By Alain Tressaud (Eds.)
ISBN-10: 0444526722
ISBN-13: 9780444526724
Advances in Fluorine technological know-how is a brand new ebook sequence offering severe multidisciplinary overviews on components within which fluorine and fluoride compounds have a decisive influence. the person volumes of Advances in Fluorine technology are thematic, addressing comprehensively either the technological know-how and purposes on subject matters together with the surroundings, eco-friendly chemistry, drugs, overall healthiness & lifestyles Sciences, New applied sciences & fabrics technological know-how, power and the Earth Sciences.In the current quantity, the key-position of fluoro-products in agriculture is reviewed, considering the fact that a wide percent of agro-chemicals and insecticides comprise at the least one fluorine atom. even though, advancements within the use of fluorine-based items in agrochemicals can't be constructed with out considering a more secure setting, on either degrees of greener synthesis routes and a discount of the damaging influence on vegetation and organisms. inside of this scope, fluorine has a truly abnormal position, given that its excessive reactivity yields numerous merits, for example in by-passing a number of polluting multi-step reactions.Fluorine-based fabrics are reviewed as effective instruments for safeguarding our cultural background. additionally utilizing up to date innovations reminiscent of ion beam research, this aspect can assist relative relationship functions, starting from burial periods of archaeological bones and tooth to the decision of publicity a long time of meteorites at the Antarctic ice guard. * supplying an unique method of the complicated relationships among chemistry and the surroundings* Reviewing the key-position of fluoro-products in agriculture* Multidisciplinary contributions from chemists, geologists, biologists, environmentalists and staffs
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Additional resources for Fluorine and the Environment: Agrochemicals, Archaeology, Green Chemistry & Water
Example text
1. ‘‘Tea bag’’ POU system Fluoride-related health hazards are associated with the use of fluoride-contaminated water for drinking and cooking. This corresponds only to 2–4 L per capita per day. Fluoride removal in rural areas in LDCs, where centralized water treatment and distribution facilities are unavailable, should consequently be carried out at a household level and the system applied should be simple and affordable. In this regard, ‘‘tea bag’’ POU system becomes handy. Although this kind of system has not been specifically reported for water defluoridation, it has been tested for arsenic [37,107].
McNeill, M. Edwards, J. AWWA 91 (1999) 74. H. F. Porter, G. McKay, Chem. Eng. Sci. 59 (2004) 501. [7] C. P. van Reeuwijk, G. J. D. Schuiling, Sci. Total Env. 188 (1996) 225. 46 M. S. Onyango and H. Matsuda [8] M. Srimurali, A. Pragati, J. Karthikeyan, Environ. Poll. 99 (1998) 285. G. S. B. Rao, J. Colloid Interface Sci. 206 (1998) 94. [10] H. S. A. Dharmagunawardhane, Colloid Surf. A: Physicochem. Eng. Aspects 144 (1998) 267. L. Ramos, J. A. Sanchez-Castillo, Carbon 37 (1999) 609. M. J. Basu, Sep.
Thus, AER was determined at various adsober heights and initial concentrations. On the one hand, it was found that an increase in bed height resulted in a decrease in AER, while on the other, an increase in initial concentration resulted in a corresponding increase in AER (Table 10). The former suggests that within the range of heights used in this study, a longer bed is preferred, while from the latter, it can be concluded that lower concentrations lead to processing of more bed volumes. (b) The two-parameter model.
Fluorine and the Environment: Agrochemicals, Archaeology, Green Chemistry & Water by Alain Tressaud (Eds.)
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