Additionally, hydrogen sulfide is a particularly dangerous contaminant found in some natural gas deposits. This colorless gas is toxic and poses significant health hazards. Filtration systems must incorporate specialized treatment technologies, such as amine gas treating or catalytic oxidation, to remove hydrogen sulfide effectively. The presence of carbon dioxide, another common impurity, must also be minimized, as it can reduce the calorific value of natural gas. Separation technologies are often employed to extract these unwanted components, ensuring that the gas delivered meets strict quality standards.