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Photocatalytic activity of Cu2O-Pd NPs for Carbon-Carbon (C-C) Coupling Reactions under Visible Light Illumination

BACKGROUND There is an increasing need for sourcing thermal energy and sustainable catalytic processes at low cost and with minimal carbon emissions, especially within the bulk and fine chemical industries. These sectors rely heavily on carbon-carbon (C-C) bond-forming reactions to synthesize valuable chemicals, pharmaceuticals, and materials. However,...

Published: 8/22/2025 | Inventor(s): Marimuthu (Mari) Andiappan, Ravi Teja Addanki Tirumala

Keywords(s):

Category(s): Technology Classifications > Biotech & Pharmaceutical, Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Chemistry, Technology Classifications > Environment & Energy

Method to sustain culture activity, gas uptake and improve selectivity for ethanol production during syngas or producer gas fermentation in bioreactors

BACKGROUND Global energy demand continues to rise while fossil fuel reserves decline, heightening the need for sustainable alternatives such as biofuels. Syngas- a mixture of carbon monoxide (CO), hydrogen (H2), and carbon dioxide (CO2)- can be biologically converted into valuable chemicals including alcohols through microbial fermentation. However,...

Published: 8/11/2025 | Inventor(s): Randy Lewis, John Phillips, Raymond Huhnke, Hasan Atiyeh

Keywords(s): Energy & Environment

Category(s): Technology Classifications > Chemistry, Technology Classifications > Environment & Energy, Technology Classifications > Engineering > Chemical Engr

Feedback control of gas supply for ethanol production via syngas fermentation

BACKGROUND Synthesis gas, syngas, fermentation uses carbon monoxide (CO) and hydrogen (H2) to produce valuable alcohols like ethanol, with companies such as INEOS Bio and LanzaTech piloting large-scale facilities. Achieving economic viability in this process requires stable, high-yield alcohol production over long periods, which depends on carefully...

Published: 8/11/2025 | Inventor(s): John Phillips, Raymond Huhnke, Hasan Atiyeh

Keywords(s): Energy & Environment

Category(s): Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Environment & Energy, Technology Classifications > Chemistry

Method to produce hydrogen from residual oil in-situ in depleted oil reservoirs used for geological carbon storage

BACKGROUND Hydrogen is a versatile resource that possesses clean energy potential. It can be used for applications such as electricity generation, petroleum refinement, and fertilizer production with no carbon dioxide emissions when used as fuel. Hydrogen fuel cell vehicles utilize hydrogen gas, potentially reducing air pollution in transportation....

Published: 6/13/2025 | Inventor(s): Javier Vilcaez Perez

Keywords(s):

Category(s): Technology Classifications > Environment & Energy, Technology Classifications > Geology, Technology Classifications > Engineering > Chemical Engr

Nitrate removal from water by means of carbon adsorbents derived from spent coffee grounds

BACKGROUND High levels of nitrate ions in drinking water can pose health risks to humans and livestock. These nitrates can infiltrate drinking water by means of agricultural activities and wastewater. Fertilizers used in agriculture can be carried away by rainwater into nearby lakes and rivers. Wastewater from failed septic systems can also find its...

Published: 4/7/2025 | Inventor(s): Hong Je Cho

Keywords(s):

Category(s): Technology Classifications > Agriculture & Food Science, Technology Classifications > Environment & Energy, Technology Classifications > Engineering > Chemical Engr

Software for Real-Time Monitoring and Fault Detection of Chemical Distillation Process

BACKGROUND In recent decades, the chemical, refining, petrochemical, pharmaceutical, and agrochemical process industries have actively adopted distributed control systems (DCSs) to digitally monitor and control their plant operations. These commercial DCSs can provide process monitoring, control, and limited alarm management capabilities. In particular,...

Published: 4/26/2023 | Inventor(s): Zheyu Jiang

Keywords(s): Biotech & Pharmaceutical, Chemistry, Engineering: Chemical, Petroleum, Engineering: Electrical & Computer, Sensors, Software

Category(s): Technology Classifications > Software, Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Engineering

Zeolite-Coated Mesh for Oil-Water Separation

BACKGROUND Daily water demand and the increasing amount of industrial oily water discharge have become a worldwide problem. The presence of oil in water not only influences the surroundings but also damages the self-cleaning circulation of the ecological system at the time of recycling produced water. In the past few decades, polymeric membranes have...

Published: 4/14/2025 | Inventor(s): David Lampert, Seokjhin Kim

Keywords(s): Engineering

Category(s): Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Environment & Energy

Mie-resonator Solar Thermal Absorbers

BACKGROUND Harnessing solar energy as a replacement for fossil fuels is an important avenue in addressing climate change. An exemplar issue facing the utility and scalability of this energy source is solar-to-heat conversion efficiency in photothermal layers. More specifically, both reflectance/transmission heat loss and convection/radiation heat transfer...

Published: 11/30/2022 | Inventor(s): Ali Kalkan, Marimuthu (Mari) Andiappan, Nishan Khatri, Ravi Teja Addanki Tirumala, Sundaram Ramakrishnan

Keywords(s):

Category(s): Technology Classifications > Environment & Energy, Technology Classifications > Chemistry, Technology Classifications > Engineering > Chemical Engr

A Method for Dissolved Gas Separation

BACKGROUND Liberation of gases from liquids is of primary importance to numerous natural and industrial processes such as boiling, cloud formation, volcanic eruption, food and beverage production, biological, mineral, nuclear, pharmaceutical, electrochemical, and petroleum production and refining. Natural gas evolution in saturated oil reservoirs and...

Published: 10/19/2022 | Inventor(s): Prem Bikkina

Keywords(s): Chemistry, Energy & Environment, Engineering, Engineering: Chemical, Petroleum

Category(s): Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Environment & Energy

Atomic Layer Deposition (ALD) Modified Membrane Systems for Desalination

BACKGROUND Only a few studies were reported on the ALD modified inorganic membranes for desalination. Alam et al. grew TiO2 ALD on polyethersulphone (PES) membrane. It was shown that the TiO2-film deposited PES membrane exhibited >90% NaCl rejection (4 times higher than uncoated membranes) in a pressurized desalination at feed pressure of 8 atm...

Published: 5/15/2023 | Inventor(s): Shailesh Dangwal, David McIlroy, Seokjhin Kim

Keywords(s):

Category(s): Technology Classifications > Engineering > Chemical Engr

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