Leached Slurry Transportation
Slurry transportation with high nickel levels
Case Study Nº
18
Customer
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Working Conditions
Pexgol Pipes
Application
Lenght
Categories
The Challenge
Moa Nickel used to transport leached slurry from the tubular reactors to the CCD thickener feed line. This process caused several issues on different pipe materials. The transported fluid was composed by:
- 28-32 g/l acid
- 1,00 g/l N
- 0,54 g/l Co
- 1,00 g/l Fe
- 21,00 g/l SO4
- 30,0 g/l free acids
- Solids: 0,086% Ni, 0,013% Co, 46,00% Fe
Previously, titanium Sch20 pipes were installed, but if suffered deformations and it needed to be repaired constantly. The titanium pipe was replaced for a stainless steel pipe 316 Sch40, and it lasted 8 years and it finally required to be replaced because it presented wear issues.
Pexgol Solution
Golan provided 11.8 meters of pipes sections with mechanical joins that could resist corrosion, high temperatures and wear with no effort.
Regarding the prices per meter, installation costs and maintenance, versus stainless steel and titanium pipes, Pexgol proved to be the most convenient option.
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