Title:
UTILITY SCALE OSMOTIC GRID STORAGE
Document Type and Number:
Japanese Patent JP2015135107
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide systems and methods for the storage of potential energy that may be readily converted to electrical power delivered to a customer or grid distribution.SOLUTION: A pressure retarded osmosis process may comprise increasing a volume of at least a portion of the pressurized concentrated solution. Increasing the volume may comprise introducing at least a portion of the dilute solution to the pressurized concentrated solution by means of membrane flux. Increasing the volume may also comprise generating hydraulic pressure using a semi-permeable membrane on the basis of the osmotic pressure difference between the concentrated solution and the dilute solution. The pressure retarded osmosis process may further comprise decreasing the pressure of at least a portion of the volume of the pressurized solution to generate electrical power. Decreasing the pressure may comprise flowing the pressurized solution through a turbine. The method may further comprise using a turbine in conjunction with an electric generator to produce electrical power.
Inventors:
ROBERT L MCGINNIS
AARON MANDELL
AARON MANDELL
Application Number:
JP2014244652A
Publication Date:
July 27, 2015
Filing Date:
December 03, 2014
Export Citation:
Assignee:
OASYS WATER INC
International Classes:
F03B17/06; B01D61/00; B01D61/02; B01D61/36; B01D61/42; B01D61/44; B01D61/58; F03G7/00; H02J3/38
Domestic Patent References:
| JPH0957258A | 1997-03-04 | |||
| JPH0191077U | 1989-06-15 | |||
| JP2007533884A | 2007-11-22 | |||
| JP2003176775A | 2003-06-27 | |||
| JPS5177741A | 1976-07-06 | |||
| JP2004522046A | 2004-07-22 |
Foreign References:
| WO2008060435A2 | 2008-05-22 |
Attorney, Agent or Firm:
Yusuke Hiraki
Satoshi Fujita
Eiichi Arai
Natsuo Tanaka
Satoshi Fujita
Eiichi Arai
Natsuo Tanaka