Anti-aging additive composition for a quench oil circuit in an e

Details Anti-aging additive composition for a quench oil circuit in an e Anti-aging additive composition for a quench oil circuit in an e

1998-09-30

2000-08-01

Yildirim, Bekir L.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

208 48AA, 585648, 585650, C07C 720

Patent

active

060961880

ABSTRACT:
An anti-aging additive composition and an operating method to control the quench oil viscosity in an ethylene production plant are described, capable of raising the yield of said plant through a control of the quench oil viscosity related to a significant increase in the operation temperature of the plant fractionating column, said composition comprising an effective quantity with respect to the aging of said oil of at least one component selected in the group constituted by alkylated phenols, alkylated biphenols, diphenols, alkylated diphenols, aromatic amines and nitroxides, precursors and mixtures thereof.

REFERENCES:
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patent: 4929778 (1990-05-01), Roling
patent: 5824829 (1998-10-01), Maeda et al.
XP-002090468, Sheremeta et al., Chemical Abstract, vol. 101, No. 10, (1984).
XP-002090470, Database WPI, Derwent Publications Ltd., London, GB.
XP-0020904741, Database WPI, Derwent Publications Ltd., London, GB.
XP-002090472, Database WPI, Derwent Publications Ltd., London GB.
XP-002090469, Ionescu et al., Chemical Abstracts, vol. 88, No. 24, (1978).

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