Oil Field Production Chemicals, ECC Egyptian Hydrogen Sulfide Scavengers
Oil Field Production Chemicals, ECC Egyptian Hydrogen Sulfide Scavengers
Drilling fluids Production chemicals Solids Control & Waste Management Training

Hydrogen Sulfide Scavengers

Hydrogen sulfide (H2S) is a colorless, flammable and extremely hazardous gas, which occurs naturally in the oil and gas industry. Many chemicals readily react with H2S including caustic, peroxides, formaldehyde, nitrites and many types of amines.

Hydrogen sulfide scavengers convert the H2S or mercaptans (group of sulfur-containing organic chemical substances) into other sulfur compounds, improving environmental, health and safety compliance, as well as increasing production efficicency and improving operational reliability.

There are three types of Hydrogen sulfide scavengers: water-soluble, oil-soluble and metal-based:

Water-soluble scavengers

Water-soluble scavengers are among the most common scavengers and are often the product of choice for applications at temperatures below 200°F (93°C). Economical costs and fast reaction rates make them attractive options. Moreover, due to their water solubility, they add a minimum amount of nitrogen to the fuel. These are the preferred additives for use in LPG, resides and crude oils.

Oil-soluble scavengers

Oil-soluble scavengers are used in high-temperature applications or when water tolerance of the hydrocarbon is an issue. These products are typically amine based and perform as effectively as water-soluble additives. These products react with H2S irreversibly to form a thermally stable, oil soluble alkyl sulfide. They can be applied at a wide range of temperatures, from ambient up to 350°F (177°C), and are often the product of choice for viscous heavy oils and resids.

Metal-based scavengers

Metal-based scavengers answer the specific needs of very high temperature and high-H2S concentration applications. These additives can be used at temperatures in excess of 350°F (177°C) to form thermally stable products and are able to provide H2S reduction levels that other H2Sscavengers cannot achieve.

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