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9 Cards in this Set
- Front
- Back
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Percolation means.. |
Water infiltrates (percolates) downwards through cracks and pores towards the water table where it becomes groundwater |
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Anion means.. |
A negatively charged ion |
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Backwash cycle means... |
1st phase. Removes dirt from the mineral tank by reversing the flow direction to loosen the bed/filter |
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Cation has a ... charge |
Positive charge |
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Flocculation means.. |
The development of floc (cloudy) after treatment with a coagulant by gentle stirring or mixing |
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An ion means.. |
An atom or group of atoms with a + or - charge |
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Manganese causes ___ staining |
Black stains |
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Manganese Greensand is used to.. |
Used in the oxidation (removal) of iron, manganese, hydrogen sulphide from the water |
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Micron means.. |
A rating of water filters |
