3 Sentences With "sand column"

How to use sand column in a sentence? Find typical usage patterns (collocations)/phrases/context for "sand column" and check conjugation/comparative form for "sand column". Mastering all the usages of "sand column" from sentence examples published by news publications.

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Below the sand column, a layer of gravel prevents sand from entering the drainage layer and clogging the outlet tube. Below the separating layer is the drainage layer consisting of coarser gravel that prevents clogging near the base of the outlet tube.
Basic Diagram of a Concrete BioSand Filter Biosand filters are typically constructed from concrete or plastic. At the top of the filter, a tightly fitted lid prevents contamination and unwanted pests from entering the filter. Below this, the diffuser plate prevents disturbance of the biofilm when water is poured into the filter. Water then travels through the sand column, which removes pathogens and suspended solids.
Biosand filters implemented in Socorro, Guatemala by Engineers Without Borders from the University of Illinois: Urbana-Champaign A biosand filter (BSF) is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm. BSFs have been shown to remove heavy metals, turbidity, bacteria, viruses and protozoa.Elliott, M., Stauber, C., Koksal, F., DiGiano, F., and M. Sobsey (2008).