skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Low-cost, light-switched, forward-osmosis desalination system

Abstract

The looming water crisis is the second largest issue facing humanity after energy. In order to meet the increasing demand for clean water, new efficient and low-cost methods of water purification must be developed. A promising method for dry regions with sea borders is the desalination of seawater. While there remain many disadvantages to current desalination techniques, such as environmental pollution and high cost, there is a strong opportunity for new technology development in this area. In this Phase I program, the development of a light-switchable, low-cost desalination system was explored. The system requires photoselective switching of water solubility. Nine new light-switchable spiropyran-based small molecule and polymeric materials were synthesized, and methods to evaluate their desalination potential were developed and utilized. Severable promising spiropyran analogues proved to be photoswitchable, but so far sufficient photoswitchablity of solubility for a commercial desalination system was not achieved. More development is required.

Authors:
 [1]
  1. Warner Babcock Institute for Green Chemistry, LLC, Wilmington, MA (United States)
Publication Date:
Research Org.:
Warner Babcock Institute for Green Chemistry, LLC, Wilmington, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1418002
Report Number(s):
DOE-WBI-17075-1
DOE Contract Number:  
SC0017075
Type / Phase:
SBIR (Phase I)
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Warner, John C. Low-cost, light-switched, forward-osmosis desalination system. United States: N. p., 2018. Web.
Warner, John C. Low-cost, light-switched, forward-osmosis desalination system. United States.
Warner, John C. Mon . "Low-cost, light-switched, forward-osmosis desalination system". United States. doi:.
@article{osti_1418002,
title = {Low-cost, light-switched, forward-osmosis desalination system},
author = {Warner, John C.},
abstractNote = {The looming water crisis is the second largest issue facing humanity after energy. In order to meet the increasing demand for clean water, new efficient and low-cost methods of water purification must be developed. A promising method for dry regions with sea borders is the desalination of seawater. While there remain many disadvantages to current desalination techniques, such as environmental pollution and high cost, there is a strong opportunity for new technology development in this area. In this Phase I program, the development of a light-switchable, low-cost desalination system was explored. The system requires photoselective switching of water solubility. Nine new light-switchable spiropyran-based small molecule and polymeric materials were synthesized, and methods to evaluate their desalination potential were developed and utilized. Severable promising spiropyran analogues proved to be photoswitchable, but so far sufficient photoswitchablity of solubility for a commercial desalination system was not achieved. More development is required.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 22 00:00:00 EST 2018},
month = {Mon Jan 22 00:00:00 EST 2018}
}

Technical Report:
This technical report may be released as soon as March 15, 2022
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that may hold this item. Keep in mind that many technical reports are not cataloged in WorldCat.

Save / Share: