Purification of broken frac fluid

Details Purification of broken frac fluid Purification of broken frac fluid

C - Chemistry, Metallurgy

10

G

C10G 25/02 (2006.01) C04B 35/44 (2006.01) C10G 17/02 (2006.01) C10G 19/02 (2006.01) C10G 25/00 (2006.01)

Patent

CA 2225297

Phosphates are removed from a hydrocarbon stream by first contacting the hydrocarbon stream with a polar material, wherein the polar material chemically reacts with phosphates in the hydrocarbon stream and binds to the phosphates and then separating the hydrocarbon stream from the polar material. Contacting the hydrocarbon stream with the polar material preferably, particularly for large volume applications at a refinery, may comprise passing the hydrocarbon stream through a fixed filter bed composed of polar material that is insoluble in water or oil, wherein the hydrocarbon stream is separated from the polar material upon passage through the fixed filter bed. Contacting the hydrocarbon stream with the polar material may also comprises, particularly for use at a well site, mixing the hydrocarbon stream with an aqueous acid or base solution. Apparatus for carrying out the methods is also provided.

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