Method for treating fluid liquid containing a volatile fraction

Details Method for treating fluid liquid containing a volatile fraction Method for treating fluid liquid containing a volatile fraction

C - Chemistry, Metallurgy

02

F

C02F 9/00 (2006.01) C02F 1/16 (2006.01)

Patent

CA 2330495

The invention concerns a method for treating at least one liquid fluid (23) comprising a high water content, and including a volatile fraction and a heavy fraction, in order to separate said two fractions. Said method consists in burning at least one gas fluid (2), recuperating the heat released by said combustion for subsequently heating the liquid fluid. The heated liquid fluid is pressurised and then expanded so as to separate the volatile fraction from the heavy fraction. The volatile fraction is then burnt with the gas fluid. The heavy fraction is extracted from the process to be subsequently treated. The invention also concerns an installation for implementing the treatment method.

L'invention concerne un procédé de traitement d'au moins un fluide liquide (23) présentant une forte teneur en eau, et comprenant une fraction volatile et une fraction lourde, en vue de séparer ces deux fractions. Ce procédé consiste à brûler au moins un fluide gazeux (2), à récupérer la chaleur dégagée par cette combustion pour chauffer ensuite le fluide liquide. Le fluide liquide chauffé est mis sous pression puis détendu de façon à séparer la fraction volatile et la fraction lourde. La fraction volatile est ensuite brûlée avec le fluide gazeux. La fraction lourde est extraite du procédé pour subir un traitement ultérieur. L'invention se rapporte également à une installation destinée à mettre en oeuvre le procédé de traitement.

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