Phenomena that were not included in filtration modelling
DOI:
https://doi.org/10.36119/15.2023.12.19Keywords:
filtration, coagulation sludge, bed thickening, suffusionAbstract
The method of carrying out and the results of experiments are described, showing a significant impact on depth filtration of phenomena such as the thickening of the filter bed over time and the compressibility of post-coagulation sediments, as well as, probably at the end of filtration, sediment suffusion of a different character than was expected before. These phenomena are co-responsible, together with others, for the lack of success in using methods of mathematical modelling of the filtration process.
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References
Amburgey J.E., Armitharajah A.: Strategic filter backwashing techniques and resulting particle passage, Journal of Environmental Engineering, ASCE, 2005, 4, 535-547
Amburgey J.E., Brouckaert B.M.: Practical and theoretical guidelines for implementing the extended terminal subfluidization wash (ETSW) back – washing procedure, AQUA, 2005, 54, 5, 319-337.
Amburgey J.E.: Optimization of the extended terminal sub fluidization wash (ETSW) filter baekwashing procedure, Water Research,2005, vol. 39, Issue 2-3, January-February, pp. 314-330.
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