C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/39
C02F 1/42 (2006.01) B01J 41/04 (2006.01) B01J 47/10 (2006.01)
Patent
CA 1292815
A B S T R A C T An ion exchange process for removal of fluoride and phosphorus-type contaminants from acidic process waste waters. Waste water is contacted with a strong base ion exchange resin to load SiF62- onto the resin. The resin can be regenerated with a compound which strips the SiF62- from the resin to form a water-soluble salt. Phosphate ions can be removed from the waste waters after removal of the fluoride containing ions.
533873
Advanced Separation Technologies Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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