Download Green Chemistry: Fundamentals and Applications by Suresh C. Ameta, Rakshit Ameta PDF
By Suresh C. Ameta, Rakshit Ameta
This ebook highlights the capability and scope of eco-friendly chemistry for fresh and sustainable improvement. overlaying the fundamentals, the e-book introduces readers to the necessity and the various purposes and merits and benefits of environmentally pleasant chemical perform and alertness in undefined. The ebook addresses such issues as ecologically secure items, catalysts and solvents, stipulations had to produce such items, forms of chemical tactics which are conducive to eco-friendly chemistry, and masses extra.
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Extra info for Green Chemistry: Fundamentals and Applications
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Health and safety protection of workers involved and the environment is on top priority. Green chemistry is just proposing change of direction from fossil-based feedstocks into biological raw materials. There are many problems in using these materials, but in the last few years, there are some encouraging new results for large scale production and use of alternative renewable materials. The terrestrial biomass is quite complex containing high molecular weight products like sugars, hydroxy and amino acids, lipids and biopolymers (cellulose, hemicellulose, chitin, starch, and lignin), and proteins.
Salt assisted organic acid catalyzed depolymerization of cellulose was carried out by Stein et al. (2010). Dicarboxylic acids combined with inorganic salts (NaCl or CaCl2) afford the depolymerization of crystalline cellulose under mild conditions in water. The mechanical force and layered catalysts can efficiently depolymerize cellulosic materials (up to 84% conversion) as observerd by Hick et al. (2010). The most effective mechanocatalyst was aluminosilicates based on the kaolinite structure. Catalytic upgrading of lactic acid to fuels and chemicals by dehydration and C–C coupling reactions was observed by Serrano-Ruiz and Dumesic (2009).
44. Knothe, G. (2011). Green Chemistry, 13, 3048–3065. 45. , Dhepe, P. , & Fukuoka, A. (2011). Green Chemistry, 13, 326-333. 46. Kollonitsch, V. (1970). Sucrose chemicals: A critical review of a quarter century of research by the Sugar Research Foundation. Washington, DC: International Sugar Research Foundation. 47. Lammens, T. , Franssen, M. C. , Scott, E. , & Sanders, J. P. M. (2010). Green Chemistry, 12, 1430–1436. 48. Leimkuhler, H. J. (Ed). (2010). Managing CO2 emissions in the chemical industry, West Sussex: Wiley-VCH.