| Gas (79) |  |
| Gasification (3) | |
| Inert gas (1) | |
| Methane (41) | |
| Gas (79) | |
| Gasification (3) | |
| Inert gas (1) | |
| Methane (41) | |
The resulting methane gas is processed then removing all carbon dioxide and impurities to make Renewable Natural gas (RNG).
Anheuser-busch Columbus brewery provides an organic by-product to quasar for conversion to methane gas. f you can buy renewable fuel at $1. 95 per gallon
The device uses a thumbnail-sized quantum cascade laser (QCL) as well as tuning forks that cost no more than a dime to detect very small amounts of nitrous oxide and methane.
and industrial processes are increasing the amount of nitrous oxide in the atmosphere. he warming impact of methane
For these reasons, methane and nitrous oxide detection is crucial to environmental considerations. QUARTZ TUNING FORK The small QCL has only become available in recent years,
and is far better able to detect trace amounts of gas than lasers used in the past.
When light at a specific wavelength is absorbed by the gas of interest localized heating of the molecules leads to a temperature
and pressure increase in the gas. f the incident light intensity is modulated, then the temperature and pressure will be as well,
That signal is proportional to the gas concentration. The unit can detect the presence of methane or nitrous oxide in just a second
he says. GETTING SMALLER To field test the device, the team installed it on a mobile laboratory used during NASA DISCOVER-AQ campaign, which analyzed pollution on the ground and from the air last September.
Tittel says. his was a milestone for trace-gas sensing, Ren says. ow wee trying to minimize the size of the whole system.
and reduce the dependence on gas, coal and oil.""We all get heat from sun. We feel it on our bodies
Membrane Gas Desorption (MGD), Low temperature separation (LT) and the High temperature membrane air separation (ITM. The main finding was that the LT technology was the most economic,
A first investigation deals with gasification of wood. The predicted results include both the pyrolysis process of individual particles and the tar concentration in the gas as a response to the interaction between hot air and wood particles.
These results enable the operation to be estimated for a particular reactor and allow access to details that could not have been gained through measurements alone.
As reported in the journal Water Research Gao ground wood chips that were heated then in nitrogen gas but not burned.
Organophosphates are found in everything from industrial pesticides to the sarin gas used in chemical warfare. They permanently bond to neurotransmitters in the brain,
which could prevent nerve damage in the event of a gas attack or pesticide exposure and would likely be developed first for military use,
As reported in the journal Water Research Gao ground wood chips that were heated then in nitrogen gas but not burned.
A metal bellows about the size of a cantaloupe is filled with a temperature-sensitive gas.
When the gas heats and cools in response to the outside air temperature it expands and contracts causing the bellows to do the same.
The hydrogen gas could power fuel cells in zero emissions vehicles. The battery sends an electric current through two electrodes that split liquid water into hydrogen and oxygen gas.
Unlike other water splitters that use precious-metal catalysts the electrodes in the Stanford device are made of inexpensive and abundant nickel
or iridium to achieve that voltage. n addition to producing hydrogen the new water splitter could be used to make chlorine gas and sodium hydroxide an important industrial chemical according to Dai.
A fuel cell combines stored hydrogen gas with oxygen from the air to produce electricity which powers the car.
and enable the economic production of gas resources with higher carbon dioxide content that would be too costly to recover using current carbon capture technologies says James Tour professor of mechanical engineering and nanoengineering and of computer science at Rice university.
and gas industry does not respond to concerns about carbon dioxide and other emissions it could well face new regulationstour says noting the White house issued its latest National Climate Assessment last month
but they had the unfortunate side effect of capturing the desired methane as well and they are far too expensive to make for this application.
Apache Corp a Houston-based oil and gas exploration and production company funded the research
The device uses a thumbnail-sized quantum cascade laser (QCL) as well as tuning forks that cost no more than a dime to detect very small amounts of nitrous oxide and methane.
and industrial processes are increasing the amount of nitrous oxide in the atmosphere. he warming impact of methane
For these reasons, methane and nitrous oxide detection is crucial to environmental considerations. QUARTZ TUNING FORK The small QCL has only become available in recent years,
and is far better able to detect trace amounts of gas than lasers used in the past.
When light at a specific wavelength is absorbed by the gas of interest localized heating of the molecules leads to a temperature
and pressure increase in the gas. f the incident light intensity is modulated, then the temperature and pressure will be as well,
That signal is proportional to the gas concentration. The unit can detect the presence of methane or nitrous oxide in just a second
he says. GETTING SMALLER To field test the device, the team installed it on a mobile laboratory used during NASA DISCOVER-AQ campaign, which analyzed pollution on the ground and from the air last September.
Tittel says. his was a milestone for trace-gas sensing, Ren says. ow wee trying to minimize the size of the whole system.
which to react methane and hydrogen. Nickel usually catalyses the formation of thick layers of graphite.
Once inside the abdominal cavity which has been filled with inert gas to make room for it to work the robot can remove an ailing appendix, cut pieces from a diseased colon or repair a perforated gastric ulcer.
#A new way to detect leaks in pipes Explosions caused by leaking gas pipes under city streets have made frequently headlines in recent years,
In addition to their potential for dangerous explosions, leaking gas pipes can be a significant contributor to global warming:
Methane, the primary constituent of natural gas, is a greenhouse gas 25 times more potent than carbon dioxide.
and should be effective in gas, water, and oil pipes. MIT mechanical engineering professor Kamal Youcef-Toumi, a co-author of the research papers,
while producing small amounts of burnable methane, have gained popularity in the last few decades but such systems only function under specific circumstances,
they also modified plants to detect the gas nitric oxide. Together these represent the first steps in launching a scientific field the researchers have dubbed lant nanobionics. lants are very attractive as a technology platform,
Lean green machines The researchers also showed that they could turn Arabidopsis thaliana plants into chemical sensors by delivering carbon nanotubes that detect the gas nitric oxide,
and exposed to sunlight produces hydrogen gas. The scientists say that the technique could allow their technology to be scaled up at low cost.
Scaling this research up in the future may mean that you could replace the gas in your cars and generators with hydrogen greener option,
we were able to demonstrate an energy-rich biologically-inspired alternative to gas.""This research,"Photoinduced Electron Transfer pathways in Hydrogen-Evolving Reduced graphene oxide-Boosted Hybrid Nano-Bio Catalyst,
652 F). Hydrogen gas was passed then through the chamber and the evaporated atoms from one of the materials were carried toward a cooler region of the tube
during the last step, bacteria produce primarily carbon dioxide and methane gas. The Biffa plant separates the methane from the carbon dioxide,
then uses the resulting biomethane just like natural gas mined from the ground to produce electricity.
The current prototype is quieter than a neighbor mowing the lawn with a gas-powered motor."
These findings could one day lead to super-dense low-power circuits as well as ultra-sensitive biosensors and gas sensors, the investigators added.
and ultra-sensitive and low-power biosensors and gas sensors to enhance the Internet of things. However, Banerjee cautions that TFETS are designed not for speed
software, and cloud system lets enterprises customize drones to check on gas pipelines, survey farm land, inspect cell towers, patrol property,
An alternative fuel could be liquefied natural gas such as super-cold liquid methane; when stored as a liquid it needs far less space than gas. f a market for small business jets existed,
which reacts with the inner platinum surface of the micromotors to generate a stream of oxygen gas bubbles that propel the micromotors around.
The reaction also yields excess hydrogen gas, which can be stored and harnessed as energy in a fuel cell.
Scientists have developed a simple process to treat waste coffee grounds to allow them to store methane Abstract:
Scientists have developed a simple process to treat waste coffee grounds to allow them to store methane.
Methane capture and storage provides a double environmental return-it removes a harmful greenhouse gas from the atmosphere that can then be used as a fuel that is cleaner than other fossil fuels.
if we can use this for methane storage?'"'"he continues. The absorbency of coffee grounds may be the key to successful activation of the material for carbon capture."
Activated carbon derived from waste coffee grounds for stable methane storagethe published version of the paper"Activated carbon derived from waste coffee grounds for stable methane storage"Nanotechnology 26 385602 (doi:
the researchers flowed methane through a tube furnace at 1, 000 degrees C over a copper foil that catalyzed its decomposition into carbon and hydrogen.
production of methane emissions and odors) make necessary to search for other waste management routes. It is highlighted the thermal treatment through pyrolysis for large scale production of biochar
in which the liquid partially floats on a layer of air or gas, and Wenzel, in which the droplets are in full contact with the surface,
Bacteria decompose the mixture and produce among others the energy-rich gas of methane. It is used then for the gas stoves in the kitchen of the hospital.
Via a pipeline system the gas is passed directly on to the gas stoves of the neighboring houses.
methane Rice university scientists have created a highly sensitive portable sensor to test the air for the most damaging greenhouse gases.
and laser pioneer Frank Tittel and his group uses a thumbnail-sized quantum cascade laser (QCL) as well as tuning forks that cost no more than a dime to detect very small amounts of nitrous oxide and methane.
and found it capable of detecting trace amounts of methane, 13 parts per billion by volume (ppbv),
"Methane and nitrous oxide are both significant greenhouse gases emitted from human activities, "Tittel said.""Methane is emitted by natural sources, such as wetlands,
and human activities, such as leakage from natural gas systems and the raising of livestock.""Human activities such as agriculture, fossil fuel combustion, wastewater management and industrial processes are increasing the amount of nitrous oxide in the atmosphere.
The warming impact of methane and nitrous oxide is more than 20 and 300 times, respectively, greater compared to the most prevalent greenhouse gas, carbon dioxide over a 100-year period.
For these reasons, methane and nitrous oxide detection is crucial to environmental considerations.""The small QCL has only become available in recent years,
and is far better able to detect trace amounts of gas than lasers used in the past.
When light at a specific wavelength is absorbed by the gas of interest, localized heating of the molecules leads to a temperature
and pressure increase in the gas.""If the incident light intensity is modulated, then the temperature and pressure will be said as well,
That signal is proportional to the gas concentration.""The unit can detect the presence of methane or nitrous oxide in as little as a second,
he said. To field test the device, the Rice team installed it on a mobile laboratory used during NASA's DISCOVER-AQ campaign, which analyzed pollution on the ground and from the air last September.
"This was a milestone for trace-gas sensing, "Ren said.""Now we're trying to minimize the size of the whole system."
The scientists can use gas-based samples rather than high concentrations in solution and the technique is much more detailed by looking at energies involved scientists can see many other things about the molecule,
and solar power in recent years is launching more than 20 demonstration projects that involve storing energy by splitting water into hydrogen gas and oxygen.
captures harmful gas and weaves transistors into shirts and dresses. otton is one of the most fascinating and misunderstood materials,
can be manipulated at the nano level to build nanoscale cages that are the exact same size as the gas they are trying to capture. e wanted to harness the power of these molecules to absorb gases
Current carbon capture technology uses caustic amine-based solvents to separate CO2 from the flue gas escaping a facility's smokestacks.
This innovative gas separation platform provides large surface areas while eliminating a number of operational issues including corrosion evaporative losses
NASA describes the drone as quieter than a neighbor using a gas-powered-motor lawn mower in the yard next door.
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015announcements Nanometric sensor designed to detect herbicides can help diagnose multiple sclerosis June 23rd, 2015sweeping lasers snap together nanoscale geometric grids:
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd,201 0
#Physicists fine-tune control of agile exotic materials: Tunable hybrid polaritons realized with graphene layer on hexagonal boron nitride Abstract:
to Detect Cyanogen Toxic Gas June 23rd, 2015imaging Robust new process forms 3-D shapes from flat sheets of graphene June 23rd, 2015sweeping lasers snap together nanoscale geometric grids:
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015materials/Metamaterials n-tech Research Issues Report on Smart Coatings Market
to Detect Cyanogen Toxic Gas June 23rd, 2015interviews/Book reviews/Essays/Reports/Podcasts/Journals/White papers n-tech Research Issues Report on Smart Coatings Market
2015iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd, 2015military Iranian Scientists Design Nano Device to Detect Cyanogen Toxic Gas June 23rd,
2015scientists Create Synthetic Membranes That Grow Like Living Cells June 22nd, 2015discovery paves way for new kinds of superconducting electronics June 22nd,
multi-layer graphene by varying the ambient pressure, ambient gas, temperature and time during the treatment.
a team of researchers led by Boston College chemist Dunwei Wang achieved'unassisted'water splitting using the abundant rust-like mineral and silicon to capture and store solar energy within hydrogen gas.
the central process behind using artificial photosynthesis to capture and store solar energy in hydrogen gas.
-but Wang estimates about a 10-percent increase in the average vehicle's gas mileage given 50-percent friction energy conversion efficiency."
where they create clothing that kills bacteria, conducts electricity, wards off malaria, captures harmful gas and weaves transistors into shirts and dresses.
Marcia Silva da Pinto, postdoctoral researcher, works on growing metal organic frameworks onto cotton samples to create a filtration system capable of capturing toxic gas,
can be manipulated at the nano level to build nanoscale cages that are the exact same size as the gas they are trying to capture.
multi-layer graphene by varying the ambient pressure, ambient gas, temperature and time during the treatment.
#Flexible methane production from electricity and biomass The variable operation modes were the biggest challenge during development says Project Head Siegfried Bajohr of the Engler-Bunte Institute (EBI) of KIT.
From the products of a biomass gasification plant i e. hydrogen carbon dioxide and carbon monoxide the Demosng pilot plant directly produces methane and water by means of a nickel catalyst (SNG operation.
As conventional methanation processes reach their limits at this point we have developed a new reactor concept Bajohr says.
Metallic honeycombs are used already as catalytic convertors of exhaust gas in cars. They are characterized by a high thermal conductivity and mechanical robustness with a low pressure loss during alternating operation modes.
There it will be integrated into the gas flows of a biomass gasification plant utilizing wooden residues.
and transporting it in our gas grids in the form of methane Thomas Kolb Head of the Engler-Bunte Institute of KIT emphasizes.
Frank Graf Section Head of the test laboratory of the German Technical and Scientific Association of Gas and Water (DVGW) at KIT adds:
Methanation has the advantage that the infrastructure existing for the distribution and storage of natural gas and the standard appliances can be used further without any modifications
Via an effective methanation wind and solar power can be fed into the natural gas grid without any limitations.
and stored in the form of methane. Thanks to the newly developed honeycomb catalyst also smaller and medium-sized plants can be operated efficiently y
Gas sensors or implantable chips for medical applications which can gather information about blood sugar levels
works on growing metal organic frameworks onto cotton samples to create a filtration system capable of capturing toxic gas,
captures harmful gas and weaves transistors into shirts and dresses. otton is one of the most fascinating and misunderstood materials,
can be manipulated at the nano level to build nanoscale cages that are the exact same size as the gas they are trying to capture. e wanted to harness the power of these molecules to absorb gases
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