Hydrology Newsletter

The water supplied to domestic households has many types of contaminants which have the potential to create health irregularities in the consumer family. Among these contaminants, eight most common impurities were identified, and the type of filter which can remove or reduce them was delineated in the figure. Before procuring a water filter remember to see this chart. It will help to understand the impurities that the selected water filter can remove. Any water filters available in the market are generally made of one or more of these filters. To decide wisely use the concepts of MCDM to select your filters. Compare the filters available in the market with respect to Cost, Contaminant Removal Efficiency, Maintenance requirement, and type of filters used and rate each filter based on these factors with the help of AHP or ANP techniques. The result will be the filter that will be most efficient for your use. You can also use the ODM tool to come to a decision regarding the procurement o...

HydroGeek Vol 1 Issue 1 Filters are used to purify or convert raw untreated water into drinkable or pure water which can be safely consumed by a human being. After purification, this water has to adhere to the standards proposed by a regulating authority responsible for the said purpose. Every country has its own standards. Generally, different types of filters are used to remove or neutralize five major types of impurities observed in water:  Total and faecal coliform, Biological Oxygen Demand, Hardness, Heavy Metals and Turbidity to achieve those standards. In addition to this, there are other impurities also but if a filter can reduce or neutralize the above five impurities then the filter is allowed to be used as a self-sustainable unit for producing drinking water. The first edition of HydroGeek tries to highlight the role of water filters in creating "sustainable and healthy human life", with the following content : Content 1) Six types of filters mostly  used in pu...

Invitation to Webinar on optimization in drinking water system.Organized by International Water Association. Click here to join the free webinar .