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Title: Method for preparing membranes with adjustable separation performance

Methods for adjustable separation of solutes and solvents involve the combination of the use of a maximally swollen membrane and subsequent vacuum depressurization exerted on the permeate side of that membrane. By adjusting the extent of depressurization it is possible to separate solvent from solutes and solutes from each other. Improved control of separation parameters as well as improved flux rates characterize the present invention.
Inventors:
 [1];  [2];  [1]
  1. (Idaho Falls, ID)
  2. (Shelley, ID)
Issue Date:
OSTI Identifier:
869731
Assignee:
EG&G Idaho, Inc. (Idaho Falls, ID) INEEL
Patent Number(s):
US 5385672
Contract Number:
AC07-76ID01570
Research Org:
EG & G IDAHO INC
Country of Publication:
United States
Language:
English
Subject:
method; preparing; membranes; adjustable; separation; performance; methods; solutes; solvents; involve; combination; maximally; swollen; membrane; subsequent; vacuum; depressurization; exerted; permeate; adjusting; extent; separate; solvent; improved; control; parameters; flux; rates; characterize; separation performance; flux rate; swollen membrane; adjustable separation; /210/