asteroza + brine   11

Direct electrosynthesis of sodium hydroxide and hydrochloric acid from brine streams | Nature Catalysis
recycling output brine from desalination plants to make sodium hydroxide in bulk. Apparently desal plants normally have to buy it to adjust input salinities, so producing it's own makes some sense...
sodium  hydroxide  direct  electrosynthesis  desalination  plant  seawater  brine  effluent 
february 2019 by asteroza
Projekt: brine4power
Using active polymer electrolytes in a brine for a massive redox flow battery using former salt caverns as reservoirs
active  polymer  electrolyte  brine  redox  flow  battery  energy  storage  underground  salt  cavern  reservoir  germany 
july 2017 by asteroza
Saltworks Technologies | Desalination
Using assorted tricks for efficiency, such as a side evaporator using waste heat or low temp solar thermal to provide hypersaline brine for the main process, and various ion barriers to deprive the hypersaline brine of specific ions for specific flows, then reversing the ion barrier types (which causes the deprived brine to reacquire the ions from the main input seawater, which desalinates it), these guys claim lower power consumption (well, electric at least)
Saltworks  thermo-ionic  seawater  desalination  waste  heat  solar  thermal  evaporator  hypersaline  brine  Water  green  Delicious 
june 2010 by asteroza
ScienceDirect - Desalination : Extraction of strategic materials from the concentrated brine rejected by integrated nuclear desalination systems
Research into nuclear desalination reject brine mineral recovery process chains has interesting implications for other scenarios where you have lots of high mineral content brines that have commercial or strategic value
nuclear  seawater  desalination  concentrated  brine  mineral  extraction  harvesting  recovery  process  research  Delicious 
may 2010 by asteroza
Drinking Water From Air Humidity
Unlike traditional dew collectors, this does not require a thermal gradient or a low side temperature below the dewpoint, so this can be used in really hot places provided you can provide the electricity for the vacuum pump for the evaporator, the brine lift pump, and ancillary equipment
Fraunhofer  hygroscopic  brine  vacuum  Water  distillation  humidity  recovery  renewable  air  mining  moisture  absorption  green  utility  solar  thermal  evaporation  evaporator  Dune  technology  Delicious 
june 2009 by asteroza

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