Method for preparing membranes with adjustable separation performance

Peterson, Eric S; Orme, Christopher J; Stone, Mark L

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Title: Method for preparing membranes with adjustable separation performance

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Abstract

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:

Peterson, Eric S ^[1]; Orme, Christopher J ^[2]; Stone, Mark L ^[1]

Idaho Falls, ID
Shelley, ID

Issue Date:: Sun Jan 01 00:00:00 EST 1995

Research Org.:: EG & G IDAHO INC

OSTI Identifier:: 869731

Patent Number(s):: 5385672

Assignee:: EG&G Idaho, Inc. (Idaho Falls, ID)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration
B01D61/362 - {Pervaporation}
B01D67/0088 - {Physical treatment with compounds, e.g. swelling, coating or impregnation
B01D69/02 - characterised by their properties

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DOE Contract Number:: AC07-76ID01570

Resource Type:: Patent

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/

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                    Peterson, Eric S, Orme, Christopher J, and Stone, Mark L. Method for preparing membranes with adjustable separation performance.  United States: N. p., 1995. 
        Web.

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                    Peterson, Eric S, Orme, Christopher J, & Stone, Mark L. Method for preparing membranes with adjustable separation performance.  United States.

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                    Peterson, Eric S, Orme, Christopher J, and Stone, Mark L. Sun .  
        "Method for preparing membranes with adjustable separation performance".  United States.  https://www.osti.gov/servlets/purl/869731.

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@article{osti_869731,

  title        = {Method for preparing membranes with adjustable separation performance},

  author       = {Peterson, Eric S and Orme, Christopher J and Stone, Mark L},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sun Jan 01 00:00:00 EST 1995},

  month        = {Sun Jan 01 00:00:00 EST 1995}

}

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Method for preparing membranes with adjustable separation performance

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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. 2 figs.
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