Inhibiting popcorn polymer formation

Details Inhibiting popcorn polymer formation Inhibiting popcorn polymer formation

1989-04-28

1990-07-17

Davis, Curtis R.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

585 3, 585 4, 585 5, B08B 900

Patent

active

049419269

ABSTRACT:
The formation of popcorn polymer on the inner surface of an olefin production apparatus is inhibited by treating the surface with a surface treating agent comprising an organic acid and/or salts thereof and at least one member selected from the group consisting of a corrosion-resistant agent, a reducing agent and a penetrant, and balance being water.

REFERENCES:
patent: 3371124 (1968-02-01), Albert et al.
patent: 3432563 (1969-03-01), Metzler
patent: 3526673 (1970-09-01), Albert
patent: 4556476 (1985-12-01), Miller et al.
patent: 4654451 (1987-03-01), Miller et al.
patent: 4863524 (1989-09-01), Komebashiri et al.
Georgieff, K. K., "Rapid Build-up of a Pyrophoric Polymer in Ethylene Plant Deethanizer and Depropanizer Columns," 62, The Canadian Journal of Chemical Engineering, June 1984 at 367.

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