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Showing posts from April, 2021

How to select a filter for your water with the help of MCDM techniques ?

Not all filters can remove all types of impurities. Some filters can remove some specific type of impurities from water. But more severe the impurities more costly will be the filters. As a result the overall cost of filters also gets increased. In addition to this, the maintenance requirement of the filters is another point of concern. If any filter is required to be maintained many times a year those type of filter is generally ignored.  But above all the Contaminant Removal Efficiency(CRE) is the most significant aspect of a filter which also encourages and enforces the procurement of filters with the highest CRE. But if it is costly then we generally prefer to purchase a cheaper one compromising the CRE.  Again this consideration can affect the quality of treated water and its use for drinking water. A simple impurity if not removed can cause a massive impact on the overall health.. What is the solution? Compare the filters with respect to the four main factors as given be...