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Return to Home PageA.Advanced oxidation processes (AOPs) play a crucial role in degrading persistent pollutants, disinfecting water, and treating industrial effluents.B.C.Colloidal bonding using radicals involves using reactive species (radicals) to create chemical bonds between colloidal particles, leading to the formation of larger structures or materials. These radicals can be generated in various ways, including photochemically, through ion bombardment, or by introducing specific chemical precursors. The process allows for the creation of materials with unique properties and tailored structures.
Colloidal particles are tiny particles, ranging in size from 1 to 1000 nanometers (1 micrometer), that are dispersed in a continuous medium. They are larger than individual molecules but small enough to remain suspended and not settle out due to gravity. These particles can be solid, liquid, or gas and can be dispersed in a variety of media like gases, liquids, or solids. D.Dissolved carbon dioxide (CO2) in water lowers the pH, making the water more acidic. This happens because CO2 reacts with water to form carbonic acid (H2CO3), which then releases hydrogen ions (H+), increasing the acidity and lowering the pH. The more CO2 dissolved, the lower the pH. E.F.G.H. "cwt" "Per hundredweight" means for each unit of 100 pounds (or 112 pounds in the UK system), and it's a unit of measurement and pricing primarily used in North American agriculture and shipping. The abbreviation for hundredweight is CWT. For example, if beef is priced at "$250 per hundredweight," it means the price is $250 for every 100 pounds of beef Hydroxyl radicals (•OH) are highly reactive and short-lived molecules, considered the most potent oxidizing agents in various environments. They are crucial in atmospheric chemistry, playing a key role in the removal of pollutants and influencing air quality and climate. In natural waters, they participate in biogeochemical cycles and pollution removal. Hydroxyl radicals also have roles in biological systems, including plants, where they are involved in signalling and stress responses. I.J.K.L.M.N.Nitrification is a microbial process in the nitrogen cycle where ammonia (or ammonium) is converted to nitrite, and then to nitrate. This process is crucial for making nitrogen available to plants and is performed by specialized bacteria and archaea under aerobic conditions. O.Oxyanion, also known as an oxoanion, is a negatively charged polyatomic ion containing at least one oxygen atom bonded to another element, forming a central atom, and is the conjugate base of an oxyacid.P. Phytoremediation is a cost-effective, eco-friendly technique that uses plants to clean up contaminated soil, water, and air by absorbing, degrading, or immobilizing pollutants like heavy metals and organic chemicals. Key mechanisms include phytoextraction (removing contaminants and storing them in plant biomass), phytodegradation (breaking down contaminants within the plant), and phytostabilisation (immobilizing contaminants in the soil)Q.R.S.T.U.V.W.X.Y.Z.