Apparatus and method for stripping and absorption of volatile ma

Details Apparatus and method for stripping and absorption of volatile ma Apparatus and method for stripping and absorption of volatile ma

1994-07-08

1995-11-28

Fortuna, Ana M.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210664, 210908, 210175, 210150, 2102212, 210767, 95158, 95159, 96155, 261113, B01D 1100

Patent

active

054704782

ABSTRACT:
The invention pertains to the removal of volatile organic compounds (VOC), generally speaking from industrial fluids, but with special emphasis on water. The dominant feature of the invention is to resort to physical processes such as stripping, absorption and flash evaporation. so that no environmentally undesirable by-products will be formed. Basically the process achieves in one single tower structure air stripping of the contaminated fluid (water) and subsequent removal of the contaminants from the spent stripping air by controlled and special contacting of the contaminated air with certain low volatility solvents in film tray contacting equipment, which can be used with special advantages to permit removal of the VOC from the spent air, as well as for the recovery of the VOC from the VOC-rich solvents.

REFERENCES:
patent: 3933953 (1976-01-01), Leva
patent: 3979192 (1976-09-01), Hibbs et al.
patent: 4048007 (1977-09-01), Valle-Riestra
patent: 4060591 (1977-11-01), Garber et al.
patent: 4876037 (1989-10-01), Leva
patent: 4909968 (1990-03-01), Leva
patent: 5000883 (1991-03-01), Leva
patent: 5106507 (1992-04-01), VonKluck et al.

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