Motorised Operated Reverse Osmosis System For Drinking Water Specially For Rural People
Author(s):
Santosh Patil, Pavan Kundagol
Keywords:
Tds,Filters,Membrane,Hand pump
Abstract
Water dissolves the minerals present in the strata of soil it filers through in the case of ground water and, in the case of surface water, the minerals present in the soil over which it flows (rivers/streams) or over which it stands (lakes, ponds, reservoirs).The dissolved minerals in water are commonly referred to as Total Dissolved Solids (TDS). The TDS content of any water is expressed in milligrams /litre (mg/l) or in parts per million (ppm). The minerals are basically compounds (salts) of Calcium(Ca), Magnesium(Mg) and Sodium(Na) What is commonly called as ‘hardness in water’ is due to the compounds/salts of Ca and Mg such as Calcium or Magnesium Chloride, Calcium or Magnesium Sulphate ( CaSo4, MgCl, etc).Some types of dissolved solids are specifically dangerous even in low quantities. This includes arsenic, fluorides and nitrates. There are particular standards for the acceptable amounts of these elements in water and in some cases like fluoride; there is some disagreement as to what constitutes safe levels. Leaving aside the specific harmful chemicals fluoride and arsenic, drinking water for human beings should contain some level of minerals (TDS), but these levels should not be excessive.
Article Details
Unique Paper ID: 143991

Publication Volume & Issue: Volume 3, Issue 5

Page(s): 19 - 21
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Volume 5 Issue 4

Last Date 25 September 2018


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