Oil gas separation

Details Oil gas separation Oil gas separation

1984-09-28

1985-12-10

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

252321, 252358, B01D 4708

Patent

active

045577374

ABSTRACT:
Polysiloxanes of specified molecular weight and molecular weight distribution are effective anti-foam agents for reducing foaming in crude oil/gas separators. They are particularly useful in breaking microgas dispersions.
The polysiloxanes, preferably polydimethyl siloxane, contain not more than 10% by weight of components of molecular weight 50,000 and lower, at least 15% by weight of components of molecular weight 200,000 and higher and not more than 6% by weight of components of molecular weight 370,000 and higher, molecular weights being expressed as polystyrene equivalent molecular weights.

REFERENCES:
patent: 3660305 (1972-05-01), Michalski
patent: 3700587 (1972-10-01), Hyde
patent: 3887487 (1975-06-01), Camp et al.
patent: 4082690 (1978-04-01), Farminer
patent: 4122247 (1978-10-01), Evans
patent: 4274977 (1981-06-01), Koerner et al.

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