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- Benefits and Applications | Nano
The Interface Science Corporation successfully launched a new oil remediation and recovery application, which used the water repelling nanowires to clean up the oil spilled by the damaged oil platforms and refineries. One innovation of green nanotechnology that is currently under development are nanomachines modeled after a bacteria bioengineered to consume plastics, Ideonella sakaiensis.
These nano-machines are able to decompose plastics dozens of times faster than the bioengineered bacteria not only because of their increased surface area but also because of the fact that the energy released from decomposing the plastic is used to fuel the nano-machines. In addition to water treatment and environmental remediation, nanotechnology is currently improving air quality.
Nanoparticles can be engineered to catalyze, or hasten, the reaction to transform environmentally pernicious gases into harmless ones. For example, many industrial factories that produce large amounts harmful gases employ a type of nanofiber catalyst made of magnesium oxide Mg 2 O to purify dangerous organic substances in the smoke.
Although chemical catalysts already exist in the gaseous vapors from cars, nanotechnology has a greater chance of reacting with the harmful substances in the vapors. This greater probability comes from the fact that nanotechnology can interact with more particles because of its greater surface area.
Nanotechnology has been used to remediate air pollution including car exhaust pollution, and potentially greenhouse gases due to its high surface area.
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Based on research done by the Environmental Science Pollution Research International, nanotechnology can specifically help to treat carbon-based nanoparticles, greenhouse gases, and volatile organic compounds. There is also work being done to develop antibacterial nanoparticles, metal oxide nanoparticles, and amendment agents for phytoremediation processes. Nanotechnology can also give the possibility of preventing air pollution in the first place due to its extremely small scale.
International Congress on Nanotechnology 12222
Nanotechnology has been accepted as a tool for many industrial and domestic fields like gas monitoring systems, fire and toxic gas detectors, ventilation control, breath alcohol detectors and many more. Other sources state that nanotechnology has the potential to develop the pollutants sensing and detection methods that already exist. The ability to detect pollutants and sense unwanted materials will be heightened by the large surface area of nanomaterials and their high surface energy.
The World Health Organization declared in that air contamination caused around 7 million deaths in This new technology could be an essential asset to this epidemic. Nanoscale adsorbents being the main alleviator for many air pollution difficulties. Their structure permits a great interaction with organic compounds as well as increased selectivity and stability in maximum adsorption capacity.
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Other advantages include high electrical and thermal conductivities, high strength, high hardness. Carbon nanotubes specifically remove particles in many ways. One method is by passing them through the nanotubes where the molecules are oxidized; the molecules then are adsorbed on a nitrate species. Fullerene can be used to rid of carbon dioxide pollution due to its high adsorption capacity.
Graphene nanotubes have functional groups that adsorb gases. There are plenty of nanocatalysts that can be used for air pollution reduction and air quality. Catalytic industrial emission reduction, car exhaust reduction, and air purification are just some of the major thrusts that these nanomaterials are being utilized within. Certain applications are not widely spread, but other are more popular. Indoor air pollution is barely on the market yet, but it is being developed more efficiently due to complications with health effects. Car exhaust emission reduction is widely used in diesel fueled automobiles currently being one of the more popular applications.
Industrial emission reduction is also widely used. It is n integral method specifically at coal fired power plants as well as refineries. According to Macrothink Institute process control, ecosystem monitoring is becoming more sensitive and precise due to nanotechnology development and research. These methods are analyzed and reviewed using SEM imaging to ensure its usefulness and accuracy. Additionally, research is currently being conducted to find out if nanoparticles can be engineered to separate car exhaust from methane or carbon dioxide,  which has been known to damage the Earth's ozone layer.
In fact, John Zhu, a professor at the University of Queensland , is exploring the creation of a carbon nanotube CNT which can trap greenhouse gases hundreds of times more efficiently than current methods can. Perpetual exposure to heavy metal pollution and particulate matter will lead to health concerns such as lung cancer, heart conditions, and even motor neuron diseases.
However, humanity's ability to shield themselves from these health problems can be improved by accurate and swift nanocontact -sensors able to detect pollutants at the atomic level. These nanocontact sensors do not require much energy to detect metal ions or radioactive elements. Additionally, they can be made in automatic mode so that they can be readably used at any given moment. Additionally, these nanocontact sensors are energy and cost effective since they are composed with conventional microelectronic manufacturing equipment using electrochemical techniques.
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Although green nanotechnology poses many advantages over traditional methods, there is still much debate about the concerns brought about by nanotechnology. In fact, the field of eco- nanotoxicology was founded solely to study the effect of nanotechnology on earth and all of its organisms. At the moment, scientists are unsure of what will happen when nanoparticles seep into soil and water, but organizations, such as NanoImpactNet, have set out to study these effects.
From Wikipedia, the free encyclopedia. Part of a series of articles on the Impact of nanotechnology Health and safety Hazards Nanomedicine Nanotoxicology Carbon nanomaterials Environmental Green nanotechnology Energy applications Pollution Other topics Applications Industrial applications Societal impact Regulation Science portal Technology portal v t e.
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Benefits and Applications | Nano
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