Case study with DMI-65 water filtration media for the Environmental & Agricultural Testing Services.
Quantum Filtration Medium Pty Ltd was requested by a client to produce a different media size of DMI65 media, suitable to be used in the client’s water treatment system. This investigation examined if the new media size adequately removed iron and manganese from a test batch of water.
Quantum Filtration Medium Pty Ltd provided a small test filtration unit containing the new media, which was used to treat a quantity of water, containing a known amount of iron and manganese (the test water). Fifty litres (50 L) of test water was prepared with a known concentration of iron (0.5 mg/L) and manganese (2 mg/L). The pH of the test solution was adjusted to pH 7.6 using sodium hydroxide (caustic soda), prior to filtration.
The test water was poured into the top of the filtration unit and allowed to filter through the media, before collection into a bucket at the bottom of the unit (Figure 1). The test water was analysed after it had passed through the filter, to determine the iron and manganese content after filtration.
Samples of the test water were collected after it had passed through the filtration unit. The results of the iron and manganese analysis are shown in Table 1 and Figure 2. A comparison of the water pre-filtration and post filtration is provided in Figure 3.
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