Hydrogen Sulphide Cracking
Definition - What does Hydrogen Sulphide Cracking mean?
Hydrogen sulphide cracking is a type atom cracking process that helps in breaking down hydrogen atoms from sulphur atoms in aqueous hydrogen sulphide, which is available in crude oil and natural gas. Hydrogen sulphide gas is a poisonous gas and cannot be emitted into the environment without treatment, thus hydrogen sulphide cracking process has to be adopted to remove hydrogen atoms from sulphur.
Petropedia explains Hydrogen Sulphide Cracking
Hydrogen Sulphide cracking is one of the important processes in the oil and gas industry as the hydrocarbons that are produced contain considerable amounts of hydrogen sulphide. When they are processed in the refineries, hydrogen sulphide gas (H2S), which is a toxic gas is produced. The oil and gas industrial equipment that come in contact with the H2S are very much prone to higher corrosion rates and are thus rated for sour service and are designed with the adherence of NACE standards such as NACE MR0175/ISO 15156 for oil and gas production environments or NACE MR0103/ISO17945 for oil and gas refining environments. This process helps in the treatment of this gas so that when it is released to the environment it is not poisonous.
There are three processes for performing hydrogen sulphide cracking:
- Hydrogen induced cracking (HIC)
- Stress oriented hydrogen induced cracking (SOHIC)
- Sulphide Stress Cracking (SSC)
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