Colloid and Surface Science

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Entropy in the Brownian Motion (BM) and Coagulation Background

Received: Nov. 07, 2017    Accepted: Nov. 16, 2017    Published: Dec. 28, 2017
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Abstract

This review aims to highlight entropy in the Brownian motion (BM) and coagulation process background. In water treatment processes, pertinent questions relating to entropy, BM, and coagulation are often asked: Since entropy measures disorder of a system, does disorder manifest in polluted water with its stable colloids, microorganisms, molecules and ions? Are BM and molecular agitation favourable to separation processes? Since high salinity (as in seawater) decreases the disorder, would be increasing surface water salinity a convenient water treatment process? This review has found some links between entropy, BM, and coagulation such as: entropy is neither ‘disorder’ nor does it has anything to do with ‘mixed-up things’ like disorderly desks or shuffled cards. This review has also detailed the ordinary physical and chemical events whose spontaneity can be seen to be due to energy dispersing or spreading out. Coagulation/flocculation processes are employed to separate suspended solids from water whenever their natural subsidence rates are too slow to provide effective clarification. Adding salts to simply increase the ionic strength is almost never a practical option and other additives would be used; however, in seawater, where ionic strength is higher due to its proper dissolved salts, coagulation process is easier. Photovoltaically aided distillation process using large basins simulating sea open sky distillation process would be the greenest and healthiest water treatment technology.

DOI 10.11648/j.css.20170204.14
Published in Colloid and Surface Science ( Volume 2, Issue 4, December 2017 )
Page(s) 143-161
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Entropy, Thermodynamics, Brownian Motion (BM), Coagulation, Water Treatment, Enhanced Coagulation (EC), Rapid Mixing (RM)

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Cite This Article
  • APA Style

    Djamel Ghernaout. (2017). Entropy in the Brownian Motion (BM) and Coagulation Background. Colloid and Surface Science, 2(4), 143-161. https://doi.org/10.11648/j.css.20170204.14

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    ACS Style

    Djamel Ghernaout. Entropy in the Brownian Motion (BM) and Coagulation Background. Colloid Surf. Sci. 2017, 2(4), 143-161. doi: 10.11648/j.css.20170204.14

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    AMA Style

    Djamel Ghernaout. Entropy in the Brownian Motion (BM) and Coagulation Background. Colloid Surf Sci. 2017;2(4):143-161. doi: 10.11648/j.css.20170204.14

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  • @article{10.11648/j.css.20170204.14,
      author = {Djamel Ghernaout},
      title = {Entropy in the Brownian Motion (BM) and Coagulation Background},
      journal = {Colloid and Surface Science},
      volume = {2},
      number = {4},
      pages = {143-161},
      doi = {10.11648/j.css.20170204.14},
      url = {https://doi.org/10.11648/j.css.20170204.14},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.css.20170204.14},
      abstract = {This review aims to highlight entropy in the Brownian motion (BM) and coagulation process background. In water treatment processes, pertinent questions relating to entropy, BM, and coagulation are often asked: Since entropy measures disorder of a system, does disorder manifest in polluted water with its stable colloids, microorganisms, molecules and ions? Are BM and molecular agitation favourable to separation processes? Since high salinity (as in seawater) decreases the disorder, would be increasing surface water salinity a convenient water treatment process? This review has found some links between entropy, BM, and coagulation such as: entropy is neither ‘disorder’ nor does it has anything to do with ‘mixed-up things’ like disorderly desks or shuffled cards. This review has also detailed the ordinary physical and chemical events whose spontaneity can be seen to be due to energy dispersing or spreading out. Coagulation/flocculation processes are employed to separate suspended solids from water whenever their natural subsidence rates are too slow to provide effective clarification. Adding salts to simply increase the ionic strength is almost never a practical option and other additives would be used; however, in seawater, where ionic strength is higher due to its proper dissolved salts, coagulation process is easier. Photovoltaically aided distillation process using large basins simulating sea open sky distillation process would be the greenest and healthiest water treatment technology.},
     year = {2017}
    }
    

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  • TY  - JOUR
    T1  - Entropy in the Brownian Motion (BM) and Coagulation Background
    AU  - Djamel Ghernaout
    Y1  - 2017/12/28
    PY  - 2017
    N1  - https://doi.org/10.11648/j.css.20170204.14
    DO  - 10.11648/j.css.20170204.14
    T2  - Colloid and Surface Science
    JF  - Colloid and Surface Science
    JO  - Colloid and Surface Science
    SP  - 143
    EP  - 161
    PB  - Science Publishing Group
    SN  - 2578-9236
    UR  - https://doi.org/10.11648/j.css.20170204.14
    AB  - This review aims to highlight entropy in the Brownian motion (BM) and coagulation process background. In water treatment processes, pertinent questions relating to entropy, BM, and coagulation are often asked: Since entropy measures disorder of a system, does disorder manifest in polluted water with its stable colloids, microorganisms, molecules and ions? Are BM and molecular agitation favourable to separation processes? Since high salinity (as in seawater) decreases the disorder, would be increasing surface water salinity a convenient water treatment process? This review has found some links between entropy, BM, and coagulation such as: entropy is neither ‘disorder’ nor does it has anything to do with ‘mixed-up things’ like disorderly desks or shuffled cards. This review has also detailed the ordinary physical and chemical events whose spontaneity can be seen to be due to energy dispersing or spreading out. Coagulation/flocculation processes are employed to separate suspended solids from water whenever their natural subsidence rates are too slow to provide effective clarification. Adding salts to simply increase the ionic strength is almost never a practical option and other additives would be used; however, in seawater, where ionic strength is higher due to its proper dissolved salts, coagulation process is easier. Photovoltaically aided distillation process using large basins simulating sea open sky distillation process would be the greenest and healthiest water treatment technology.
    VL  - 2
    IS  - 4
    ER  - 

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Author Information
  • Chemical Engineering Department, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia; Binladin Research Chair on Quality and Productivity Improvement in the Construction Industry, College of Engineering, University of Ha’il, Ha’il, Saudi Arabia; Chemical Engineering Department, Faculty of Engineering, University of Blida, Blida, Algeria

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