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
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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
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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
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Inventor(s): Benjamin Hsiao
Keywords(s):
Category(s): Technology Classifications > Environment, Technology Classifications > Nanotechnology, Technology Classifications > COVID, Campus > Stony Brook University
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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
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Inventor(s): Dufei Fang, Benjamin Hsiao
Keywords(s): Technologies
Category(s): Campus > Stony Brook University, Technology Classifications > Environment, Technology Classifications > Material and Composites
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Nanostructured Fibrous Membranes for Efficient Membrane Distillation
Nano-fibrous mats with tunable pore sizes and interconnected pores for integrated liquid and vapor phase membrane transition Background: Membrane distillation is a separation process in which separation occurs due to phase change across a barrier formed by hydrophobic membrane for liquid phase, allowing the vapor phase to pass through the pores....
Published: 11/22/2023
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Inventor(s): Benjamin Chu, Benjamin Hsiao
Keywords(s): surface modifications, switching of hydrophobicity to increase throughput, Technologies, ultra-thin nanofibers, vapor-liquid phase transitions on molecular/nano scales
Category(s): Campus > Stony Brook University, Technology Classifications > Nanotechnology
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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
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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
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Highly Porous Fibrous Network Materials for Gas Filtration
A nanofibrous gas filtration membrane with tunable pore size and low pressure drop ideal for filtering fumes, viruses and particulate matter Background: Filtration is used to separate one substance from another by entrapment within or on a filter medium. Air filtration can be important in both industrial and personal applications, especially as pollution...
Published: 11/22/2023
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Inventor(s): Benjamin Chu, Benjamin Hsiao, Hongyang Ma
Keywords(s): 3-dimantional network structure, air filtration, Cellulose nanofibers, chemically cross-linking, gas filtration, membrane, polysaccharide nanofibers, Technologies
Category(s): Campus > Stony Brook University, Technology Classifications > Electronics and Electronic Materials, Technology Classifications > Material and Composites, Technology Classifications > Research Tools and Reagents
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Porous Graphene Based Composite Membranes for Nanofiltration, Desalination and Pervaporation
An ultra-thin barrier from a single atomic layer of graphene-based materials with adjustable pore size Background: For membrane separation technology, preparing a very thin barrier layer with high selectivity, high throughput, low fouling, and long lasting properties forms the ultimate set of goals, which the widely used polymeric materials...
Published: 7/6/2023
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Inventor(s): Benjamin Chu, Benjamin Hsiao, Hongyang Ma, Zhe Wang
Keywords(s): chemically cross-linking, desalination, electrospun scaffold, membrane, nanofiltration, pervaporation, Porous graphene oxide, Technologies, water channels
Category(s): Campus > Stony Brook University, Technology Classifications > Education and Training, Technology Classifications > Drug Delivery, Technology Classifications > Medical Devices
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Elastic Membrane-based Membrane Bioreactor (MBR) with High-Efficiency for Fouling Control
A flat sheet elastic microfiltration membrane that improves fouling removal in bioreactors without the use of harsh chemicals Background: Membrane bioreactors are designed to remove contaminants from wastewater. This wastewater can come from residences, businesses, industries, and runoff water from rainfall and/or flooding. A membrane bioreactor...
Published: 11/22/2023
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Inventor(s): Benjamin Chu, Ying Su, Benjamin Hsiao
Keywords(s): Backwash, Elastic membrane, Flat sheet, Fouling control, Hydrophilic, Membrane Bioreactor (MBR), Microfiltration, Technologies
Category(s): Campus > Stony Brook University, Technology Classifications > Medical Devices, Technology Classifications > Research Tools and Reagents
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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...
Published: 3/16/2023
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Inventor(s): Benjamin Hsiao, Sunil Sharma, Priyanka Sharma, Ken Johnson
Keywords(s): Technologies
Category(s): Campus > Stony Brook University, Technology Classifications > Environment, Technology Classifications > Nanotechnology
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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: 7/25/2023
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Inventor(s): Benjamin Hsiao, Sunil Sharma, Priyanka Sharma
Keywords(s): Technologies
Category(s): Campus > Stony Brook University, Technology Classifications > Environment, Technology Classifications > Nanotechnology
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