) 624-4356