Distillation: processes – separatory – Distilling to separate or remove only water – From organic compound
Patent
1993-11-19
1996-03-26
Manoharan, Virginia
Distillation: processes, separatory
Distilling to separate or remove only water
From organic compound
95187, 203 68, 203 69, 203 73, 203 80, 203DIG9, 568868, 568916, 159DIG33, 159 471, B01D 334
Patent
active
055017762
ABSTRACT:
For the regeneration of a liquid desiccant, a stripping agent is used which is liquid at ambient temperature and pressure, and forms a heteroazeotrope with water, along with the following steps: (a) distillation of the water-laden liquid desiccant to form vapor and partially regenerated liquid desiccant; (b) reboil partially regenerated liquid desiccant; (c) stripping of partially regenerated liquid desiccant during (a) and (b), using vaporized stripping agent; (d) a condensing of vapor the exiting the distillation, the condensation producing two liquid phases, one mainly water and the other mainly stripping agent; (e) heating the stripping agent-rich liquid phase exiting step (d) to generate a vapor phase which is richer in water than said liquid phase and a water-depleted liquid phase; and (f) returning the vaporized liquid phase exiting step (e) to step (c).
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Amande Jean-Claude
Chambon Bernard
Larue Joseph
Lermite Christophe
Institut Francais du Pe'trole
Manoharan Virginia
Nouvelles Applications Technologiques (NAT)
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