Who knows the material and manufacturer of the feed pump used for the RO membranes in seawater desalination projects
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Gentlemen, does anyone know the material of the feed pump used for RO membranes in seawater desalination projects, as well as information on the manufacturers? Please give me some advice!
Duplex steel; it seems to need to be imported.
Desalination requires high standards for pump materials, typically two-way stainless steel. It is recommended that the original poster post the detailed specifications for this pump, so that everyone can help recommend which type of pump to use
Thank you for all your suggestions; actually, I’m not using it for seawater desalination. It deals with 20% sulfuric acid, Q=10m3/h, H=400m. If you have any suitable recommendations, please let me know.
Then one has to check the material properties. However, if membrane technology is used for acid recovery, you might want to take a look at this website. www.apex-tec.com can recover acid at normal temperature and pressure, offering better cost-performance.
Are there any high-pressure pumps with Q=1-5 m3/h and H=300 m, preferably made of duplex steel? If not, 316L can also suffice. Please provide the manufacturer and contact number. Thank you! As a side note, it is mainly used for saline solutions.
For this pump requiring low flow rates but high head, a multi-stage centrifugal pump or a high-speed pump should be chosen; given that the pump is made of double-direction steel, a high-speed pump is recommended!
It is recommended to use GRUNDFOS pumps – a German brand that also has production facilities in Suzhou. A variety of pump models are available for selection, and their main advantages are stable performance and low failure rates. The CRN90 pump we use for pure water purification has been in operation for over 7 years without ever breaking down.
Send your requirements to my email address: hushunmin@astropulsion.com, Shanghai Aerospace Power Technology Engineering Co., Ltd. We develop some special water pumps
We manufacture high-pressure plunger pumps from German S&U, which can be used in various high-pressure applications.