National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
One of the easiest and efficient way of water conservation to solve drinking water scarcity is rooftop water harvesting. To evaluate the performance of the first flush with micromesh filter system, inflow and outflow of the rooftop water samples were analysed for pH, EC, TDS, SAL and TSS parameters. In general, the PH, electrical conductivity, and TDS of the roof water samples were within the drinking water standards and the first flush with micromesh filter system was found to reduce TDS values. In the case of TSS, mostly the impurities were organic in nature and concentration varied between 220 to 280 mg/l, a level much higher than WHO and BIS standards. The first flush with 3 micron mesh filter is removing 100 percentage of the organic TSS impurities. The filtration rate of this filter is about 0.37 lps at a hydraulic head of 1.5 meter and hence suites to rooftop rain water harvesting. First flush with filter system showed better cleaning efficiency when attached to the inlet side of the coarser micro mesh filters. It can be accomplished that first flush with 3 micron mesh filter system can function as a near fool proof mechanism for filtering rooftop rain water.
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