C - Chemistry – Metallurgy – 10 – J
Patent
C - Chemistry, Metallurgy
10
J
202/110, 48/23
C10J 3/00 (2006.01) B01D 3/06 (2006.01) B01D 12/00 (2006.01) C01B 3/36 (2006.01) C01B 3/52 (2006.01) C02F 1/04 (2006.01) C02F 1/26 (2006.01) C10B 27/00 (2006.01) C10J 3/46 (2006.01)
Patent
CA 1113248
ABSTRACT This invention relates to an improved procedure and apparatus for treating impure water. A novel water flash column is employed which comprises at least one stripping plate and two bottom chambers separated by a vertical weir. The reclaimed water produced in the subject process is recycled to a raw synthesis gas scrubbing operation where a water-carbon dispersion is produced. This dispersion is resolved by extraction with a liquid organic extractant in a decanting zone, and impure water is separated from a liquid organic extractant-carbon dispersion. The liquid organic extractant-carbon dispersion is then resolved by distillation, and the constituents are separated in a separation vessel. Impure water from said separation vessel and/or said decanting zone is fed into the previously described water flash column. In one embodiment an emulsion is also formed in the separation vessel. This emulsion may be disposed of by recycling it to the decanting zone in admixture with one or both feed- streams. Alternatively, the emulsion may be introduced into the water flash column in admixutre with the impure water from the decanting zone; or the emulsion may be heated and broken into its constituent parts which are then disposed of within the system. - I -
322361
Estabrook Lawrence E.
Marion Charles P.
Richter George N.
Smart & Biggar
Texaco Development Corporation
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