Green Chemistry: The Replacement and Alternative Technique for Hazardous Organic Solvents.
Despite abundant precaution, solvents inevitably contaminate our air, land, and water because they are difficult to contain and recycle
Hazardous and toxic solvents used in chemical laboratories and the chemical industries are considered as vital issue for health and environmental pollution. These issues fuel the R&D towards the replacement of volatile organic solvents in solution phase synthesis. The Green Chemistry ensures the usage of green solvents by replacement of toxic solvents with greener alternatives as well as synthetic techniques, separation and purification which do not require the use of solvents. Green solvents possess various characteristics such as low toxicity, low miscibility, easily biodegradable under environmental conditions, high boiling point and easily recyclable. Organic solvents are essential as a liquid medium in any chemical reaction. Moreover, they are also important in chemical analytical methods as well as spectrometry and measurements of physicochemical properties. Major solvents such as benzene, toluene, chloroform, and organic solvents like DMSO, diethyl ether, acetone and more are of toxic nature creating harm to the environment.
Green solvents- alternative fluids in chemistry and application
Hence, green chemistry is all getting into the picture to promote the idea of greener solvents which are non-toxic and benign to environment. Some green solvents are derived from plants and they are renewable resource. For instance, vegetable oils can replace petroleum based organic solvents, with enhanced properties and more eco-friendly conditions as waste. Additionally, innovations are being made owing to the use of green solvents in polymerization methods, since the polymer and plastics industries are using vast amounts of solvents. So, with the growing world population and increasing living standards in developing countries, the demand for sustainable use of resources and for environmentally safe processes and products will become more crucial. This factor is all set to drive the market for green or bio solvents.
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