B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/02 (2006.01) B03B 1/04 (2006.01) B03B 5/00 (2006.01) B08B 3/08 (2006.01) C01B 33/12 (2006.01)
Patent
CA 2398329
A process for removing iron impurities from sand by treatment of an aqueous slurry of the sand with a chelating agent for iron cations.
Craig Wilson And Company
Hercules Incorporated
LandOfFree
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