C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
196/65
C10B 55/00 (2006.01)
Patent
CA 1326461
SLUDGE DEWATERING AND DESTRUCTION WITHIN A DELAYED COKING PROCESS Abstract of the Disclosure Wet refinery sludges are disposed of by feeding them into a delayed coking process. The sludge is fed to the blowdown drum of the delayed coking process and mixed with oil condensed from the coke drum overhead, and the resulting sludge-oil mixture is fed to the coke drum where it is converted into coke. In order to remove the water from the sludge, a portion of the sludge-oil mixture is heated and recirculated to the blowdown drum where it provides the heat for drying and heating the sludge. The recirculating sludge-oil mixture is heated by a low level heat source, such as one of the fluid streams taken off from the fractionator.
591035
Godino Rino L.
Mcgrath Michael J.
Finlayson & Singlehurst
Foster Wheeler Usa Corporation
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