Olefin water quench tower

Water Cooling Theory, Cooling Tower Design, Cooling Tower Fill, Gas Quench Towers, Quench Tower Design, Total Condenser Theory, Total Condenser Design, Partial Condenser Theory, Chlorine Gas Cooling, Vacuum Crude Stills, Atmospheric Crude Stills, Olefin Primary Fractionator, Olefin Water Quench Tower, Example Problem, Notation, References... 

The gas stream leaves a first-stage compressor in an olefin plant at a pressure of 48 psia and a temperature of The gas flow rate is 295,000 Ib/h consisting of 240 Ib-mol/h of water vapor and 10,000 Ib-mol/h of hydrocarbon. The exit gas must be cooled to 97°E Water to cool this gas steam is available at 90°F for use in a direct-contact gas cooler. The heated water effluent from this column should be at a temperature of about 130°F so that it can be returned to the center of the water quench tower. What will be the size of a packed interstage cooler, and how much can it reduce the gas-side pressure drop of 4.0 psi through the present tube-and-shell heat exchangers ... 

Description Feeds are sent to USC cracking furnaces (1). Contaminants removal may be installed upstream. A portion of the cracking heat may be supplied by gas turbine exhaust. Pyrolysis occurs within the temperature-time requirements specific to the feedstock and product requirements. Rapid quenching preserves high-olefin yield and the waste heat generates high-pressure steam. Lower temperature waste heat is recovered in the downstream quench oil and quench water towers (2) and used in the recovery process. Pyrolysis fuel oil and gaso-... 

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