Download Ciba Foundation Symposium 57 - Phosphorus in the Enviroment: PDF

Content:
Chapter 1 Phosphorus: A common advent (pages 1–4): R.J.P. Williams
Chapter 2 Phosphorus and Mankind's difficulties this present day (pages 5–21): John R. Van Wazer
Chapter three global assets of Phosphorus (pages 23–48): Johan W. Brinck
Chapter four a few financial and Technical elements Affecting Use of Phosphate uncooked fabrics (pages 49–73): Guerry H. McClellan and Travis P. Hignett
Chapter five smooth Mankind's effect at the average Cycles of Phosphorus (pages 75–94): E.J. Griffith
Chapter 6 Phosphorus Biochemistry (pages 95–116): R.J.P. Williams
Chapter 7 The natural Chemistry of Phosphate move (pages 117–137): Anthony J. Kirby
Chapter eight The organic value of Organophosphorus Compounds Containing a Carbon?Phosphorus Bond (pages 135–153): Thomas D. Inch
Chapter nine Metabolic elements and the usage of Phosphorus by way of crops (pages 155–174): B.C. Loughman
Chapter 10 Phosphorus Cycles of wooded area and Upland Grassland Ecosystems and a few results of Land administration Practices (pages 175–199): A.F. Harrison
Chapter eleven Phosphorus and the Eutrophication of Lakes—A own View (pages 201–228): C.S. Reynolds
Chapter 12 The Dissipation of Phosphorus in Sewage and Sewage Effluents (pages 229–242): R.W. Collingwood
Chapter thirteen stability Sheet for Phosphorus within the united kingdom (pages 243–251): J.C. Bowman
Chapter 14 using Phosphate in Detergents and attainable Replacements for Phosphate (pages 253–268): P.A. Gilbert and A.L. De Jong
Chapter 15 the reason for a Ban on Detergent Phosphate within the nice Lakes Basin (pages 269–284): Gerorger R. Alexander
Chapter sixteen Can the provision of Phosphorus be serious for Mankind? (pages 285–307): R.J.P. Williams

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Extra resources for Ciba Foundation Symposium 57 - Phosphorus in the Enviroment: Its Chemistry and Biochemistry

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N . & BEZRUKOV, P. L. (1976) Phosphorites on the ocean floor, in Abstracts, vol. 2 (25th Internarional Geological Congress), pp. 339-340, Canberra BLAKEY, A. F. ( 1973) The Florida Phosphate Industry, Harvard University Press, Cambridge, Massachusetts BLONDEL, F. & LASKY,S. G. (1956) Mineral reserves and mineral resources. Economic Geology 51, 686-697 BRINCK, J. W. (1971) MIMIC. Eurospectra 10,46-56 BRINCK,J. W. (19764 Critical parameters for the production, depletion and substitution of mineral resources.

Such beds may form the source for secondary concentrations. Secondary concentrations and enrichment The phosphate deposits of Florida (USA) are an example of secondary concentration from phosphatic limestone. Landpebble phosphate occurs in the Pliocene Bone Valley formation over a roughly circular area of 6400 km2. The ore (or matrix) is a gravel consisting of 1&50% phosphate pebbles in a matrix of sand, clay and soft phosphate, along with fossil teeth and bones of land and marine animals. The pebbles are derived from the disintegrating and sorting effect of ocean waves on underlying coastal phosphatic beds, mainly of the Miocene Hawthorne formation, and the subsequent submarine reworking of the phosphate-rich residuum.

As an economic geologist and wanting to be on the safe side in my estimates, the major requirement for an ample and continuous supply of WORLD RESOURCES OF PHOSPHORUS 43 phosphorus appears to me to be that humanity continues to think about these problems and to use its ingenuity to solve them. References BATEMAN, A. M. , John Wiley, New York BArURIN, G. N . & BEZRUKOV, P. L. (1976) Phosphorites on the ocean floor, in Abstracts, vol. 2 (25th Internarional Geological Congress), pp. 339-340, Canberra BLAKEY, A.

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