Hydranautics | Date: 2016-01-29
reverse osmosis membranes and nanofiltration membranes for use in water treatment and desalination applications.
Hydranautics | Date: 2011-01-18
A filtration device having a tubular pressure vessel and a tubular filter assembly is provided. The tubular filter assembly is housed within the tubular pressure vessel and includes a filter element and a split ring seal circumscribing the filter element. The split ring seal has an annular body that includes a first end, a second end opposite the first end and slidably engaged with the first end, and an opening extending through the annular body.
Hydranautics | Date: 2013-08-21
ultrafiltration membranes, nanofiltration membranes, reverse osmosis membranes; membrane cartridges for process water or wastewater treatment and purification of aqueous streams for reuse, recovery, or minimization of waste.
Hydranautics | Date: 2012-12-27
Hydranautics | Date: 2010-08-16
A method for reducing a boron concentration in a boron-containing aqueous liquid involves administering micelle(s) for selective boron adsorption to the boron-containing aqueous liquid to produce boron-bonded micelle(s), wherein the micelle(s) comprise a reaction product of an N-substituted-glucamine and a glycidyl ether; passing the micelle-containing aqueous liquid through a membrane to separate the boron-bonded micelle(s) from the aqueous liquid; and recovering a permeate having a reduced boron concentration from the membrane. A material capable of selectively adsorbing boron from a boron-containing aqueous liquid contains at least one micelle having a hydrophobic tail and a head comprising a hydrophilic functional group having formula (I): R