Sentences with phrase «based catalyst»

, researchers at Leiden University in the Netherlands have discovered a copper - based catalyst that can literally pull carbon dioxide out of thin air.

Victor Lin, a professor of chemistry at Iowa State University and a program director for the U.S. Department of Energy's Ames Laboratory, has just invented a nanosphere - based catalyst that may help revolutionize the production of biodiesel.

The team examined these natural catalysts and produced a nickel - based catalyst that is easier to produce than hydrogenases.

«This nickel - based catalyst is really very fast,» said coauthor Morris Bullock of the Department of Energy's Pacific Northwest National Laboratory.

This issue also contains an article and 90 Seconds of Discovery video demonstrating how slowing down the nickel - based catalyst helps produce hydrogen.

Methods: The team at PNNL has been developing a nickel - based catalyst modeled on an enzyme from nature called a hydrogenase for several years.

Her poster focused on her findings on a molybdenum - based catalyst that may be a promising option for converting ammonia.

The researchers redesigned the periphery of a nickel - based catalyst, creating a proton pathway.

For the first time, a team led by researchers at Pacific Northwest National Laboratory saw the active sites on a well - known vanadium - based catalyst.

For example, matching the proton - donating abilityExternal link [sic] of a nickel - based catalyst to that of the surrounding liquid, much like matching your clothing choice with the event you're attending, eases protons» travels.

With the help of the nanotechnology - based catalyst which contains multiple reaction sites, the solution of carbon dioxide dissolved in water turned into ethanol with a yield of 63 percent.

Few catalysts are energy efficient, highly active, stable, and able to operate in water; however, a redesigned nickel - based catalyst quickly and efficiently turns protons and electrons into hydrogen.

Methods: The team began with a stable, efficient nickel - based catalyst.

Researchers at Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, have developed a highly efficient homogeneous Ru - based catalyst system for the production of methanol (CH3OH) from CO2 and H2 in an ethereal solvent (initial turnover frequency = 70 h − 1 at 145 °C).

The scientists took the well - characterized nickel - based catalyst for hydrogen production previously synthetized at PNNL and built a dozen different versions by adding either a single synthetic amino acid or a dipeptide, consisting of two molecules.

The reaction includes a carefully chosen titanium (Ti)- based catalyst, represented by the wheel and an additive molecule, pictured on the spool.

The next challenge of the research team is to make the titanium - based catalyst more efficient.

In April his group described an enhanced iron - based catalyst for fuel cells.

Scientists have developed an advanced nickel - based catalyst strengthened with tin and ceria, and used it to transform CO2 and CH4 into a synthesis gas that can be used to produce fuels and a range of valuable chemicals.

In a study published by the Applied Catalysis B: Environmental, scientists have described how they created an advanced nickel - based catalyst strengthened with tin and ceria, and used it to transform CO2 and CH4 into a synthesis gas that can be used to produce fuels and a range of valuable chemicals.

James A. Dumesic and his colleagues at the University of Wisconsin, Madison developed a platinum - based catalyst that breaks down glucose extracted from plant and animal matter into hydrogen gas, carbon dioxide and methane.

Potential improvements include finding an alternative to the expensive platinum - based catalyst and refining the process so that a wider - range of starting materials can be used.

The foam - based catalyst then sparked the next idea: a polyhedral reticular structure made of thin ceramic struts that requires only a low amount of precious metal for reaching high pollutant conversion.

One research group has found that an iron - based catalyst works just as well as the platinum catalysts used in fuel cells today.

The understanding they build will facilitate the design of more effective cerium - based catalysts for diverse applications.

This teamwork was essential to providing a deeper understanding of the interaction between molecular hydrogen and cerium oxide - based catalysts.

Richard Schrock, a chemist now at the Massachusetts Institute of Technology in Cambridge, and colleagues changed that picture in the early 1970s when they came up with a series of molybdenum -, tungsten -, and tantalum - based catalysts that were highly active and efficient.

«We discovered that phosphorus - based catalysts supported by silica and zeolites exhibit high selectivity for manufacturing chemicals like butadiene,» says Prof. Wei Fan of the University of Massachusetts Amherst.

The work, carried out at Ulsan National Institute of Science and Technology (UNIST) in South Korea, could be a step towards replacing conventional platinum (Pt)- based catalysts for energy conversion.

The heat also allows SOFC to run without the costly platinum - based catalysts that current polymer electrolyte membrane systems need.

Miller's lab has been able to tune the bond - forming functions in peptide - based catalysts, which are similar to nature's enzymes in that they are composed of amino acids, but are orders of magnitude simpler in terms of their molecular size.

As inexpensive alternatives, organic - based catalysts and carbonaceous catalysts were explored, but were ultimately found to be impractical.

In this work, researchers believe they have found a solution by developing a new synthesis route for intermediate materials of organic - based catalysts and carbonaceous catalysts.

While conventional carbonaceous catalysts have amorphous carbonaceous structures that cause a decline in catalytic activities, the new synthesis route enables the formation of carbonaceous catalysts with controlled chemical structures like organic - based catalysts (Fig. 1b).

Massachusetts Institute of Technology chemist Dan Nocera is developing cobalt - based catalysts that split water.)

The researchers studied the effectiveness of three metal - based catalysts — Palladium, Gold and Nickel.

Some of the most widely studied materials for direct hydrogen peroxide synthesis are palladium - based catalysts.

The material showed an oxygen reduction reaction of about 15 millivolts more in positive onset potential — the start of the reaction — and 70 percent larger current density than platinum - based catalysts.

While conventional carbonaceous catalysts have amorphous carbonaceous structures that cause a decline in catalytic activities (Fig. 1a), the new synthesis route enables the formation of carbonaceous catalysts with controlled chemical structures like organic - based catalysts (Fig. 1b).

«The research team has provided a new perspective in designing and improving non-precious metal - based catalysts for hydrogen production,» said Lin.

March 8, 2018 - Lawrence Livermore National Laboratory (LLNL) researchers have received $ 1 million from the Department of Energy to improve the energy efficiency of copper - based catalysts to convert carbon dioxide into methane and other valuable hydrocarbon products.

This is in contrast with what we do right now: PET plastics are mechanically broken down with metal - based catalysts and then mixed in with virgin PET at high temperatures (and so a lot of energy is used).

They need to purify the biodiesel by neutralizing the base catalyst by adding acid.

«Photofunctional Construct That Interfaces Molecular Cobalt - Based Catalysts for H2 Production to a Visible - Light - Absorbing Semiconductor.»

Not exact matches

As Aaron Wright, chair of the alliance's Legal Industry Working Group, told Coin Telegraph, «Lawyers are poised to serve as the catalysts for blockchain technology, and the Legal Working Group will serve as a neutral space to explore blockchain - based legal technology, develop standards for «smart» legal agreements, support emerging enterprise use cases, and tackle important policy issues raised by this new, impactful technology.»

Najarian sees the passage of the GOP tax package as a potential catalyst to drive the Alabama - based regional bank «into the high teens» by the calls» January expiration.

Forte also sees the fingerprint sensor as an important «catalyst» paving the way for other biometric - based software and tech products.

Mumbai - based seed investment platform Venture Catalysts (VCats) has launched a three - month - long incubation programme, Catalysts...

Based on the belief that there's no point investing into fast growth startups without a culture in which they could grow, we served as both fund and catalyst to stimulate a lot more risk taking from both entrepreneurs and investors.

Let's take a look at Marvell Technology Group's outlook and value based on the most recent financial data to see if there are any catalysts for a price change.