Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy
Abstract
This disclosure provides systems, methods, and apparatus related to water desalination. In one aspect, a method includes generating a diluted draw solution using forward osmosis. Wastewater is on a first side of an osmotic membrane and a draw solution is on a second side of the osmotic membrane. The draw solution comprises a mixture of water and an ionic liquid. Water in the wastewater diffuses across the osmotic membrane to the draw solution to form the diluted draw solution. The diluted draw solution is heated using a photonic heater to a temperature above a lower critical solution temperature (LCST) of the ionic liquid to phase separate the diluted draw solution into the ionic liquid and treated water.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 2293992
- Patent Number(s):
- 11845682
- Application Number:
- 17/370,379
- Assignee:
- The Regents of the University of California (Oakland, CA)
- DOE Contract Number:
- AC02-05CH11231
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 07/08/2021
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Kostecki, Robert, Prasher, Ravi S., Menon, Akanksha K., Haddad, Andrew Z., and Urban, Jeffrey J. Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy. United States: N. p., 2023.
Web.
Kostecki, Robert, Prasher, Ravi S., Menon, Akanksha K., Haddad, Andrew Z., & Urban, Jeffrey J. Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy. United States.
Kostecki, Robert, Prasher, Ravi S., Menon, Akanksha K., Haddad, Andrew Z., and Urban, Jeffrey J. Tue .
"Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy". United States. https://www.osti.gov/servlets/purl/2293992.
@article{osti_2293992,
title = {Systems and methods for water desalination using thermo-responsive ionic liquids regenerated by solar energy},
author = {Kostecki, Robert and Prasher, Ravi S. and Menon, Akanksha K. and Haddad, Andrew Z. and Urban, Jeffrey J.},
abstractNote = {This disclosure provides systems, methods, and apparatus related to water desalination. In one aspect, a method includes generating a diluted draw solution using forward osmosis. Wastewater is on a first side of an osmotic membrane and a draw solution is on a second side of the osmotic membrane. The draw solution comprises a mixture of water and an ionic liquid. Water in the wastewater diffuses across the osmotic membrane to the draw solution to form the diluted draw solution. The diluted draw solution is heated using a photonic heater to a temperature above a lower critical solution temperature (LCST) of the ionic liquid to phase separate the diluted draw solution into the ionic liquid and treated water.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 19 00:00:00 EST 2023},
month = {Tue Dec 19 00:00:00 EST 2023}
}
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