Sentences with phrase «ethylene at»

It's still much too early to say when or even if these algae will produce ethylene at a commercial scale.

The novel method, which produces ethylene at room temperature and pressure using benign chemicals, could be scaled up to provide a more eco-friendly and sustainable alternative to the current method of ethylene production.

The CO2 utilisation group uses CO2, water and green electricity to generate a sustainable ethylene at room temperature.

The research suggests that filtering out acetylene using MOFs would produce ethylene at the high purity that industry demands while sidestepping the current need to convert acetylene to ethylene via a costly catalytic process.

Not exact matches

Food safety officials in Telangana conducted a surprise raid at Kothapet fruit market, Hyderabad unearthing the rampant use of ethylene powder, a toxic chemical imported from China, and other carcinogenic chemicals to artificially ripen mangoes.

There's a cathode and an anode; at the anode, water is split into protons and oxygen gas, and at the cathode, CO2 is electrochemically reduced to other value - added chemicals, such as carbon monoxide, methane, ethylene.

Ma works at Dow Chemical's ethylene - processing plant in Fort Saskatchewan, in northern Alberta.

At Exxon, for example, they detect leaking propylene, ethylene and isobutane.

The image at right depicts a cold jet of ethylene (a hydrocarbon similar to that found in automotive gasoline) combusting in hot air.

«We have shown that alumina, which is always present in zeolites, can easily transform methanol into ethylene and other hydrocarbons, which can then be converted into carbenium ions in the pores of the zeolite catalyst,» explains Christophe Copéret, Professor of Surface and Interface Chemistry at ETH Zurich and one of the authors of the study.

Randy Woodson, a plant physiologist at Purdue University, says it should be valuable for carnation growers because that flower is particularly susceptible to ethylene.

«We hope that this new catalyst could be a step toward a greener way to produce ethylene,» said Shouheng Sun, a professor of chemistry and engineering at Brown, whose research team developed the catalyst.

In the 1950s, chemists at DuPont found that when they added metals such as molybdenum to organic compounds such as ethylene and propene, it caused the reactants to change shape.

Molecular nitrogen (N2) dominates the atmosphere (at altitudes of less than 1800 kilometers or so), whereas methane (CH4), acetylene (C2H2), ethylene (C2H4), and ethane (C2H6) are abundant minor species and likely feed the production of an extensive haze that encompasses Pluto.

In Britain, ethylene glycol monoethyl ether is used in small amounts at Fujitsu's factory at Newton Aycliffe, County Durham.

Acetylene, a hydrocarbon that's often found in the gas feedstocks that are used at polyethylene plants, damages the catalysts that producers use to convert ethylene to polyethylene.

As a proof - of - concept for the new antenna - reactor catalysts, Swearer, Halas and colleagues conducted acetylene conversion tests at LANP and found that the light - driven antenna - reactor catalysts produced a 40 - to - 1 ratio of ethylene to ethane, a significant improvement in selectivity over thermal catalysis.

«I think it's a very clever idea,» says Dean Rosenthal, a molecular biologist at Georgetown University in Washington, D.C. Van der Schans and Rosenthal say they can also conceive of skin tests for other chemical agents, such as phosgene, or industrial pollutants such as ethylene oxide — anything that has a way of getting under the skin.

That's why at Swansea we have converted waste carbon dioxide into a molecule called ethylene.

Dr Andreoli said: «Currently, ethylene is produced at a very high temperature by steam from oils cracking.

«Reducing CO2 to a hydrocarbon end product like ethanol or ethylene can take up to 5 volts, start to finish,» said study lead author Gurudayal, postdoctoral fellow at Berkeley Lab.

In humans, ethylene was detected at least half an hour earlier than the increase of blood levels of inflammatory cytokines and stress - related hormones.

This new work, described in a study published in the journal Energy and Environmental Science, is the first to successfully demonstrate the approach of going from carbon dioxide directly to target products, namely ethanol and ethylene, at energy conversion efficiencies rivaling natural counterparts.

Packers then use a gas called ethylene to trigger fruit ripening, and after that the tomatoes are stored and shipped at low temperatures.

Researchers from several institutions, working at Sandia National Laboratories in Livermore, California, initially found the molecules — known as enols — in a flame that was produced by ethylene, the substance used to make the common plastic polyethylene.

At the time, the researchers were not able to produce ethylene reliably.

Philip Pienkos, principal manager of the Bioprocess R&D Group at NREL's National Bioenergy Center, said the project is beginning to focus more on the development side, even as Yu continues to work to achieve higher ethylene volumes.

Nickel - gallium thin films of various stoichiometries were found to reduce CO2 to methane, ethane, and ethylene, at overpotentials lower than the best polycrystalline catalyst, copper.

A team at Rice University has used nitrogen - doped graphene quantum dots to create ethylene and ethanol, with stability and efficiency close to that of electrocatalysts like copper.

Signals from other molecules can sometimes fall at nearby frequencies, in effect smudging the ethylene glycol fingerprint.

Tissue sections not used immediately in staining experiments are kept in anatomical order in separate numbered Eppendorf tubes and archived in a freezer storage solution consisting of glycerol, ethylene glycol, dH2O, and phosphate buffer (3:3:3:1 volume / volume) at -20 °C to preserve antigen availability for future experiments.

Avocados produce ethylene which facilitates the ripening process, and this is best done at room temperature but happen faster if you put the avocado in a paper bag to concentration the ethylene gas.

We have a series called «Cheeseburger Chemistry,» where we look at the chemistry behind different components of an average cheeseburger: the denaturing of proteins in the turning liquid milk into solid cheese; the role of ethylene in ripening tomatoes; the gas and sugar reactions in the bread dough used to make the bun.

Dogs and cats are attracted to the sweet taste of ethylene glycol which makes them at risk for toxicity.

Researchers at the Naval Air Warfare Center, China Lake have synthesized a new class of renewable diesel fuels from a methyl ketone and diols including 2,3 - butanediol, 1,2 - propanediol, and ethylene glycol.

To handwave less, one refers to a document (http://www.nature.com/nchembio/journal/v5/n5/full/nchembio.165.html) that discusses the plant hormone topic (CO2 is an ethylene inhibitor) and a contrary report (though paywalled) in its abstract touches on some of the questions hot in botany today and at least tangential to what I am suggesting be considered: http://onlinelibrary.wiley.com/doi/10.1111/j.1399-3054.2011.01444.x/full

This new work, described in a study published in the journal Energy and Environmental Science, is the first to successfully demonstrate the approach of going from carbon dioxide directly to target products, namely ethanol and ethylene, at energy conversion efficiencies rivaling natural counterparts.

Natural gas liquids (NGLs) ethane and propane get extracted and sent to a «cracking facility» where ethane is made into ethylene (the foundation of polyethylene - the most common plastic in the world, frequently used for packaging, bottles, and synthetic clothing), and at a dehydrogenation plant, propane is made into propylene (the foundation of polypropylene - a plastic commonly found in food packaging and vehicle manufacturing).

She designed, contracted and built pilot plant and laboratory installations; developed justification for a $ 6M factory retrofit; saved $ 11M annually with just $ 2M investment and developed and implemented optimization improvements at ethylene plants.