The Extension of Statistical Entropy Analysis to Chemical Compounds

Statistical entropy analysis (SEA) quantifies the dilution and concentration of conservative substances (e.g., heavy metals) in a system. In this paper, the SEA concept is extended (eSEA) to make it applicable to systems in which the chemical speciation is of particular importance. The eSEA is appli...

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Bibliographic Details
Published in:Entropy (Basel, Switzerland) Switzerland), 2012-12, Vol.14 (12), p.2413-2426
Main Authors: Sobańtka, Alicja, Zessner, Matthias, Rechberger, Helmut
Format: Article
Language:English
Subjects:
chemical compounds
concentrating power
crop farming
diluting extent
evaluation
nitrogen
statistical entropy
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Summary:Statistical entropy analysis (SEA) quantifies the dilution and concentration of conservative substances (e.g., heavy metals) in a system. In this paper, the SEA concept is extended (eSEA) to make it applicable to systems in which the chemical speciation is of particular importance. The eSEA is applied to a simplified region used for crop farming. The extent to which the region concentrates or dilutes nitrogen compounds is expressed as the change in statistical entropy (DH). A detailed derivation for the calculation of DH is provided. The results are discussed for four variations of the crop farming system, showing that the efficiency of crop farming can be expressed by eSEA.
ISSN:1099-4300
1099-4300
DOI:10.3390/e14122413