Process for reducing residual hydrogen fluoride gases in a fluor

Details Process for reducing residual hydrogen fluoride gases in a fluor Process for reducing residual hydrogen fluoride gases in a fluor

1999-05-14

2000-04-04

Griffin, Steven P.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

95151, 427230, 427237, C01B 719, B01D 5314, B05D 722

Patent

active

06045766&

ABSTRACT:
The invention relates to a process for reducing the residual hydrogen fluoride gases in a fluorinated plastic tank, in particular in a plastic tank for a motor vehicle, in which firstly the space within the tank is subjected to a fluorination step and then, in at least one gas flushing process, the reaction products of the fluorination step are removed from the plastic tank. In a process in which the undesired reaction product hydrogen fluoride is completely eliminated and which is suitable for efficient large-scale production, after the gas flushing process, a neutralization step is carried out to bind residual fluorination gases on the inner layers of the plastic tank.

REFERENCES:
patent: 4994308 (1991-02-01), Tarancon
Merriam-Webster's Collegiate Dictionary, 1999, p. 1134.
VDI-Verlag GmbH, "Sperrschicht-bildung bei Kunststoff-Hohlkorpern," pp. 117-130 (1986).

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