For saline wastewater with chloride levels in the tens of thousands, which type of steel has good resistance to chlorides?
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For saline wastewater with chloride levels in the tens of thousands, which type of steel has good resistance to chlorides?
Use plastic pipes or steel pipes lined with PTFE; stop thinking about metal pipes all the time.
Consider whether there are effects of pressure and temperature; chloride ions can be addressed with coatings.
The materials used for the equipment are relatively expensive, such as 2205 and 800H； The pipeline can use inexpensive options, such as plastic-lined pipes.
For the treatment of chloride ions in saline wastewater, steel materials with good resistance to chloride ions should be used, such as stainless steel, phosphorus-resistant stainless steel, nickel-based steel, low-carbon steel, etc. For wastewater with chloride ion concentrations in the tens of thousands, materials with better resistance to chlorides, such as cemented carbide or phosphorus-resistant high-strength steel, can be considered.
No pressure, no high temperatures? Then go with plastic – PPR, PVC. What else is there besides chloride ions? If not, fiberglass will work as well. Normal sewage lifting is sufficient. For metals, below 50,000 ppm: 254SMO; at 200,000 ppm: Hastelloy C276; and then there’s TA2. 2205 won’t work; 2507 should work roughly.
Bro, did your family’s money just appear out of nowhere? At 200,000 ppm and high temperatures, 2205 will work fine; there’s no major issue with that: lol
Neither stainless steel nor high-strength steel seems suitable