Treatment of liquid

Details Treatment of liquid Treatment of liquid

1997-07-17

1999-01-12

Smith, Duane S.

Gas separation: processes

Liquid contacting

Surfactant or wetting agent

95241, 95263, B01D 1904

Patent

active

058580697

ABSTRACT:
There is described an improvement in a process of dispersing/dissolving a gas in a body of aqueous liquid by dispersing/dissolving the gas in a stream of the liquid and introducing the stream into the body of liquid comprising introducing a quantity of non-ionic surfactant, anionic surfactant or mixtures thereof into the liquid thereby inhibiting coalescence of gas bubbles and enhancing dispersion/dissolution.

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patent: 4613347 (1986-09-01), Ranchert et al.
patent: 4720290 (1988-01-01), McCoy
patent: 5039319 (1991-08-01), Glass et al.
patent: 5279963 (1994-01-01), Hobby
patent: 5378264 (1995-01-01), Wei et al.
patent: 5423901 (1995-06-01), Mendoza
patent: 5558768 (1996-09-01), Ikura et al.
patent: 5683587 (1997-11-01), Ferrara et al.
"Oxygen Transfer in Activated Sludge Basins of Sewage Treatment Plants", H. H. Daucher, Ger. Chem. Eng., vol. 1, pp. 282-289 (1978).

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