Page 348 - Fluid mechanics, heat transfer, and mass transfer

ANNEXURE (TEMA FOULING FACTORS) 329
TABLE 10.11 (Continued ) TABLE 10.11 (Continued )
Refinery Straight Run Products Light Ends Processing Streams
Gasoline 0.001 Overhead gases and vapors 0.001
Naphtha and light distillates 0.001 Liquid products 0.001
Kerosene 0.001 Absorption oils 0.002
Light gas oil 0.002 Alkylation trace acid streams 0.003
Heavy gas oil 0.003 Reboiler streams 0.003
Heavy fuel oils 0.005 Lube oil processing streams 0.003
Asphalt and residues 0.010 Feed stock 0.002
Cracking and Coking Unit Streams Solvent feed mix 0.002
Solvent 0.001
Overhead vapors 0.002
Extract 0.003
Light cycle oil 0.002
Raffinate 0.001
Heavy cycle oil 0.003
Asphalt 0.005
Light coker gas oil 0.003
Wax slurries (wax deposition to be prevented 0.003
Heavy coker gas oil 0.004
on cold tube walls)
Bottoms slurry oil (vel. min. 4.5 ft/s) 0.003
Refined lube oil 0.001
Catalytic Reforming, Hydrocracking, and
2
Note: Reported fouling factors in the above tables are in ft ( F Btu). 1 Btu/
Hydrodesulfurization Streams (ft Fh) ¼ 5.6785 W/(m K).
2
2
Reformer charge 0.002
Reformer effluent 0.001
Hydrocracking charge and effluent 0.002
Recycle gas 0.001
Hydrodesulfurization charge and effluent 0.002
Overhead vapors 0.001
Liquid product (>50 API) 0.001

Liquid product (30–50 API) 0.002