Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1990-04-20
1991-06-18
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
261118, 261DIG54, B01D 4700
Patent
active
050246860
ABSTRACT:
This invention relates to a novel gas-liquid contacting apparatus and method utilizing recycle spray contact trays disposed within a substantially vertical vessel. Each contact tray contains one or more housings defined by upstanding vertical wall members, said housings being open to gas flow at top and bottom. Within the housings, liquid spray is continuously generated by means of gas flowing upward past a first array of spaced-apart gas venturi-generating liquid conductors. Liquid flows from the tray floor outside the housing through the liquid conductors, is distributed into the gas, and is entrained upward as spray by the gas venturi action. The major apart of the liquid spray is captured by an array of horizontal open-ended foraminous or perforated tubes, in substantial side-by-side contact with each other. The spray issuing laterally from the tubes impinges on the vessel walls and liquid therefrom drains downward or falls by gravity to the tray floor, where the process is repeated. The method of invention encompasses spray contacting with automatic and continuous recirculation of liquid spray in a controlled manner at rates that are multiples of the liquid throughput rate, and is capable of operation at high gas velocities and low pressure drop.
REFERENCES:
patent: 3616604 (1971-11-01), Schouw
patent: 4732585 (1988-03-01), Lerner
Nozick Bernard
Williams Olin E.
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