Anti-corrosion measures for gas pipelines in refineries
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I would like to ask all members of the group: The topic assigned for the defense is \"Anti-corrosion measures for gas pipelines in refineries\". I would like to know what categories gas pipelines in refineries can be divided into, what are the main components of the fluids flowing within these pipelines, and what other corrosive substances exist besides hydrogen sulfide? Is there any relevant information available? I’m sincerely seeking advice; I would appreciate it if those who know more could explain in detail. Extra points for help!
The welds of the gas pipelines before desulfurization require heat treatment; no other anti-corrosion measures have been seen.
Be careful to avoid dehydration regularly. Dehydration valves are installed at low points at regular intervals along the gas pipeline to remove water on a regular basis, thereby reducing pipeline corrosion.