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Development of All-Cellulose Ultrafiltration Membranes for High-performance Wastewater Treatment

Low cost, sustainable, and water‑resistant all‑cellulose membrane for wastewater treatment with superior filtration performance.RSS.HDBackground> Background: <Previous studies on the membranes for wastewater treatment have predominantly involved the use of synthetic polymers such as polyvinylidene fluoride (PVDF), polyethersulfone (PES), polysulfone...

Published: 10/2/2023 | Inventor(s): Mengying Yang, Benjamin Hsiao

Keywords(s):

Category(s): Technology Classifications > Environment, Technology Classifications > Material and Composites, Technology Classifications > Nanotechnology, Campus > Stony Brook University

Using Cellulose Nanofiber (CNF) to Create Face Coverings with N95 Performance

Uniformly coating a CNF layer to a fabric layer via air pressure in order to block 95% of aerosol particles that are at least 0.3 micronsRSS.HDBackground> Background: <Given the recent current events revolving around the COVID‑19 pandemic and CDC guidelines, face coverings have become a necessity in public settings. Due to the increasing...

Published: 10/30/2023 | Inventor(s): Benjamin Hsiao

Keywords(s):

Category(s): Technology Classifications > Environment, Technology Classifications > Nanotechnology, Technology Classifications > COVID, Campus > Stony Brook University

Novel Fiber Membrane Distillation Process

Using hydrophobic hollow fibers to make air gap membrane distillation processes more cost-effective, efficient, and compact. Background: < Membrane distillation (MD) is a water distillation method that involves the use of hydrophobic membranes and their properties. MD allows for water vapor to permeate through a membrane but prevents...

Published: 5/24/2023 | Inventor(s): Dufei Fang, Benjamin Hsiao

Keywords(s): Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Environment, Technology Classifications > Material and Composites

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: 3/28/2023 | Inventor(s): Qingzhi Zhu

Keywords(s): TAF, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Environment, Technology Classifications > Research Tools and Reagents, Technology Classifications > Sensors

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: 11/22/2023 | Inventor(s): Jon Longtin

Keywords(s): Air Cooled Power Plants, Cool Storage, Evaporative Cooling, Flue Gas Condensation, Power Plant Efficiency , Technologies, Thermosyphons

Category(s): Campus > Stony Brook University, Technology Classifications > Energy Conservation, Technology Classifications > Environment

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: 11/22/2023 | Inventor(s): Gary Halada, Prashant Jha

Keywords(s): chitosan, electrochemical, functional group, polysaccharide, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Environment

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: 11/22/2023 | Inventor(s): Kenneth Takeuchi, Esther Takeuchi, Amy Marschilok

Keywords(s): battery, Cathode, Electrode, group II, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Energy Conservation, Technology Classifications > Electronics and Electronic Materials, Technology Classifications > Environment

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: 11/22/2023 | Inventor(s): Benjamin Chu, Benjamin Hsiao, Zhe Wang

Keywords(s): 3-dimensional pores, Hydrophobic porous materials, oil removal, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Environment

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: 11/22/2023 | Inventor(s): Alexander Orlov, Daniel Knopf, Robert Grubbs, Girish Ramakrishnan

Keywords(s): Functionalization, In flight, Nanocrystalline Cellulose, surface modifications, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Clean Energy, Technology Classifications > Environment, Technology Classifications > Energy Conservation, Technology Classifications > Material and Composites

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: 11/22/2023 | Inventor(s): Esther Takeuchi, Kenneth Takeuchi, Amy Marschilok

Keywords(s): battery, Cathode, Electrode, group II, Technologies

Category(s): Campus > Stony Brook University, Technology Classifications > Electronics and Electronic Materials, Technology Classifications > Energy Conservation, Technology Classifications > Environment

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