Comparative Study between Two Granular Materials and their Influence on the Effectiveness of Biological Filtration

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Abstract

In the interests of preserving our environment from all forms of pollution, we have undertaken a series of studies of purification of sewage based on the phenomenon of biological filtration. In this work, we have made a comparative study between two types of granular materials by filtration, the (artificial) crushed glass and sand dunes (natural). These two materials are using as filter media on columns to a height of 60 cm. The effectiveness of this model is essentially assessed through indicators parameters of organic pollution chemical oxygen demand (COD) and the biochemical oxygen demand (BOD5). The results obtained showed a removal of oxidizable organic matter at 93.24%, and biodegradable surroundings 98.93%. These results are very interesting and satisfactory at several levels including in terms of safeguarding our ecosystem of some pollutant nuisances and especially by the exploitation of natural resources or recycling of glass released into nature.

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Gherairi, F., Hamdi-Aissa, B., Touil, Y., Hadj-Mahammed, M., Messrouk, H., & Amrane, A. (2015). Comparative Study between Two Granular Materials and their Influence on the Effectiveness of Biological Filtration. In Energy Procedia (Vol. 74, pp. 799–806). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2015.07.815

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