Process for producing ultra-pure water and process for using sai

Details Process for producing ultra-pure water and process for using sai Process for producing ultra-pure water and process for using sai

1988-03-24

1989-11-07

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

55158, B01D 1300

Patent

active

048790419

ABSTRACT:
The present invention relates to a process for producing ultra-pure water, an apparatus for producing said ultra-pure water and a process for using the ultra-pure water produced according to said process. More particularly, the present invention relates to a process for producing ultra-pure water which comprises boiling a raw water to vaporize off the volatile components from the raw water, subsequently generating steam from the water, contacting the steam with a hydrophobic, porous, gas-permeable and liquid-impermeable membrane to make the steam permeate the membrane, and then condensing the steam, as well as to an apparatus for producing said ultra-pure water and a process for using said ultra-pure water.

REFERENCES:
patent: 4698153 (1987-10-01), Matsuzaki et al.
patent: 4725359 (1988-02-01), Ray

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