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How to eliminate hydrogen sulfide, methanol, and other contaminants in natural gas

  • February 24, 2022
  • 5 min read
How to eliminate hydrogen sulfide, methanol, and other contaminants in natural gas

Methanol is a flammable and toxic chemical compound that is harmful to both humans and animals. It has been identified as an important wellhead contaminant in many regions. Fortunately, the proper sulfur compounds can be removed from natural gas streams easily by using selective sorbents, such as activated alumina. If you’re working with natural gas, you may want to be aware of the contaminants in natural gas. For example, hydrogen sulfide and methanol are two of the more common contaminants that are often found in natural gas. However, one problem is that these contaminants can’t be detected by traditional testing methods.

What are sulfide compounds and how do they affect natural gas?

Like other chemicals, hydrogen sulfide and methanol are natural byproducts of the production process. They can be used for many things, but they are also harmful to the environment. The following are ways to eliminate hydrogen sulfide and methanol from natural gas. As natural gas is transported to consumers, it is very important to remove h2s from natural gas through purification processes. Hydrogen sulfide is a chemical compound that causes corrosion of equipment and corrosion of pipeline walls, while methanol can lead to corrosion and explosions. Other contaminants may include benzene, ethylbenzene, xylene, and methylbenzene.

How do you remove sulfur from natural gas?

Methanol and hydrogen sulfide are two chemicals that come along with natural gas. Methanol is often created by the reaction of water vapor with natural gas. When this happens, it can seep into your home’s foundation, sewer system, or water supply. Hydrogen sulfide is a chemical compound that smells like rotten eggs and has been known to cause neurotoxic effects in people living near gas fields. The sulfur problem for natural gas dates back to the 1800s. In the 1800s and early 1900s, cities in Europe and North America were running out of fuel. They needed alternatives to the coal they used, and the location of natural gas was ideal. To prevent supply issues, many countries began drilling deep into the earth’s crust and extracting natural gas from deposits far below their surface.

How to identify sulfur in LNG (Liquefied Natural Gas)

The formation of hydrogen sulfide in natural gas is a fairly common occurrence. This type of sulfur occurs as a result of the combination of sulfur and oxygen molecules. The hydrogen sulfide then reacts with water vapor to form more sulfur dioxide, a chemical that has been classified as a known human carcinogen by the World Health Organization. There are three ways to detect sulfur in natural gas. These methods include the use of infrared spectroscopy, a gas chromatography method, Natural gas is a clean and reliable domestic fuel that can help reduce carbon emissions, but it is often polluted with these contaminants. Methanol is the most common contaminant of natural gas, followed by hydrogen sulfide. Sulfur dioxide pollution can also be found in natural gas as well as other types of pollution such as carbon dioxide, nitrous oxide, and benzene.

How does methanol impact natural gas quality?

Methanol is a toxic byproduct that can come from natural gas production. Methanol can adversely affect the quality of natural gas, but it’s also possible to eliminate methanol through specific steps. By following these steps and taking proper safety precautions, you’ll be able to remove toxic elements from the gas you’re producing which can result in a cleaner, more reliable supply of natural gas for your consumers. Methanol is a molecule that has a different structure from that of natural gas. The oxidation process creates two or more molecules of hydrogen sulfide and, as the molar conversion from natural gas to methanol is 10:1, this makes for a significant amount of hydrogen sulfide in the product mix.

Tips for operators to minimize hydrogen sulfide in natural gas or LNG

Hydrogen sulfide (H2S) is a highly toxic, naturally occurring gas that can contaminate natural gas or liquefied natural gas (LNG). This gas is formed when shale rock containing kerogen decomposes. H2S vaporizes at room temperature, but in colder temperatures, the vapor becomes liquid. As an LNG carrier approaches the coast, coastal receivers are used to release the liquefied natural gas into tankers and onshore facilities. Methanol is a colorless liquid and one of the smallest alcohols. It can be found in natural gas at concentrations as low as 100 parts per billion. Methanol occurs naturally from certain biological sources, but it also comes from industrial processes like distillation, fermentation, or exposure to light or other energy sources. Methanol poses health risks to humans and livestock because it can cause blindness, kidney failure, brain damage, and death.


Hydrogen sulfide is just one of the many contaminants that can be found in natural gas. Methanol, xylene, and benzene are also commonly found in natural gas supplies. These contaminants have been listed as hazardous air pollutants by the Environmental Protection Agency (EPA) because they cause various health problems when inhaled, including damage to the nervous system, inflammation in the lungs, cancer, and even death. The first step to eliminating hydrogen sulfide, methanol, and other contaminants in natural gas is to perform a pre-treatment with an enzyme. A dehydration unit can then be used for the second step. In the third step, cleaning agents are used before the final product is sent for transport.