Search Results - water

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Novel Sample Pre-treatment Method for Improved Isotope Ratio Infrared Spectroscopy Measurement Princeton Docket # 16-3212-1Researchers at Princeton University, Department of Civil & Environmental Engineering, have developed a method to reduce spectral interference of organic contaminants in isotope ratio infrared spectroscopy (IRIS) through the use of solid phase extraction (SPE) technique.IRIS is used for the stable hydrogen and oxygen isotope... Published: 3/6/2018   |   Inventor(s): Elliot Chang, Kelly Caylor, Adam Wolf Keywords(s): earth science, gas sensing, water Category(s): Civil/Environmental Engineering

Metal reduction and degradation of organic contaminants via ammonium oxidation under iron reduction for water remediation Metal reduction and degradation of organic contaminants via ammonium oxidation under iron reduction for water remediationPrinceton Docket # 15-3080Researchers in the Department of Civil and Environmental Engineering at Princeton University have cultured Acidimicrobiaceae bacterium A6 (ATCC, PTA-122488) to investigate the process of ammonium oxidation... Published: 3/15/2018   |   Inventor(s): Peter Jaffe, Shan Huang, Emily Gilson Keywords(s): civil engineering, earth science, metal reduction, wastewater management, water Category(s): Civil/Environmental Engineering

Sloshing Reduction during Liquid Transport Princeton Docket # 15-3079-1Researchers at Princeton University, Department of mechanical and aerospace engineering, have developed a method to damp the oscillations from sloshing during liquid transport.Sloshing dynamics lead to challenging technical constraints in various applications. For transport of oil and liquefied gas, sloshing can generate... Published: 3/15/2018   |   Inventor(s): Alban Sauret, Francois Boulogne, Jean Cappello, Emilie Dressaire, Howard Stone Keywords(s): water Category(s): Mechanical

Nanoparticulate Apatite-Coated-Calcite/Limestone Filter Materials for Removing Contaminants From Contaminated Water Princeton Docket # 14-3027Elevated levels of fluoride in groundwaters of granitic and basaltic terrains pose a major environmental problem and are affecting millions of people all over the world. Everyday many people, especially in the developing world, are exposed to elevated levels of fluoride, which has been found to be well above the World Health... Published: 3/15/2018   |   Inventor(s): Satish Myneni, Peter Jaffe Keywords(s): Chemistry, civil engineering, earth science, green tech, polymer chemistry, wastewater management, water Category(s): Ceramics/Material Sciences

An Efficient, Green Process for Cyanide Decontamination in Water An Efficient, Green Process for Cyanide Decontamination in Water Princeton Docket # 14-2955 This innovation is an improvement to a previously patent pending process for the catalytic generation of chlorine dioxide, Princeton docket # 11-2630/2714, US Patent Publication 2013-0209573, “An Efficient, Catalytic and Scalable Method to Produce Chlorine... Published: 3/15/2018   |   Inventor(s): John Groves, Thomas Umile, Christina Chang Keywords(s): catalyst, Chemistry, energy, green tech, wastewater management, water Category(s): Chemistry

Droplet Adhesion for Breaking Oil-In-Water Emulsion and Phase Separation Droplet Adhesion for Breaking an Oil-in-Water Emulsion and Phase Separation Princeton Docket # 14-2952 Present microfluidic technologies to break emulsions or to separate phases in the emulsions include electric-field enhanced coalescence, passive-controlled coalescence, and a phase separator with embedded porous membrane. Researchers in the Department... Published: 3/15/2018   |   Inventor(s): Howard Stone, Jiang Li, Haosheng Chen, Enkai Dong Keywords(s): Chemistry, water Category(s): Chemistry

A new energy efficient method for the removal of nitrogen for wastewater management and engineered wetlands A new energy efficient method for the removal of nitrogen for wastewater management and engineered wetlands Princeton Docket # 13-2918 Researchers in the Department of Civil and Environmental Engineering, Princeton University, have identified a new microorganism that is responsible for the Feammox process. Virtually all wastewater treatment plants... Published: 3/15/2018   |   Inventor(s): Peter Jaffe, Shan Huang Keywords(s): energy, wastewater management, water Category(s): Biotechnology/Pharmaceuticals

A Novel Design of Advanced Liquid Centrifuge Using Differentially Rotating Cylinders and Optimized Boundary Conditions Advanced Liquid Centrifuge Using Differentially Rotating Cylinders Princeton Docket # 12-2804 Researchers in the Department of Astrophysical Sciences and Princeton Plasma Physics Laboratory, Princeton University have designed an advanced liquid centrifuge using differentially rotating cylinders and optimized boundary conditions. The unique design of... Published: 3/15/2018   |   Inventor(s): Hantao Ji, Adam Cohen, Philip Efthimion, Eric Edlund Keywords(s): Chemistry, green tech, Opto-Electronics/ELE ENG, process optimization, wastewater management, water Category(s): Opto-Electronics/ Electrical Engineering

Critical Drop Sizes for Manipulating Mist with Flexible Fiber Arrays Critical Drop Sizes for Manipulating Mist with Flexible Fiber Arrays Princeton Docket # 12-2738 Researchers at Princeton University have developed a method to predict an optimum drop size for retention of liquids in a fibrous material. The invention can be applied to choose designs used to create drops to spread on or retain in a given fibrous material... Published: 3/15/2018   |   Inventor(s): Camille Duprat, Suzie Protiere, Howard Stone Keywords(s): Chemistry, earth science, green tech, water Category(s): Chemistry, Ceramics/Material Sciences