
HCl recovery from Steel Pickling Exchaust (774K PDF)
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A highly effective contacting device for applications requiring a low gas-to-liquid ratio
The design consists of a number of perforated trays in a vertical cylindrical tower. Liquid flows horizontally across the trays while gas flows up through the perforated tray at high velocity creating a frothing effect where the gas absorption takes place. The liquid then flows through downcomer pipes to the lower trays. The number of trays can vary depending on the application and efficiency required. Sieve trays are best suited for absorption of highly soluble but volatile compounds such as alcohols and other soluble organics as well as some acid gases. This type of configuration minimizes water usage while achieving maximum contaminant removal. Sieve trays are also less prone to plugging than packed towers and can effectively remove particulate down to 5 microns in size.
VTS Bulletin 12-14 (881K PDF)
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Sieve Tray Scrubber Features:
- Capacities from 500 to 60,000 ACFM.
- Simultaneous removal of gases and large particulate.
- Low fouling design reduces maintenance.
- Low water usage compared with conventional packed scrubber.
- No recycle pump required. Unit operates with once-though water.
- Corrosion resistant construction.
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