Search Results - environment

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Novel Process for Measuring Nitrate/Nitrite and Ammonium in Wastewater Simultaneously
Using a strong alkaline solution and a gas-permeable membrane to measure the concentration of ammonium/ammonia/nitrite/nitrate in wastewater Background: Due to the growing problems with the conventional processes for treating wastewater, there has recently been a spur in the development and design of a low‑cost nitrogen sensor package that can...
Published: 10/12/2020   |   Inventor(s): Qingzhi Zhu
Keywords(s): Technologies
Category(s): Environment, Research Tools and Reagents, Sensors, Campus > Stony Brook University
Condensing Flue Gas for Sub-Ambient Evaporative Cooling and Cool Storage
An evaporator and condenser arrangement that allows indefinite heat storage times for power plants without additional refrigeration systems Background: A thermosyphon uses the latent heat of vaporization rather than a temperature gradient for heat transfer. Power plants don?t require a large body of water for cooling and consume little to no water...
Published: 8/28/2020   |   Inventor(s): Jon Longtin
Keywords(s): Air Cooled Power Plants, Cool Storage, Evaporative Cooling, Flue Gas Condensation, Power Plant Efficiency , Technologies, Thermosyphons
Category(s): Energy Conservation, Environment, Campus > Stony Brook University
Electrochemical Synthesis of Chloro-Chitosan
A chitosan polymer that retains its natural biocompatibility making it ideal for environmental applications such as water filtration Background: Chitosan has extensively used polysaccharide derived from deacetilization of chitin, which is the second most abundant biopolymer. Presence of primary amine, primary hydroxyl as well as secondary hydroxyl...
Published: 8/27/2020   |   Inventor(s): Gary Halada, Prashant Jha
Keywords(s): chitosan, electrochemical, functional group, polysaccharide, Technologies
Category(s): Environment, Campus > Stony Brook University
Electrode Materials for Group II Cation Based Batteries
Magnesium is more abundant than lithium and is air stable, so magnesium batteries make a promising replacement for li-ion batteries Background: Batteries are described as an alternative technology to lithium batteries which are currently in widespread use. New proposed battery technology will have significantly lower environmental impact than...
Published: 8/27/2020   |   Inventor(s): Kenneth Takeuchi, Esther Takeuchi, Amy Marschilok
Keywords(s): battery, Cathode, Electrode, group II, Technologies
Category(s): Energy Conservation, Environment, Electronics and Electronic Materials, Campus > Stony Brook University
Hydrophobic Sponges for Oil
An oil recovery sponge with a natural absorbent substrate that is reusable up to 20 times, making it ideal for responding to oil spills Background: Oil recovery systems that use a sponge to soak up the contaminated oil may be reused and then may be disposed of because they become less efficient with subsequent re-use. Technology Overview: Researchers...
Published: 8/27/2020   |   Inventor(s): Benjamin Chu, Benjamin Hsiao, Zhe Wang
Keywords(s): 3-dimensional pores, Hydrophobic porous materials, oil removal, Technologies
Category(s): Environment, Campus > Stony Brook University
Method for Preparing Chemical/Surface Modified Nanocrystalline Cellulose
Inpart-Short description Background: There is a growing interest in the development of nanocomposites consisting of organic polymers and various nanomaterials. In general, composites have been used extensively in civil infrastructure applications and their use continues to grow in the new and existing structures via retrofits, rehabilitations, and...
Published: 8/25/2020   |   Inventor(s): Alexander Orlov, Daniel Knopf, Robert Grubbs, Girish Ramakrishnan
Keywords(s): Functionalization, In flight, Nanocrystalline Cellulose, surface modifications, Technologies
Category(s): Material and Composites, Environment, Energy Conservation, Clean Energy, Campus > Stony Brook University
Hybrid Electrolytes for Group II Cation Based Batteries
A hybrid electrolyte system with Group II cation batteries that are safer and have a lower environmental impact than lithium ion batteries Background: Lithium ion batteries and lead acid batteries are used as benchmark systems. Variation in the cost of specific batteries is dependent on factors such as design, manufacturing process and number of...
Published: 8/25/2020   |   Inventor(s): Esther Takeuchi, Kenneth Takeuchi, Amy Marschilok
Keywords(s): battery, Cathode, Electrode, group II, Technologies
Category(s): Electronics and Electronic Materials, Energy Conservation, Environment, Campus > Stony Brook University
Removal Process of Negatively Charged Impurities using Metal-Cellulose Fiber Composite
Using a stable, predominantly positively charged, composite structure to separate negatively charged impurities from water Background: The process of removing negatively charged impurities such as fluoride, nitrate, nitrite, phosphate, sulfate, and other ions from water is necessary in order to effectively make cleaner water. There have been multiple...
Published: 7/7/2020   |   Inventor(s): Benjamin Hsiao, Sunil Sharma, Priyanka Sharma, Ken Johnson
Keywords(s): Technologies
Category(s): Environment, Nanotechnology, Campus > Stony Brook University
Removal of Toxic Impurities via Metal Oxide Nanocrystals and a Cellulose Substrate
Using positively charged metal oxide nanocrystals anchored to a cellulose substrate to extract negatively charged impurities from water Background: The process of removing negatively charged impurities such as fluoride, nitrate, nitrite, phosphate, sulfate, and other ions from water is necessary in order to effectively make cleaner water. There have...
Published: 7/7/2020   |   Inventor(s): Benjamin Hsiao, Sunil Sharma, Priyanka Sharma
Keywords(s): Technologies
Category(s): Environment, Nanotechnology, Campus > Stony Brook University
Removal of Nitrogen Impurities and Retrieval of Ammonium Salts from Contaminated Water
Economical, efficient, and quick process to remove nitrogen impurities and recover ammonium salts from wastewater Background: A major challenge for wastewater treatment plants is to find processes that effectively, quickly, and economically remove contaminants/impurities from waste water. This obstacle has steadily become increasingly difficult as...
Published: 7/7/2020   |   Inventor(s): Benjamin Hsiao, Priyanka Sharma, Sunil Sharma, Ken Johnson
Keywords(s):  
Category(s): Environment, Nanotechnology, Campus > Stony Brook University
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