Search Results - environmental+remediation%2fwastewater+treatment

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Photoelectrocatalytic-Enabled Flexible Polymeric Optoelectrodes
Background Photoelectrocatalytic processes (PECs) combine photocatalysis and electrochemical principles to enhance charge carrier generation and stability within nanomaterials (NMs). Nano-enabled PECs can be used for water purification or hydrogen production applications. Current PEC designs face challenges due to low energy efficiencies, because most...
Published: 12/13/2024   |   Inventor(s): Paul Westerhoff, Sergi Garcia-Segura, Tzu-Heng Wang
Keywords(s):  
Category(s): Physical Science, Advanced Materials/Nanotechnology, Energy & Power, Environmental Remediation/Wastewater Treatment
Zwitterion Functionalized Copolymers for Reverse Osmosis Brine Desalination using Pervaporation
Background Access to clean water resources has accelerated research in the direction of membrane-based separation processes, like reverse osmosis (RO), that are often perplexed by acute saline feeds and pervasive membrane fouling. The properties of the polymeric membranes deployed in these operations play a critical role in understanding their degradation...
Published: 12/10/2024   |   Inventor(s): Husain Mithaiwala, Matthew Green
Keywords(s):  
Category(s): Environmental Remediation/Wastewater Treatment, Physical Science, Advanced Materials/Nanotechnology
Coaxial Layered Fiber Spinning for Wind Turbine Blade Recycling
Background Plastic waste presents an acute environmental challenge to nearly all freshwater and marine ecosystems. The long degradation time of plastic requires effective methods of disposal to avoid adding additional plastic waste to aquatic environments. The end-of-life waste from wind turbine blades (WTBs) is also a pressing issue, as WTB waste...
Published: 11/7/2024   |   Inventor(s): Varunkumar Thippanna, Arunachalam Ramanathan, Dharneedar Ravichandran, Kenan Song
Keywords(s):  
Category(s): Physical Science, Environmental, Manufacturing/Construction/Mechanical, Environmental Remediation/Wastewater Treatment
Reprocessable Sorbents for Direct Air Capture of CO2
Background Negative emission technologies, including direct air capture (DAC), are a critical solution needed to reduce carbon emissions and lead to a net-zero scenario. DAC solutions are a viable solution that present many advantages, but generate increased demand for low-cost CO2 sorbents, due to greater amounts of material needed to effectively...
Published: 10/10/2024   |   Inventor(s): Matthew Green, Brent Sumerlin, Megan Robertson, Kacie Niimoto
Keywords(s):  
Category(s): Physical Science, Environmental Remediation/Wastewater Treatment, Energy & Power, Applied Technologies, Advanced Materials/Nanotechnology
Two-Stage Metal Treatment Incorporating Basic Oxygen Furnace Slag and Microbiological Sulfate Reduction
A consistent environmental challenge presented at mining sites worldwide is the formation of mining-influenced water (MIW). Characterized by alterations in water chemistry due to mining or mineral processing, MIW streams are typically acidic and often contain elevated concentrations of heavy metals and metalloids, which may pose a threat to human health,...
Published: 6/17/2024   |   Inventor(s): Anca Delgado, Evelyn Miranda, Nasser Hamdan, Leonard Santisteban, Dennis Grubb
Keywords(s):  
Category(s): Environmental, Environmental Remediation/Wastewater Treatment, Life Science (All LS Techs), Manufacturing/Construction/Mechanical
Electro-Regeneration of PFAS-Laden and Spent Sorbents for Reuse as Sustainable Water Treatment
Background Adsorption is the main water treatment technology that is commercially used to remove per- and polyfluoroalkyl substances (PFAS) from water. These substances are in thousands of everyday products due to their high stability and chemical resistance, but are non-biodegradable and can pose risks to human health. Current adsorption techniques...
Published: 6/14/2024   |   Inventor(s): Sergi Garcia-Segura, Gamze Ersan, Francois Perreault, Mahmut Ersan
Keywords(s):  
Category(s): Physical Science, Environmental Remediation/Wastewater Treatment, Alternative Energy/Biofuels/Bioplastics/Algae
Atomic Hydrogen Provision by Cobalt Sites for Superior Ammonia Production
Background Ammonia (NH3) is a valuable compound for industrial, agricultural, and water treatment applications. The typical method for large-scale production of ammonia is the Haber-Bosch (HB) process, which uses hydrogen and nitrogen as reagents under high pressure and temperature. However, this process generates over 450 million tons of CO2 annually,...
Published: 5/8/2024   |   Inventor(s): Sergi Garcia-Segura, Gabriel Cerron Calle
Keywords(s):  
Category(s): Environmental Remediation/Wastewater Treatment, Alternative Energy/Biofuels/Bioplastics/Algae, Physical Science, Applied Technologies
Atmospheric Water Generation by a Hybridized Rotary Dessicant with Solar-Heated Evacuated Tubes
Background Water harvesting from ambient air to produce fresh water is an active area of research. Water moisture in the air is universally available, and the water extracted is essentially pure water. This makes this process ideal, particularly for communities with limited freshwater supplies. Atmospheric Water Generation (AWG) technology can produce...
Published: 5/10/2024   |   Inventor(s): Paul Westerhoff, Shahnawaz Sinha, Chao Zeng
Keywords(s):  
Category(s): Energy & Power, Physical Science, Advanced Materials/Nanotechnology, Applied Technologies, Environmental Remediation/Wastewater Treatment
Enhancing Strength of EICP-Treated Sand Using a Protein-Based Additive
Background Effective ground improvement methods are essential for optimal utilization of land, whether they be roads, embankments, dunes, or slopes. Conventional methods using compaction, pile insertion, and cement-soil mixing provide adequate stability but have several major drawbacks. They are often expensive, time-consuming, require specialized...
Published: 4/10/2024   |   Inventor(s): Edward Kavazanjian, Nasser Hamdan, Hamed Khodadadi Tirkolaei, Abdullah Almajed
Keywords(s): Bio-Technology, Engineering, Materials and Electronics
Category(s): Physical Science, Manufacturing/Construction/Mechanical, Environmental Remediation/Wastewater Treatment, Environmental
High-Efficiency Photocatalytic H2O2 Production
Background Hydrogen peroxide (H2O2) is widely used for industrial synthesis of organic chemicals, advanced oxidation of drinking or wastewater, and surface disinfection of pathogens. Currently, ~95% of H2O2 production employs the energy- and chemical-intensive anthraquinone-oxidation process. Photocatalytic H2O2 production is an emerging alternative...
Published: 11/29/2023   |   Inventor(s): Yen-Jung Lai, Tzu-Heng WANG, Paul Westerhoff, Bruce Rittmann
Keywords(s):  
Category(s): Physical Science, Energy & Power, Environmental Remediation/Wastewater Treatment, Alternative Energy
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