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Search Term: clean technology

Technologies


Copper-based photovoltaic nanocrystals for thin-film solar cells
BackgroundImproving efficiency while reducing cost is of paramount importance when it comes to solar cell research. Thin-film solar cells, at the cutting edge of solar cell technology, represent an exciting realm of photovoltaics which promises to do just this. Typically, thin-film solar cells are comprised of a combination of copper, indium, galli...
Stimuli-responsive polyglyoxylates as biodegradable polymers
Market for Biodegradable PolymersMost synthetic polymers are produced from petrochemicals and are not biodegradable. Conventional polymers such as polypropylene and polyethylene persist in the environment for many years, even after their disposal. The potential of biodegradable polymers to overcome such limitations has long been recognized. Under p...
Rice Straw Agri-Silica
Background:Rice is one of the most prevalent food crops in the world. In 2005, the International Rice Research Institute estimated global production at 618 million tonnes. Each tonne of rice produces an equal amount of straw and 200 kg of husk as bi-products. In many countries, the rice straw bi-product is burned in open fields, generating smoke an...
Biological Nutrient Removal by Modified MBR System
Background:In response to increasingly stringent effluent nutrient criteria resulting from deteriorating surface water quality, biological nutrient removal (BNR) processes have become increasingly popular. In BNR processes, nitrogen and phosphorus can be removed simultaneously. These BNR processes employ a combination of anaerobic, anoxic and aerob...
Polymer Nanocomposites via a One-Step Synthesis Method
Our inventors have created some unique polymer nanocomposites which can be formed in one step! Specifically, they have synthesized polyethylene matrices containing silica or titania particles, using supercritical CO2 and acetic acid as the condensation agent. This novel method provides the advantages of combining the nanocomposite synthesis and dry...
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