Water Resources

Filter Total Items: 187
Date published: March 20, 2018
Status: Completed

Selenate Removal from Waste Water, US Patents 5,271,831 and 5,009,786

A method and apparatus for removing selenate from waste water through the use of selenate respiring microorganisms under substantially anoxic conditions is described. The method includes a first zone for removing nitrate by assimilation into biomass.  (Full details available at the U.S. Patent and Trademark Office website for patents ...

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Method for Enhancing Oxidation of Methyl Bromide With Strain IMB-1 (ATCC 202197) During Agricultural Fumigations, US Patent 6,013,254

A method is provided for enhancing oxidation of methyl bromide during agricultural fumigations of fields using a fumigant containing methyl bromide. The method comprises adding a methylotrophic bacterium to the soil in an amount effective to provide bacterial oxidation of the methyl bromide. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Crystallization of Powders Having Uniform Particle Sizes by Ostwald Ripening at Large Levels of Supersaturation, US Patent 6,379,459

A method is provided for the manufacture of mineral power crystals having a uniform mean size. The method includes forming a solution which is highly supersaturated with respect to the crystals. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Aquifer Remediation Barrier for Removal of Inorganic Contaminants, US Patent 6,428,695

A permeable barrier for decontaminating groundwater having two distinct components for increasing contaminant removal. Preferably, the barrier material is a mixture or distinct layers of bone-char phosphate material and iron oxide pellets. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Borehole Testing System, US Patent 6,761,062

A self-contained, transportable system for conducting any of hydrologic tests or water sampling techniques without the need for retooling or readjusting the system. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Deep Aquifer Remediation System, US Patent 6,458,271

A groundwater decontamination system includes a decontamination unit adapted to be lowered down through a non-pumping well into an aquifer containing contaminated water. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

A Bioreactor for the Oxidation of the Fumigant Methyl Bromide, US Patent 6,916,446

Methyl halide contaminants are oxidized in a reaction chamber containing a methylotrophic bacterium through direct oxidation of the methyl halide contaminant. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Sorbant Sequestration and Removal of Toxic Metal Ions, US Patent 6,896,813

A matrix for water decontamination has an amended sorbant cellulose substrate with an iron (ferric) oxyhydroxide component and a component to sorb dissolved organic compounds retained by the cellulose substrate. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Small-Scale, Hydrogen-Oxidizing Denitrifying Bioreactor, US Patent 6,863,815

A method for treating nitrate-contaminated water comprising treating said water with hydrogen-oxidizing denitrifying bacteria in the presence of hydrogen. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 20, 2018
Status: Completed

Solar Distillation Loop, US Patent 7,108,769

A solar distillation loop apparatus includes a first pipe section disposed on a ground surface, the first pipe section including a substantially straight portion and elevated portions on each end of the substantially straight portion, an impure water inflow coupling  and an impure water outflow coupling. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 19, 2018
Status: Completed

Measurement of Surface Areas by Polyvinylpyrrolidone Sorption, US Patent 7,264,777

A method of quantitatively determining surface area of a sample uses polyvinylpyrrolidone (PVP) dispersed in a solution containing the sample, and determining the amount of PVP that has deposited on the sample. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources
Date published: March 14, 2018
Status: Completed

Sequential, Time-Integrated Collector of Precipitation, Ground Water, and Surface Water for Analysis of Isotopes; US Patent 7,687,028

Patent for a sequential, time-integrated collector having an electronic controller that actuates either of two electrically-actuated valves, each connected to a water reservoir. (Full details provided by the U.S. Patent and Trademark Office website.)

Attribution: Water Resources