Search Results - sustainability+%26+cleantechnologies

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Process for Recycling PVC to HDPE
Background Approximately 40 million tons of polyvinyl chloride (PVC) are produced annually, making PVC one of the most widely produced synthetic plastic polymers. Waste materials that contain PVC are extremely difficult to recycle mechanically. Thermochemical methods such as pyrolysis are also undesirable because of hydrochloric acid and chlorinated...
Published: 6/23/2023   |   Inventor(s): Konstantinos Goulas, Scott Svadlenak
Keywords(s):  
Category(s): Chemical, Chemistry, Materials Science, Sustainability & Cleantechnologies
Method of Producing Oleofurans
Technology Description This technology is a method for making oleofurans which can be derived from biomass and used as precursors for high performance oleofuran-based surfactants. This method minimizes or eliminates the use of toxic and/or expensive reagents, such as trifluoroacetic acid, and produces a small number of bi-products. This process produces...
Published: 6/23/2023   |   Inventor(s): Nicholas Gadinas, Konstantinos Goulas, Kyle Reem
Keywords(s): biorenewable surfacant, detergents, green chemistry, high performance detergents, oleofuran, sulfonate detergents
Category(s): Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies
Thermal Fan
Technology Description This thermal fan device operates, in principle, similarly to a heat pipe by utilizing the latent heats of vaporization and condensation with the corresponding phase changes to move a fluid like air. A phase change working fluid is contained within a confined volume that is exposed to the low-grade heat. The working fluid is selected...
Published: 6/8/2023   |   Inventor(s): Bahman Abbasi, Deepak Sharma
Keywords(s): air circulation, low-grade heat, thermal fan
Category(s): Engineering, Physical Science, Sustainability & Cleantechnologies, Device
In-Situ Bioremediation with Slow Release Co-metabolism Substrates
Background of Invention A variety of highly toxic contaminants of concern persist in soils and groundwater at industrial sites across the country. Treatment, if even feasible, is often very expensive and time consuming. In-situ bioremediation of multiple contaminants with slow release cometabolism allows is attractive, but faces challenges of substrate...
Published: 8/3/2023   |   Inventor(s): Mitchell Rasmussen, Lewis Semprini, Michael Hyman
Keywords(s): Bacteria, Bioremediation
Category(s): Biological Materials, Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies
Thermally Actuated Freshwater Recovery System for Fracking Wastewater
Technology Description This technology, a product of Oregon State University research, details a device for the efficient treatment of wastewater produced from hydraulic fracturing (fracking). Relying upon the properties of water azeotropes and humid gas thermodynamics, this system is capable of treating water with a wide range and high concentration...
Published: 6/8/2023   |   Inventor(s): Bahman Abbasi, Hannah O'Hern, Elnaz Nikooei, Xiang Zhang
Keywords(s): wastewater treatment
Category(s): Chemical, Device, Engineering, Physical Science, Sustainability & Cleantechnologies
High Flux Resistance Heating Rod
Technology Description This technology provides for improved simulation of nuclear reactor fuel rod pulsation for research and testing purposes. The device is a resistive heating filament capable of producing 2.5 MW/m2 of energy in a matter of tens of milliseconds with an outer diameter of less than a centimeter (0.9525 cm). This responsive heating...
Published: 5/10/2021   |   Inventor(s): Daniel LaBrier, Wade Marcum, Jim Nylander, Aaron Weiss, Salem Sharaf
Keywords(s): boiling, critical heat flux, nuclear
Category(s): Diagnostics, Device, Engineering, Physical Science, Research Tools, Sustainability & Cleantechnologies
Apparatus for Water Desalination
Technology Description This technology is a device that can utilize low-grade heat for efficient desalination with minimal fouling. It achieves zero liquid discharge through its utilization of high velocity gases and gas-solid separators to atomize highly saline water. The technology is modular, portable, and is running-cost competitive with large...
Published: 5/26/2021   |   Inventor(s): Bahman Abbasi, Mohammed Abbas Elhashimi Khalifa, Xiang Zhang, Deepak Sharma
Keywords(s): Fluidized bed, Thermocompressor, Water desalination
Category(s): Engineering, Chemical, Device, Physical Science, Sustainability & Cleantechnologies
Solution Deposition of Transparent Conductive Oxide Thin Films
Technology Description This technology is an aqueous solution deposition process for making high quality thin films of tin oxide, tin antimony oxide, and doped compositions of both. Films made by these methods are extremely smooth, highly transparent, and can be made at variable thicknesses from several nanometers up to a micron. The electrical and...
Published: 3/19/2024   |   Inventor(s): Cory Perkins, Douglas Keszler
Keywords(s): solution deposition, thin film, Transparent Conductive Oxides
Category(s): Chemical, Device, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
Pressure Pass-Through Strain Sensor
Technology Description This technology is a pressure pass-through apparatus for a distributed strain sensor assembly. It is made from readily available components configured in a novel and simple way to produce a highly reliable and very economical solution to passing optical fibers from a low-pressure environment to an elevated pressure. The apparatus...
Published: 12/23/2021   |   Inventor(s): Wade Marcum, Aaron Weiss, Warren Jones, Ann Marie Phillips, Casey Jesse, John Kennedy, Daniel LaBrier, Chad Nixon
Keywords(s): fiber optics, monitoring, non-ambient environment, optics, strain measurement
Category(s): Device, Chemical, Engineering, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
Wind turbine sensor array for monitoring avian and bat collisions v2.0
Technology Description An integrated multi-sensor detection package with event-based data collection has been developed using accelerometers, microphones, and a camera coupled with integrated signal processing. The sensors are installed directly on wind turbine blades and on-board processors wirelessly transmit data to the central controller and data...
Published: 5/10/2021   |   Inventor(s): Roberto Albertani, William Maurer, Matthew Johnston, Kyle Clocker
Keywords(s): bird deterrent, collision deterrent, Detection, environment monitoring, sensor, Sensor-based monitoring, wind turbine
Category(s): Sustainability & Cleantechnologies, Research Tools
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